Question
the letter of the correct answer.
hich shows that chemical energy is changed to mechanical energy?
tapping the drum
plucking the guitar
switching on the
a horse running after eating grass
ght bulb
hich energy transformation takes place when running?
mechanical energy to light
mechanical energy to sound energy
chemical energy to electrical energy
chemical energy to mechanical energy
ow does energy transform when tapping a drum?
electrical energy to light energy
chemical energy to heat energy
chemical energy to sound energy
mechanical energy to sound energy
hich is always produced when there is energy transformation?
heat
. light energy
chemical energy
. electrical energy
hat form of energy is transformed to electrical energy if the powerplant use
ind as its resource?
light energy
sound energy
chemical energy
mechanical energy
laria used her cell phone to call her mother. After a few minutes, she felt th
hone getting warm. Which diagram correctly shows the energy transforma
at took place?
chemical
chemical
light and sound
electrical and heat
chemical
light
>Sound
Answer
1. d (a horse running after eating grass)
2. d (chemical energy to mechanical energy)
3. c (chemical energy to sound energy)
4. a (heat)
5. d (mechanical energy)
6. b (chemical)
7. c (light and sound)