grade 6 , con 5 , lesson 1

Any matter has thermal energy, because

• its molecules always move.

• its molecules don't move.

• It has fixed shape

• It has fixed volume

If heat transfers to a lower temperature object, its molecules will

• stop moving.

• move slower.

• move faster.

• not be affected.

Heat transfers from .......object to ........object.

• cooler - hotter

• hotter - cooler

• bigger - smaller

The handle of an electric iron is made of

• iron.

• thermal insulator material.

• metal.

• thermal conductor material.

All the following are properties of heat, except

• it is an essential component of life on Earth.

• it cannot be lost but it is only transferred.

• it flows from a cooler object to a hotter object.

• it flows from a hotter object to a cooler object.

If you stand on hot sand in barefeet, you will feel the hotness of the sand because...........

• heat transfers from your legs to sand.

• heat transfers from sand to your legs.

• your legs are hotter than sand.

• your legs and sand have the same temperature.

If you hold an ice cube in your hand, which of the following sentences is correct?.........

• Your hand temperature is lower than the ice temperature.

• The ice temperature is higher than your hand temperature.

• The ice and your hand have the same temperature.

• The molecules of ice will start to move faster.

When objects With the same temperature touch each other heat transfere takes place

• True

• False

The molecules of the hooter object moves slower than that of the cooler object

• True

• False

Thermal Conductors are good conductors of heat

• True

• False