SCIENCE (W)

CHAPTER-1 CROP ROP PRODUCTION PRODUCTION AND MANAGEMENTRead Moreâž”

Worksheet: Crop Production and Management

Name: ___________________________ Class: ________ Date: ________

Instructions:

  • Answer all the questions.
  • Write your answers in the spaces provided.
  • Check your answers before submitting.

Section A: Multiple Choice Questions (1 mark each)

  1. What is the first step in crop production?

    a) Harvesting
    b) Sowing
    c) Weeding
    d) Threshing

  2. Why is ploughing important in crop production?

    a) To remove weeds
    b) To loosen and turn the soil
    c) To water the plants
    d) To protect plants from pests

  3. Which of the following is a rabi crop?

    a) Rice
    b) Wheat
    c) Sugarcane
    d) Cotton

  4. What is the process of separating grains from chaff called?

    a) Sowing
    b) Threshing
    c) Harvesting
    d) Weeding

  5. Why is crop rotation important in agriculture?

    a) It prevents soil erosion
    b) It improves soil fertility
    c) It controls pests and diseases
    d) It conserves water

Section B: Short Answer Questions (2 marks each)

  1. Explain the importance of irrigation in crop production.

  2. Define organic farming. Name one benefit of practicing organic farming.

Section C: Long Answer Questions (5 marks each)

  1. Describe the steps involved in crop production. Provide a brief explanation of each step.

  2. Discuss the role of fertilizers in crop production. Mention different types of fertilizers and their benefits.

Please make sure to adjust the difficulty and content of the questions based on the level of your class and the specific learning objectives for this chapter.

CHAPTER-2 MICROORGANISMS MICROORGANISMS: FRIEND FRIEND AND FOERead Moreâž”

Class 8 Science Worksheet

Chapter: Microorganisms: Friend and Foe

Name: ______________________ Date: ______________

Instructions:

  1. Read the questions carefully.
  2. Answer in the space provided.
  3. Write neatly and legibly.

I. Multiple Choice Questions (1 mark each)

  1. Which of the following is a harmful microorganism? a) Lactobacillus b) E. coli c) Saccharomyces cerevisiae d) Rhizobium

  2. The microorganisms that convert milk into curd are: a) Bacteria b) Fungi c) Protozoa d) Viruses

  3. What is the term for the process in which atmospheric nitrogen is converted into a form that plants can use? a) Denitrification b) Nitrogen fixation c) Nitrification d) Ammonification

  4. Which microorganism causes diseases such as the common cold and influenza? a) Bacteria b) Fungi c) Protozoa d) Viruses

  5. Handwashing is an important hygiene practice to prevent the spread of: a) Bacteria b) Fungi c) Protozoa d) Viruses

II. True/False (1 mark each)

  1. _____ Microorganisms are too small to be seen with the naked eye.
  2. _____ Antibiotics are used to treat viral infections.
  3. _____ Nitrogen-fixing bacteria convert atmospheric nitrogen into a form that plants can use.
  4. _____ Penicillin is a type of fungus used to produce antibiotics.
  5. _____ Protozoa are beneficial microorganisms used in food production.

III. Short Answer Questions (2 marks each)

  1. Name two beneficial roles of microorganisms.

a) __________________________

b) __________________________

  1. Explain the importance of maintaining good hygiene practices in daily life.

IV. Application-based Questions (3 marks each)

  1. Your friend believes that all bacteria are harmful. Explain to them the importance of bacteria in our daily lives, providing at least three examples.
  1. Imagine you are a farmer. Explain why it is essential to understand the nitrogen cycle for successful farming.

V. Essay Question (5 marks)

  1. Write a short essay (150-200 words) on the topic: “Microorganisms: Friends and Foes.” Discuss the various roles of microorganisms in our lives, both positive and negative.

This is a sample worksheet based on the chapter “Microorganisms: Friend and Foe.” Feel free to modify it according to your specific curriculum and the needs of your students. Additionally, you may need to include a grading rubric or answer key for easy assessment.

Chapter 3: Coal and PetroleumRead Moreâž”

Worksheet: Coal and Petroleum

Name: _______________________

Class: 8 Date: ______________

Instructions: Answer the following questions based on your knowledge of the chapter.

