Choose the letter of the correct answer Write you answers on a
separate sheet of paper.
1. Jannah's sister screamed when her brother turned off the light of
her room. She hurriedly went to her sister's room and turned on
the light. What energy transformation occurred?
A heat to sound energy
C. solar to electrical enery
B mechanical to sound energy
D. sound to heat energy
2. The energy used by green plants to produce food is an example of
light energy being transformed to what other form of energy?
A chemical energy
C. heat energy
B. electrical energy
D. mechanical energy
3. Which type of energy transformation takes place during the
process of photosynthesis?
A chemical to light
C. heat to light
B heat to chemical
D. light to chemical
4. Light travels through empty space and is transported through
waves
A electromagnetic waves
C. magnetic waves
B. electron waves
D. ocean waves
5. How does solar panel work?
A It converts sun's heat into electricity
B. It converts sun's light into electricity
C. It converts fossil fuel into electricity
D. It converts light to chemical energy




1-10 po yan di ko lang po napagkasya​