Exploring Material Properties and Changes

Which of the following is a property of metals?

• They are brittle.

• They are good conductors of electricity.

• They are transparent.

• They are non-magnetic.

What is the process called when a liquid turns into a gas?

• Freezing

• Condensation

• Evaporation

• Melting

Which of the following materials is best for making a window pane?

• Wood

• Glass

• Rubber

• Metal

What is the process of separating sand from water called?

• Filtration

• Evaporation

• Distillation

• Magnetism

Which of the following changes is irreversible?

• Melting ice

• Boiling water

• Burning wood

• Dissolving sugar in water

Which of the following materials is known for its flexibility?

• Glass

• Rubber

• Stone

• Metal

Which of the following is a reversible change?

• Baking a cake

• Rusting of iron

• Freezing water

• Burning a candle

What is the process of separating salt from water by heating called?

• Filtration

• Evaporation

• Sieving

• Magnetism

Which material is best known for its elasticity?

• Glass

• Rubber

• Wood

• Metal

What is the process called when a gas turns into a liquid?

• Freezing

• Condensation

• Evaporation

• Melting