ashlyannandaya
Answered

Ang Imhr.ca ay narito upang tulungan kang makahanap ng mga sagot sa lahat ng iyong mga katanungan mula sa mga eksperto. Tuklasin ang isang kayamanan ng kaalaman mula sa mga propesyonal sa iba't ibang disiplina sa aming komprehensibong platform. Kumonekta sa isang komunidad ng mga eksperto na handang magbigay ng eksaktong solusyon sa iyong mga tanong nang mabilis at eksakto.

1. What enables us to produce sound?
a. electricity
b. friction
c. radiation
d. vibrating objects
2. How do people use sound?
a. communicate
b. dance
c. read
d. sleep
3. What energy does the stretched rubber band produce when you pluck it hard?
c. light energy
d. mechanical energy
a. chemical energy
b. sound energy
4. What form of energy is caused by the vibration in a medium?
d. sound energy
a. heat energy
b. mechanical energy
c. light energy
5. What energy makes things visible to us?
d. mechanical energy
a. light energy
b. chemical energy
c. Sound energy
6. What form of energy do ultraviolet rays, x-rays and other form of radiation have?
d. sound energy
a. chemical energy b. light energy
c. mechanical energy
7. Which of the following is not a use of light energy?
a. It is used in photosynthesis.
c. It is used in x-rays.
b. It makes things visible to us.
d. It is used to make things move.
8. What is also known as electromagnetic energy?
a. chemical energy
b. heat energy
c. light energy
9. What form of energy is produced when cooking using an electric stove?
a. kinetic energy b. mechanical energy
c. potential energy
d. sound energy
d. heat energy
10. Some household appliances like flat iron, rice cooker, bread toaster and oven have thermal
energy that is very useful to us.
a. true
b. false
c. uncertain
d. partly true
11. Two glasses full of water are compared. Glass A contains very hot water while glass B contains
water with ice cubes, which do you think has the higher thermal energy?
a. Glass A because it contains very hot water.
c. Both glasses A and B.
b. Glass B because it contains water with ice.
d. None of the two glasses​

Sagot :

brookchili

Answer:

1. D

2. A

3. D

4. A

5. A

6. B

7. D

8. B

9. D

10. A

11. C

Explanation:

Umaasa kaming naging kapaki-pakinabang ang aming mga sagot. Bumalik anumang oras para sa higit pang tumpak na mga sagot at napapanahong impormasyon. Salamat sa paggamit ng aming serbisyo. Lagi kaming narito upang magbigay ng tumpak at napapanahong mga sagot sa lahat ng iyong mga katanungan. Maraming salamat sa paggamit ng Imhr.ca. Balik-balikan kami para sa mga kasagutan sa inyong mga tanong.