Unit15: Matter & Materials

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Life

What is the smallest particle of matter?

• Atom

• Molecule

• Ion

• Electron

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

• Melting

• Freezing

• Condensation

• Evaporation

What is the process of a liquid changing to a gas called?

• Evaporation

• Condensation

• Melting

• Freezing

What is the process of a gas changing to a liquid called?

• Condensation

• Evaporation

• Melting

• Freezing

What is the process of a solid changing to a gas without going through the liquid state called?

• Sublimation

• Condensation

• Melting

• Freezing

What is the process of a gas changing to a solid without going through the liquid state called?

• Freezing

• Melting

• Condensation

• Deposition

Which of the following is a biodegradable substance?

• Plastic

• Glass

• Paper

• Nylon

Which of the following is a non-biodegradable substance?

• Wood

• Glass

• Paper

• Cotton

What is the ability of a substance to dissolve in another substance called?

• Conductivity

• Solubility

• Color

• Texture