REVIEWER on Forces, Magnets, Heat, Sound, and Light

Which of the following can be attracted by magnets?

• A. nickel coin

• B. copper wire

• C. gold bar

• D. aluminum pole

What happens to a liquid when heated?

• A. It remains the same.

• B. It increases in volume.

• C. It increases its water level

• D. It increases in temperature.

Which of the following define radiation?

• A. when heat is transferred through thermal energy

• B. when heat is transferred from objects that are touching

• C. when heat is transferred through circulation of liquid or gas

• D. when heat is transferred through waves of heat across a distance

How does light travel?

• A. Light travels in a zigzag line.

• B. Light travels in a curved line.

• C. Light travels in a straight line.

• D. Light travels in a diagonal line.

What do you call the process when heat is transmitted through liquids?

• A. radiation

• B. convection

• C. conduction

• D. circulation

What substance is attracted to a magnet?

• A. iron

• B. lead

• C. silver

• D. water

A toy car is pushed with great force. What happen with the toy?

• A. The toy car will move farther.

• B The toy car will move slowly

• C. The toy car will stop on moving

• D. Nothing will happen with the movement of the toy car.

What will happen to modelling clay when you mold it on your hand?

• A. it changed its size and shape.

• B. it changed in color and texture.

• C. It changed in height and weight.

• D. It changed in movement and direction.

Which pair of words is true?

• A. Flute: loudest sound

• B. Cricket: no sound

• C. Whisper: soft sound

• D. Ambulance's siren: soft sound

Which of the following terms refers to the end of a magnet?

• A. holes

• B. moles

• C. poles

• D. roles