1. Define the term ‘fossil fuel’.

2. What are the two main types of fossil fuels discussed in this chapter?

3. How is coal formed? Provide a brief explanation.

4. Explain the process of extraction of coal from mines.

5. What are the various uses of coal? List at least three.

6. Define the term ‘petroleum’.

7. How is petroleum formed in the Earth’s crust?

8. Describe the process of refining petroleum.

9. List three products obtained from the refining of petroleum.

10. Explain one environmental impact of the extraction and use of fossil fuels.

11. True or False: Fossil fuels are considered non-renewable sources of energy.

[ ] True [ ] False

Bonus Question:

12. Can you suggest one alternative source of energy that can help reduce our dependence on fossil fuels?

Remember to review your answers before submitting the worksheet. Good luck!

Please note that you might want to adjust the questions or format based on your specific teaching style and curriculum. Additionally, ensure that the difficulty level is appropriate for your Class 8 students.

Chapter 4: Combustion and FlameRead Moreâž”

Class 8 Science – Worksheet

Chapter 4: Combustion and Flame

Instructions:

  1. Fill in the blanks with the appropriate words.
  2. Circle the correct option.
  3. Answer the short questions.

Part A: Fill in the Blanks

  1. Combustion requires three essential components: ____, ____, and ____.

    a) Fire, Water, Air b) Fuel, Water, Oxygen c) Fuel, Air, Oxygen d) Fuel, Water, Carbon

  2. _____ is a type of combustion that happens suddenly and rapidly.

  3. The lowest temperature at which a substance catches fire is called _____.

  4. Name one common substance that can act as a fuel.

  5. A _____ is a mixture of unburnt carbon particles and ash that is carried away by the wind.

Part B: Multiple Choice

  1. Which of the following is NOT a condition necessary for combustion?

    a) Fuel b) Oxygen c) Water d) Ignition Temperature

  2. In a fire, the ____ is the hottest part.

    a) Flame b) Smoke c) Ash d) Fuel

  3. Which type of combustion is controlled by humans?

    a) Rapid Combustion b) Spontaneous Combustion c) Controlled Combustion d) None of the above

  4. Which of the following is an example of a slow combustion process?

    a) Burning of paper b) Rusting of iron c) Explosion of a firecracker d) Lighting a matchstick

Part C: Short Questions

  1. Explain the three essential components required for combustion.

  2. Why is ignition temperature important for combustion to occur?

  3. Give an example of controlled combustion and explain why it is important.

Please note that this worksheet is a general example and you may need to adapt it to your specific needs and curriculum requirements.

Chapter 5: Conservation of Plants and AnimalsRead Moreâž”

Worksheet: Conservation of Plants and Animals

Class: 8 Subject: Science Chapter: Conservation of Plants and Animals

Name: __________________________ Roll No: ______ Date: ______________

Section A: Multiple Choice Questions (1 mark each)

  1. What does conservation of plants and animals mean?

    a) Protecting only animals
    b) Protecting plants and animals from harm or extinction
    c) Growing more plants and animals

  2. Which of the following is an example of an endangered species?

    a) Mango tree
    b) Peacock
    c) Rose plant

  3. Why is it important to conserve biodiversity?

    a) It makes the environment look beautiful
    b) It helps maintain ecological balance and provides various resources
    c) It is not important at all

  4. What is a habitat?

    a) A place where animals are kept in captivity
    b) The natural environment where an organism lives
    c) A type of animal

Section B: Short Answer Questions (2 marks each)

  1. Explain one human activity that leads to the loss of biodiversity.

  2. Name one critically endangered animal and state one reason for its critically endangered status.

    Animal: _________________ Reason: ___________________________

Section C: Long Answer Questions (3 marks each)

  1. Describe three measures that can be taken to conserve plants and animals.

  2. Explain the role of national parks and wildlife sanctuaries in the conservation of plants and animals.

Section D: Application-based Questions (4 marks each)

  1. Imagine you are a wildlife conservationist. Write a short speech to create awareness about the importance of conserving endangered species.

  2. Conduct research on one successful conservation project and write a brief report about it. Include the name of the project, the species it focused on, and the results achieved.

Section E: True or False (1 mark each)

  1. _____ National parks and wildlife sanctuaries are established to conserve wildlife.

  2. _____ Pollution is not a threat to plants and animals.

Total Marks: 30

Note: This is a sample worksheet. You can modify it as per your specific requirements or add more questions as needed.

