Chemistry Semester Review Ch 1-4, and 10

Front

What happens to a material's DENSITY as it cools off in temperature?

Back

Density increases.

Front

As heat is added to a substance, what happens to the substance's particles?

Back

They speed up.

Front

Which of these shows SI unit prefixes arranged in order from SMALLEST TO LARGEST? (milli, centi, kilo)

Back

milli, centi, kilo.

Front

Term for liquid changing to gas?

Back

Evaporation.

Front

As you go up in elevation (think mountains), what happens to the air pressure?

Back

It gets lower.

Front

What is the definition of density?

Back

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

Front

What is the SI unit of mass?

Back

Kilogram (kg).

Front

What is the process called when a gas changes to a liquid?

Back

Condensation.

Front

What is the boiling point of water in degrees Celsius?

Back

100 degrees Celsius.

Front

What is the term for the amount of space an object occupies?

Back

Volume.