Study Guide on Atmosphere and Pressure

What does thermo- mean?

• heat

• pressure

• atmosphere

• air

What does -meter mean?

• source

• pressure

• particles

• measure

What is a thermometer?

• an instrument that measures blood pressure

• an instrument that measures temperature

• an instrument that measures weight

• an instrument that measures time

Thermal expansion occurs when a substance...

• gains attraction

• loses attraction

• gains thermal energy

• loses thermal energy

Thermal expansion causes an object or substance to...

• increase in attraction.

• decrease in attraction.

• increase in volume.

• decrease in volume.

With thermal expansion, heat causes the kinetic energy of the particles to _, so they move _.

• increase, more slowly

• decrease, more slowly

• increase, faster

• decrease, faster

With thermal expansion, the substance gets bigger (expands) because the particles are...

• closer together

• farther apart

• a new substance

• a new state of matter

The mixture of gases in Earth's atmosphere are...

(Check all that apply.)

• odorless

• not matter

• tasteless

• invisible

• massless

The 4 most common gases in Earth's atmosphere are...

(Check all that apply.)

• radon

• oxygen

• nitrogen

• argon

• carbon dioxide (CO₂)

Earth's _______ keeps air in the atmosphere.