Question 1

1.	Which energy transformation occurs in an electric iron?

Accepted Answer

Electrical to heat

Answer

A.	Heat to light

Answer

Light to heat

Answer

Heat to electrical

Question 2

Which of the following shows that chemical is changed to light and to sound?

Accepted Answer

Lighting a firecracker

Answer

Lighting a candle

Answer

Pushing a cart after drinking water

Answer

Heating water on a gas stove

Question 3

What energy transformation is occurring in a campfire?

Accepted Answer

Chemical to light and Thermal

Answer

Chemical to thermal

Answer

Thermal to light

Answer

Chemical to mechanical

Question 4

Which sequence of energy transformation takes place when you turn on an electric bulb?

Accepted Answer

Electrical----light-----heat

Answer

Light----heat------electrical

Answer

Heat------light------electrical

Answer

Electrical---heat---light

Question 5

What energy transformations take place when an electric drill is used?

Accepted Answer

Electrical+mechanical+ heat

Answer

Electrical+ sound+ heat

Answer

Electrical+ mechanical

Answer

Electrical + sound

Related quizzes