Remember to customize the worksheet based on the specific learning objectives and content covered in your class. Additionally, provide appropriate space for students to write their answers.

Chapter 6: Reproduction in AnimalsRead More➔

Worksheet: Reproduction in Animals

Name:______________________ Class:____________ Date:_____________

Instructions:

  1. Read each question carefully before attempting.
  2. Answer all the questions.
  3. Write your answers in the space provided.

Section A: Multiple Choice Questions (1 mark each)

  1. Which of the following is an example of asexual reproduction? a) Fertilization b) Budding c) Pollination d) Meiosis

  2. The process of fusion of male and female gametes is called: a) Fertilization b) Germination c) Photosynthesis d) Respiration

  3. In which type of reproduction are offspring genetically identical to the parent? a) Asexual reproduction b) Sexual reproduction c) Both asexual and sexual reproduction d) None of the above

  4. What is the function of the ovary in the female reproductive system? a) Produce eggs b) Produce sperm c) Store urine d) None of the above

Section B: Short Answer Questions (2 marks each)

  1. Explain the difference between sexual and asexual reproduction.

  2. Name two animals that reproduce through external fertilization and briefly explain the process.

Section C: Long Answer Questions (3 marks each)

  1. Describe the process of internal fertilization in mammals.

  2. Draw and label the reproductive organs of a flower.

Section D: Application Based Questions (5 marks each)

  1. Imagine you are a biologist studying a new species of fish. What characteristics would you look for to determine the mode of reproduction in this species? Explain your reasoning.

  2. A farmer is concerned about the low yield of his crop. How can a better understanding of plant reproduction help him improve the yield?

Section E: Practical Skills (10 marks)

  1. Observation: Observe the provided diagrams of various animal reproductive systems and label the parts.

(Provide diagrams of different animal reproductive systems)

Please note that you may need to include the actual diagrams and provide space for students to write their answers. Additionally, adjust the marks allocation according to your preference.

Chapter 7: Reaching the Age of AdolescenceRead More➔

Worksheet: Reaching the Age of Adolescence

Instructions:

  1. Read the questions carefully.
  2. Answer all the questions.
  3. Use a pencil to write your answers.
  4. Write neatly and legibly.

Name: ___________________ Class: ________ Date: ________

I. Multiple Choice Questions:

  1. What is adolescence? a) A type of fruit b) The stage between childhood and adulthood c) A type of insect d) A stage after old age

  2. Which of the following is a physical change during adolescence? a) Increased interest in books b) Growth of facial hair in boys c) Improved cooking skills d) Ability to solve complex math problems

  3. What is the primary reproductive organ in males? a) Ovary b) Testis c) Uterus d) Penis

  4. Which hormone is responsible for the development of secondary sexual characteristics in females? a) Testosterone b) Estrogen c) Insulin d) Thyroxine

II. True or False:

  1. Puberty is the process of physical and emotional changes that occur during adolescence. (True/False)

  2. The female reproductive system includes the ovaries, fallopian tubes, uterus, and vagina. (True/False)

  3. The menstrual cycle is the process by which the female body prepares for pregnancy each month. (True/False)

III. Label the Diagram:

Label the parts of the male reproductive system shown below.

[Diagram of Male Reproductive System]

IV. Short Answer Questions:

  1. List two physical changes that occur during adolescence.

  2. Explain the importance of good hygiene during adolescence.

  3. What is menstruation? Briefly describe the menstrual cycle.

V. Essay Question:

  1. Discuss the emotional changes that adolescents commonly experience. Provide examples and suggest ways to cope with these changes.

Remember to adjust the difficulty level and content based on the specific needs and abilities of your students. This worksheet covers a range of question types to assess different aspects of the chapter.

Chapter 8: Force and PressureRead More➔

Class 8 – Science

Chapter: Force and Pressure

Name:_____________________ Date:_____________________

Instructions:

  1. Answer all the questions.
  2. Read the questions carefully before answering.
  3. Write your answers in the spaces provided.

