Physical and Chemical Changes Quiz

What are the three states of matter?

• round, square, and triangle

• solid, liquid, and plasma

• solid, liquid, and gas

• hot, cold, and warm

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

• Condensation

• Sublimation

• Melting

• Freezing

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

• evaporation

• solidification

• condensation

• sublimation

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

• Evaporation

• Sublimation

• Solidification

• Condensation

Give an example of a physical change.

• Rusting iron

• Boiling water

• Melting ice

• Burning wood

What happens to the chemical composition during a physical change?

• The chemical composition disappears.

• The chemical composition becomes unstable.

• The chemical composition changes completely.

• The chemical composition remains the same.

Give an example of a chemical change.

• Burning of wood

• Melting ice

• Mixing salt and water

• Cutting paper

What happens to the chemical composition during a chemical change?

• The chemical composition disappears

• The chemical composition changes

• The chemical composition remains the same

• The chemical composition becomes invisible

What are the signs that a chemical change has occurred?

• Change in volume

• Formation of a new substance, change in color, production of gas, release of heat or light, and irreversibility

• Change in density

• Change in texture

What is the difference between a physical and a chemical change?

• Physical change involves a change in size, while chemical change involves a change in temperature

• Physical change involves a change in state, while chemical change involves a change in texture

• Physical change involves a change in the form or appearance of a substance without changing its composition, while chemical change involves a change in the chemical composition of a substance.

• Physical change involves a change in color, while chemical change involves a change in shape