Light and Optics Basics
Explore the fundamental concepts of light, reflection, refraction, and optical instruments with this Grade 7 science worksheet.
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Light and Optics Basics
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following best describes light?
A form of sound energy
A type of chemical reaction
A form of electromagnetic radiation
A magnetic field
2. What happens when light bounces off a smooth surface?
Refraction
Absorption
Reflection
Diffraction
3. The bending of light as it passes from one medium to another is called .
4. A material that allows light to pass through it completely is called .
5. Light travels fastest through a vacuum.
True
False
6. A convex lens spreads light rays apart.
True
False
7. Explain the difference between reflection and refraction.
8. Draw a simple diagram showing how light passes through a prism, separating into different colors.
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