Science Grade 4 Model Exam 1

1- Electric wires are made up of ……………… material

3 points

plastic

aluminum

iron

copper

Other:

Clear selection

2- When the car fuel completely runs out, then the car's …… becomes zero

3 points

Mass

volume

speed

density

Other:

Clear selection

3- The input energy when using the hair dryer is the ……… energy *

3 points

electrical

potential

kinetic

thermal

4- When a piece of coal is burnt, ………. energy is produced

3 points

Potential

kinetic

sound

thermal

Other:

Clear selection

5- Some energy is lost in most devices in the form of ………….. energy.

3 points

electric

thermal

sound

kinetic

Clear selection