Section A: Multiple Choice Questions (1 mark each)

  1. What is the SI unit of force? a) Newton b) Joule c) Watt d) Meter

  2. When you press a book against a table with your hand, the force applied is an example of: a) Contact force b) Non-contact force c) Balanced force d) Gravitational force

  3. Which of the following has the greatest pressure? a) A person standing on one leg b) A person standing on both legs c) A person sitting on a chair d) A person lying on a bed

  4. The pressure exerted by a fluid depends on: a) The density of the fluid and the depth b) The temperature of the fluid c) The color of the fluid d) The volume of the fluid

  5. Which of the following is NOT a contact force? a) Frictional force b) Gravitational force c) Magnetic force d) Tension force

Section B: Short Answer Questions (2 marks each)

  1. Explain the difference between force and pressure.

  2. Give an example of a situation where a small force can produce a large pressure.

Section C: Long Answer Questions (3 marks each)

  1. Describe an experiment you can perform to demonstrate the relationship between force, pressure, and area.

  2. A car exerts a force of 5000 N on a road. If the area of contact between the tires and the road is 2 square meters, calculate the pressure exerted by the car.

  3. Explain why it is easier to walk on soft ground (like sand) compared to hard ground (like concrete).

Please note that this is a sample worksheet and you may want to adapt it according to the specific requirements or guidelines of your class or educational board.

Chapter 9: FrictionRead More➔

Class 8 Science Worksheet

Chapter 9: Friction

Instructions: Answer the following questions.

1. Define friction.

2. Identify the type of friction in each of the following situations: a. A car coming to a stop. b. A person walking on ice. c. Rolling a ball on the ground.

3. Explain the difference between static friction and sliding friction.

4. List three factors that affect the force of friction between two surfaces.

5. Match the following terms to their correct definitions: a. Lubricant b. Traction c. Air resistance i. Reduces friction between moving parts. ii. Force that opposes the motion of an object. iii. Friction between an object and a surface that allows it to grip.

6. Provide an example from daily life where friction is desirable and explain why.

7. Imagine you are designing a new pair of shoes. Explain how you would incorporate features to maximize friction and why.

8. True or False: Friction always opposes motion. Explain your answer.

9. Describe one method to reduce friction between two surfaces.

10. Application: Consider a scenario where a car is moving downhill. Explain how the driver can use friction to control the speed of the car.

11. Conclusion: Write a short paragraph summarizing the importance of friction in our daily lives.

Answers:

  1. Friction is the force that opposes the motion of objects in contact.

  2. a. Sliding friction; b. Sliding friction; c. Rolling friction.

  3. Static friction occurs when an object is at rest, and sliding friction occurs when the object is in motion.

  4. a. Nature of surfaces, b. Force pressing the surfaces together, c. Smoothness of surfaces.

  5. a. i, b. iii, c. ii.

  6. Example answer: Walking on a rough surface, where the friction between the shoes and the ground prevents slipping.

  7. Example answer: The shoes could have a patterned sole to increase grip on surfaces, and the material could be chosen for its appropriate level of friction.

  8. False. While friction often opposes motion, it can also be helpful in situations like walking, where it provides traction.

  9. Example answer: Using a lubricant like oil between two surfaces.

  10. Example answer: The driver can apply the brakes, which increases the friction between the brake pads and the wheels, slowing down the car.

  11. Example answer: Friction is crucial for our daily activities, from walking to driving. It helps us move safely and control the motion of objects.

Feel free to adjust or expand upon this worksheet based on your specific classroom needs.

Chapter 10: SoundRead Moreâž”

Worksheet: Chapter 10 – Sound

Name: ____________________________________ Class: 8 Roll No: _________

Section A: Multiple Choice Questions (1 mark each)

  1. What is sound? a) A form of light b) A form of energy that produces a sensation of hearing c) A type of heat energy

  2. Which of the following is a longitudinal wave? a) Radio wave b) Sound wave c) Light wave

  3. The distance between one point on a wave and the identical point on the next wave is known as: a) Frequency b) Wavelength c) Amplitude

  4. The number of vibrations per second is referred to as: a) Amplitude b) Frequency c) Pitch

  5. The quality of a sound that distinguishes it from other sounds of the same pitch and loudness is known as: a) Amplitude b) Quality c) Timbre

Section B: Fill in the blanks (1 mark each)

  1. Sound cannot travel through a ___________.

  2. The unit of frequency is ___________.

  3. The highness or lowness of a sound is called ___________.

  4. The loudness of a sound depends on its ___________.

  5. The part of the ear that amplifies sound is the ___________.

Section C: Short Answer Questions (2 marks each)

  1. Explain how sound is produced in a musical instrument.

  2. Differentiate between pitch and loudness of a sound.

Section D: Long Answer Questions (3 marks each)

  1. Describe the three characteristics of sound waves.

  2. Discuss the practical applications of sound waves in daily life.

Section E: Practical Based Questions (4 marks each)

  1. Experiment: Take a tuning fork and strike it against a rubber pad. Hold it near a water surface. Observe and explain what happens.

