Science Quiz for Grade 6

What is the process of changing a liquid into a solid called?

• Melting

• Freezing

• Evaporation

• Condensation

Conversion of water into gas?

• Melting

• Freezing

• Evaporation

• Condensation

What are the starting substances in a chemical reaction called?

• Products

• Reactants

• Catalysts

• Solvents.

Rusting of iron is an example of:

• A physical change

• A chemical change

• A nuclear change

• No change

What are substances formed in a chemical reaction called?

• Products

• Reactants

• Catalysts

• Solvents.

What is the process of changing a solid directly into a gas called?

• Melting

• Freezing

• Sublimation

• Condensation

A _______________ is a process that involves atoms to form new substances.

During a chemical change, reactants are transformed into ____________.

A ____________such as a change in color, the formation of a gas, or the release of heat or light.

wax drawn up by wick due to _________________ .