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- 1. Fill in the Blank
Do fish sleep during the day or at night？
- 2. Fill in the Blank
When it thunders, why do you see the lightning first, then hear the thunder?
- 3. Multiple Choice
Does a perm keep your hair curly forever
Yes
No
- 4. Fill in the Blank
Why do helicopters have to have small propellers at the back？
- 5. Fill in the Blank
The concept of gravity was discovered by which famous physicist？
- 6. Multiple Choice
How many colors are there in the rainbow？
5
6
7
8
- 7. Multiple Choice
Electrons are smaller than atoms
True
False
- 8. Fill in the Blank
What is the tallest grass on earth?
- 9. Fill in the Blank
What is the hardest natural substance on earth?
- 10. Multiple Choice
Does sound travel faster through air or water?
Air
Water
- 11. Fill in the Blank
What is the largest desert in the world?
- 12. Multiple Choice
Lasers work by focusing on sound waves?
True
False
- 13. Fill in the Blank
What does DNA stand for?
- 14. Fill in the Blank
What do you call a material that doesn't have a charge?
- 15. Multiple Choice
Which freezes faster, hot or cold?
Hot Water
Cold Water
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