Properties of Everyday Materials

The change from a solid to a liquid, by heating...

• Melting

• Freezing

• Boiling

• Evaporation

Tick the changes which are REVERSIBLE.

• Burning

• Melting

• Cooking

• Freezing

Tick the changes that are IRREVERSIBLE.

• Lighting a match

• Boiling an egg

• Adding bicarbonate of soda to vinegar

• Melting wax

Allows heat or electricity to pass through easily...

• Insulator

• Conductor

Tick the materials that are good conductors.

• Wood

• Plastic

• Aluminium

• Silver

Which of these changes are PHYSICAL changes?

• Butter melting

• Toasting bread

• Frying an egg

• Water turning to steam

Which of these changes are CHEMICAL changes?

• Burning paper

• Melting chocolate

• Dissolving salt in water

• Baking a cake

The change to a gas on the SURFACE of a liquid, at any temperature.

• Condensation

• Boiling

• Evaporation

• Melting

If you are investigating which material is the best insulator, which variable will you change?

• The time taken to get warm

• The temperature

• The size of the object

• The material

Which properties make metal a suitable material for cooking pans?

• It is waterproof.

• It does not burn easily.

• It is shiny.

• It is a good conductor.