  2. Observation: You are sitting in a room with your eyes closed. List down all the sounds you can hear. Classify them based on their sources.

Note: Answer all questions. Write your answers in the space provided.

This worksheet is designed to assess various levels of understanding, from basic concepts to practical applications. Teachers may adjust the difficulty level based on the students’ prior knowledge and the depth of the curriculum coverage.

 Chapter 11: Chemical Effects of Electric CurrentRead More➔

Worksheet: Chemical Effects of Electric Current

Name: ___________________ Date: ___________________

I. Multiple Choice Questions (1 mark each)

  1. What is the process of depositing a layer of any desired metal on another material by means of electricity? a. Electromagnetism
    b. Electroplating
    c. Electrolysis
    d. Electric conduction

  2. Which of the following substances is commonly used as an electrolyte in the electroplating of copper? a. Copper sulfate solution
    b. Sodium chloride solution
    c. Water
    d. Ethanol

  3. What happens during the electrolysis of water? a. Formation of hydrogen and oxygen gases
    b. Formation of copper layer on an object
    c. Formation of rust on iron
    d. Formation of bubbles

  4. Which metal is commonly used for electroplating iron to prevent it from rusting? a. Gold
    b. Copper
    c. Zinc
    d. Silver

  5. What is the chemical effect observed when an electric current is passed through a solution of copper sulfate using copper electrodes? a. Electroplating
    b. Corrosion
    c. Electrolysis
    d. Electromagnetism

II. True/False Statements (1 mark each)

  1. Electroplating is the process of removing a layer of metal from an object. a. True
    b. False

  2. Corrosion of iron can be prevented by applying a layer of zinc. a. True
    b. False

  3. In electrolysis, the positive electrode is called the cathode. a. True
    b. False

  4. The chemical effect of electric current involves changes in the composition of substances. a. True
    b. False

  5. During the electrolysis of water, only hydrogen gas is produced. a. True
    b. False

III. Fill in the Blanks (1 mark each)

  1. Electrolysis involves the _______ of substances by an electric current.

  2. The process of depositing a layer of metal on another material by means of electricity is called _______.

  3. _______ is the deposition of a layer of zinc on iron to protect it from corrosion.

  4. During the electrolysis of water, _______ gas is produced at the cathode.

  5. The chemical equation for the formation of hydrogen gas during electrolysis is _______ + _______ → _______ + _______.

IV. Short Answer Questions (2 marks each)

  1. Explain the process of electroplating with an example.

  2. How does the electrolysis of water occur? Write the chemical equations for the reactions at the anode and cathode.

  3. Why is it necessary to apply a layer of zinc on iron to prevent corrosion?

  4. Describe one real-life application of the chemical effects of electric current.

  5. What safety precautions should be taken while performing experiments related to the chemical effects of electric current?

V. Application-Based Questions (3 marks each)

  1. Design an experiment to demonstrate the chemical effects of electric current using common household items. List the materials needed and the steps involved.

  2. Research and explain how the chemical effects of electric current are utilized in the electroplating industry.

  3. Discuss the environmental impact of certain chemical effects of electric current processes.

Note: Adjust the difficulty level and marks based on the specific requirements and guidelines provided by the CBSE or your school.

Chapter 12: Some Natural PhenomenaRead Moreâž”

Worksheet: Some Natural Phenomena

Class: 8th | Subject: Science | Chapter: Some Natural Phenomena

I. Multiple Choice Questions (1 mark each)

  1. What are natural phenomena?

    a. Man-made events

    b. Events caused by humans

    c. Events occurring in nature

    d. Events caused by animals

  2. What is the primary cause of lightning?

    a. Heating of the atmosphere

    b. Movement of clouds

    c. Build-up of electric charges

    d. Earth’s rotation

  3. During a thunderstorm, the sound of thunder is produced by:

    a. Rapid movement of air

    b. Lightning

    c. Rainfall

    d. Earthquakes

  4. What safety measure should be followed during a thunderstorm?

    a. Stand under a tall tree

    b. Use electrical appliances

    c. Stay indoors, away from windows

    d. Run in an open field

  5. Rubbing a balloon against wool causes it to become:

    a. Hot

    b. Cold

    c. Electrically charged

    d. Magnetic

II. Fill in the Blanks (1 mark each)

  1. _________ is a natural electrical discharge during a thunderstorm.

