3rd Quarterly Test in Science_Part 1
1. What is the main source of light and heat energy on earth?
a. moon
b. sun
c. gravity
2. Which of the following energy is needed to dry the wet clothes?
a. sound energy
b. light energy
c. heat energy
3. Choose the pairs that provide both heat and light energy.
I. sun and fire
II. flashlight and candle
III. gas burner and bonfire
a. I, II
b. II, III
c. I, III
4. Choose the type of protections that we can use againts the intense heat of the sun.
I. Wear jacket and bring umbrella
II. Drink plent of water to avoid dehydration.
III. Do not stare directly at the sun.
a. I, II
b. II, III
c. I, III
5. Which of the below is an example of natural light and why?
a. firefly because it is not produced by man.
b. candle because it is created by man.
c. Electricity because the energy is from nature.
6. It was summer and your friends asked you to play outside. What do you think you should do to protected in the heart of the sun?
a. Apply sunblock and bring water to drink.
b. Bring a blanket to protect your skin.
c. Run and play outside because you miss your friends
7. _________is used by plants to make food.
a. sound
b. energy
c. sunlight
8. Sound is a form if energy.
a. true
b. false.
9. Which of the below produces sound by hitting or striking?
a. radio
b. piano
c. drums
10. "The teacher asked to give examples of sounds that are considered as noise." Choose who got the right answer.
Alex - the sound of the ambulance
Ben - the horns of the cars
Gabby - the choir singing in the church.
a. Alex
b. Alex and Ben
c. Gabby
11. How is sound produced?
a. through force
b. through the heat
c. when an object vibrates
12. How can we protect our ears from unpleasant sounds?
I. Cover your ears when there is loud music or sound.
II. Run where there is noise near you.
III. Avoid shouting.
a. I, II
b. II, III
c. I, III
13. Choose the picture that shows a pleasant sound.
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15. All the instruments below produced sound through blowing the mouthpiece EXCEPT____________.
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