To make things move, you need a −

• force.
• strong magnet.
• metal object.
• helper.

A force is a −

• push.
• pull.
• magnet.
• push or pull.

This girl has jumped up in the air. What force will cause her to come back to the ground?

• Gravity
• Magnetism
• Electricity
• Sound

Materials that allow energy to flow through them are called

• Insulators

• Semiconductors

• Conductors

• None of the above

the energy an object has due to its motion

• potential

• kinetic

Why do we see objects as white?

• They absorb all light
• They reflect all light
• They absorb some light and reflect some light

Heat transfer always goes from-

• Cold to Hot
• Hot to Cold
• Heat doesn't transfer
• Freezing to Cold

Radiation is heat transfer by-

• Touch
• Circles
• Waves

As you touch a hot stove the heat transfers -

• from your hand to the stove
• from the stove to your hand
• It doesn't transfer

Sound is caused by? 

• force
• vibrations
• instruments