Year 7 Physics Summary

What is a conductor?

• An object that transfers heat poorly.

• An object that does not have the ability to transfer heat.

• An object that transfers heat well.

• An object that eliminates all types of energy transfer.

What is an insulator?

• An object that transfers heat poorly.

• An object that does not have the ability to transfer heat.

• An object that transfers heat well.

• An object that eliminates all types of energy transfer.

Which material would make the best thermal conductor?

• Brick

• Wood

• Paper

• Aluminum

Which material would make the best thermal insulator?

• Gold

• Steel

• Copper

• Wool

Why should oven mitts be made from materials which are good thermal insulators?

• Oven mitts made from good thermal insulators will be more comfortable

• Oven mitts made from good thermal insulators will keep the food hot

• Oven mitts made from good thermal insulators will protect hands from being burned

• Good thermal insulators will keep the oven hot

Which type of material makes the best conductors?

• solids

• liquids

• gases

• all of these

Solids have...

• a fixed shape and a fixed volume

• a fixed shape but can change volume

• No fixed shape but a fixed volume

• no fixed shape or volume

The piece of equipment used to measure the mass of a substance or object is a ______________.

• balance/scales

• measuring cylinder

• ruler

• thermometer

Which state of matter can be compressed easily?

• solid

• liquid

• gas

• all of them

Silver

Melting point 961^oC boiling point 2210^oC

What state of matter will it be at 959^oC?

• Solid

• Liquid

• Gas