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Science (Light)

Author: salama eman
Description:
Keywords: , , , , , , online teaching

Content:
Quiz:

1. Light is one of the forms of #
A) Energy

2. The main source of energy on the surface of Earth is #
A) Sun,The sun

3. Light energy that can be seen is called#
A) Visible spectrum

4. Moon #the sun light that falls on the surface of moon.
A) reflects

5. Light travels in #lines.
A) straight

6. .......................................................................................................................................................................................................................................................

7. Choose the correct answer:

8.
A) pen.png

9. This figure represents:
A) refraction of light
B) reflection of light
C) separation of light
D) shadow

10.
A) shad.png

11. This figure represents:
A) refraction of light
B) reflection of light
C) separation of light
D) shadow

12.
A) ref.png

13. this figure represents:
A) refraction of light
B) reflection of light
C) separation of light
D) shadow

14.
A) images091J8PFT.jpg

15. this figure represents:
A) refraction of light
B) reflection of light
C) separation of light
D) shadow

16. It is very difficult to see in the dark
A) because there is no light refraction
B) because there is no light reflection
C) because light travels in straight
D) Answer_4_(optional)

17. The pencil appears broken when we put it in a glass of water
A) due to light refraction
B) due to light reflection
C) due to light separation
D) Answer_4_(optional)

18. ........................................................................................................................................................................................................................................................

19. True or false:

20. water is a translucent material.
A) TRUE
B) FALSE

21. wood is a opaque material.
A) TRUE
B) FALSE

22. tissue paper is a translucent material.
A) TRUE
B) FALSE

23. frosted glass is a transparent material
A) TRUE
B) FALSE

24. .......................................................................................................................................................................................................................................................

25. Choose the correct scientific term for each of the following:

26. reflection of light on a plane mirror surface.
A) regular reflection
B) light refraction
C) shadow
D) Answer_4_(optional)

27. changing the direction of light rays when they transfer from one transparent medium to another:
A) light refraction
B) separation of light
C) light reflection
D) Answer_4_(optional)

28. seven colors produced as a result of the separation of white light
A) visible spectrum
B) spectrum color
C) light separation
D) Answer_4_(optional)

29. The material does not allow light to transmit through and objects can not be seen through.
A) opaque material
B) transparnt material
C) translucent material
D) Answer_4_(optional)
.