  2. The shaking of the Earth’s surface is known as _________.

  3. Lightning is a form of _________ energy.

  4. Objects that conduct electricity well are called _________.

  5. During a thunderstorm, it is safe to use electrical appliances because they are _________.

III. True/False (1 mark each)

  1. Lightning can occur during a thunderstorm. (True/False)

  2. Earthquakes are caused by the movement of tectonic plates. (True/False)

  3. It is safe to take shelter under a tall tree during a thunderstorm. (True/False)

  4. Rubber is a good conductor of electricity. (True/False)

  5. Earthquakes only occur on the surface of the Earth. (True/False)

IV. Short Answer Questions (2 marks each)

  1. Explain one safety measure to be followed during a thunderstorm.

  2. Describe a simple experiment to demonstrate the behavior of charged objects.

  3. Why is it dangerous to stand near tall objects during a thunderstorm?

  4. Define the term ‘earthquake.’

  5. List two safety precautions to be taken during an earthquake.

V. Long Answer Questions (3 marks each)

  1. Explain the formation of lightning during a thunderstorm, including the role of charged particles.

  2. Discuss the causes and effects of earthquakes. Include information about the Earth’s crust and tectonic plates.

  3. Conduct research and describe one recent natural phenomenon that has occurred globally. Include its impact on the environment and human life.

VI. Application-Based Questions (4 marks each)

  1. Design a safety poster illustrating the precautions to be taken during a thunderstorm.

  2. Create a model demonstrating the movement of tectonic plates and its relation to earthquakes.

Note: Total Marks – 50

Feel free to modify the worksheet according to the specific requirements of your classroom or curriculum.

Chapter 13: LightRead More➔

Worksheet: Light – Chapter 13

Name:_________________ Class: 8 Date: ______________

Section A: Multiple Choice Questions (1 mark each)

  1. What is the speed of light in a vacuum? a) 300,000 km/s b) 150,000 km/s c) 500,000 km/s d) 1,000,000 km/s

  2. When light waves travel from air into glass, what phenomenon occurs? a) Reflection b) Refraction c) Diffraction d) Dispersion

  3. Which of the following is an example of a transparent object? a) Wood b) Metal c) Glass d) Paper

  4. The bending of light as it passes from one medium to another is known as: a) Reflection b) Refraction c) Absorption d) Diffraction

  5. What is the angle of incidence if a ray of light is reflected at an angle of 30 degrees? a) 30 degrees b) 45 degrees c) 60 degrees d) 90 degrees

Section B: Short Answer Questions (2 marks each)

  1. Explain the term ‘refraction’ with the help of an example.

  2. Define the term ‘dispersion’ of light. Provide an example.

Section C: Application-based Questions (3 marks each)

  1. Scenario: A student observed that when he placed a pencil in a glass of water, the pencil appeared bent. Explain this phenomenon using the concept of light.

  2. Scenario: Imagine you are a photographer. Explain how understanding the principles of reflection and refraction of light is essential in your profession.

Section D: Long Answer Questions (5 marks each)

  1. Describe the process of dispersion of light. How does a prism help in observing the phenomenon of dispersion?

  2. Explain the formation of a rainbow. Include the role of raindrops and the principles of refraction and dispersion.

Section E: Practical-based Questions (4 marks each)

  1. Activity: Perform the activity of shining a flashlight on a mirror. Record your observations and explain the phenomenon of reflection.

  2. Activity: Take a glass of water and observe a small object through the side of the glass. Record your observations and explain the phenomenon observed.

Section F: Diagram-based Questions (4 marks each)

  1. Draw a labeled diagram to illustrate the process of refraction when light passes from air into water.

  2. Draw a diagram showing the formation of an image in a plane mirror. Label the incident ray, reflected ray, and the angle of incidence.

Note: Adapt the questions and marks according to the specific needs and requirements of your classroom and curriculum.

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