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4th Grade Science Test 1
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4th Grade Science Test 1
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25 Questions

1. Water is made of hydrogen and ________.

2. The boiling point of water is ________.

3. Because air has weight, it exerts ________.

4.
Name the bird.

5. The ________ frequency that the human ear can hear is 20 times per second.

6. Name the part of the ear. #2

7. Sound waves travel (faster or slower) than light.

8. the singing bird that mimics other birds

9. Matter can exist in three states: solid, liquid, and ________.

10. Clouds are made of air and ________.

11. Name the part of the ear. #3

12. The process by which liquid water becomes water vapor is ________.

13. the bossy bird that plants oak trees

14. ________ are the only animals that have visible outer ear.

15. the tiny bird whose name reminds you of the sound its vibrating wings make

16. The freezing point of water is ________.

17. Sound waves travel fastest through ________ .

18. Speech is produced by the vibrations of the ________ .

19. the man who proved that sound waves travel only through matter

20. the inventor of the phonograph

21.
Name the bird.

22. When an object vibrates very rapidly, the sounds produced have a ________ pitch.

23. Sonar is used for ________.

24. the bird who uses his extra-long tongue to probe holes for insects

25. The ________ ear includes the hammer, anvil, and stirrup.