1.If you were building a house in Alaska(where it can be daylight for a months!) what type of material would be best to cover your windows with that would help keep the sun out of your room so you can sleep? 

A.opaque

B.translucent

C.transparent

2. Carlo is fishing. He can clearly see the rocks in a bottom of a lake. Carlo can see the rocks because the water is?

A.Opaque

B.Translucent

C.Transparent

3. It is the light that our eyes can see 

A.microwave

B.radio

C.visible

D.infrared

4. The invisible light that is coming from the sun may cause skin cancer.

A.infrared

B.ultraviolet

C.x-ray

D.microwave

5. Why does blowing in a trumpet make sound.

A.the trumpet hits the air

B.the trumpet reflects the air

C.the trumpet causes the air to vibrate

D.the air in the trumpet is cooled

6. Sound can travel through matters. In which state of matter does sound travels the fastest? 

A.water

B.air

C.solid

D.gas

7. ______ is the highness or lowness of a sound.

A.volume

B.tension

C.pitch

8. The back and forth movement of a molecules that produces sound is called ____________. 

A.sound

B.air

C.volume

D.vibration

9.. This is the measure of how loud or soft a sound is. It is measured in units known as decibels. 

A.volume

B.sound

C.tension

D.pitch

10. Why is the school library covered with carpet? 

A.so everyone can make a lot of noise

B.because it looks good

C.to help absorb sounds to keep it quiet

D.to help absorb sounds so it can stay noisy

11. When Mr. Garcia yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this called? 

A.refraction

B.pitch

C.frequency

D.echo

12. Which of the following scenarios shows an increase in volume?

A.plucking a rubber band, tightening it, and then plucking the rubber band again

B.plucking different strings on guitar

C.Turning a radio up louder to hear your favorite song

D.singing a song that contains high and low note

13. Some sounds are unpleasant to the ears and causes unhealthy condition like irritability and stress. This is called ________. 

A.Noise

B.Frequency

C.Pressure

D.Nature sound


14. A student is playing a guitar. Some of the strings vibrate more quickly than other strings. What effect does this have on the sound? 

A.The faster vibrating strings make louder sounds

B.The faster vibrating strings make lower pitch sounds

C.The faster vibrating strings make softer sounds

D.The faster vibrating strings make higher pitch sounds

15. The following are harmful effects of unpleasing sound to people EXCEPT ___________.

A.Can help focus or concentrate

B.Feel more stress than usual

C.Unable to sleep well

D.Feel anxious and uneasy

16. Which of the following DOES NOT show beneficial effect of sound? 

A.The ambulance has siren to let people know there's an emergency

B.The children are shouting each other at the park.

C.Zoe is listening to the latest news update over the radio.

D.The doctor checks the fetus inside the womb using ultrasound.




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