Grade 7 Science: Properties of Light
This worksheet covers fundamental concepts of light, including its properties, reflection, refraction, and the electromagnetic spectrum, suitable for Grade 7 science students.
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Grade 7 Science: Properties of Light
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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 is the best description of light?
A form of sound energy.
A form of electromagnetic radiation that travels in waves.
A type of chemical reaction.
A force that pushes objects.
2. When light bounces off a surface, it is called:
Refraction
Absorption
Reflection
Diffraction
3. The bending of light as it passes from one medium to another is called .
4. White light is made up of all the colors of the spectrum.
5. Light travels faster than sound.
True
False
6. A prism separates white light into its component colors through a process called dispersion.
True
False
7. Look at the image below. Explain what phenomenon of light is being demonstrated and why it occurs.
8. Give two examples of how reflection is used in everyday life.
Use the words below to complete the sentences.
9. A material that allows all light to pass through it, so objects behind it can be clearly seen, is called .
10. A material that does not allow any light to pass through it is called .