Science Unit 1 Vocab Review

Front

What is the amount of mass in a certain volume?

Back

Density

Front

What happens when particles of a solid are combined with a liquid and break down so they can no longer be seen?

Back

They have dissolved.

Front

What is the point at which matter changes from a liquid to a gas?

Back

Boiling Point

Front

True or False: Physical properties of matter can be observed without changing what the object is made of.

Back

True

Front

What is unique about a gas compared to other states of matter?

Back

A gas changes volume depending on the container.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is a chemical property?

Back

A characteristic that can only be observed during a chemical reaction.

Front

What is the freezing point of water?

Back

0 degrees Celsius (32 degrees Fahrenheit).