Properties of Matter

Front

What state of matter has particles that slide past each other and take the shape of their container?

Back

Liquid

Front

What is the term for the process when a substance loses or gains energy to change from one state of matter to another?

Back

Phase change

Front

What is the volume of water if it is measured at 25 mL?

Back

25 mL

Front

Which motion best represents the movement of gas particles?

Back

Motion 1

Front

Why does oil float on top of water in an oil spill?

Back

Oil is less dense than water.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What happens to the particles in a solid when it is heated?

Back

The particles vibrate faster and may eventually break free from their fixed positions.

Front

What is the difference between an endothermic and exothermic process?

Back

An endothermic process absorbs energy, while an exothermic process releases energy.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit).

Front

What is the term for the change from a gas to a liquid?

Back

Condensation.