PSSA REVIEW #4 - Earth Science

High pressure systems usually contain ______________ .

What provides the energy to drive the water cycle?

Clouds, fog, and dew occur when......

Ocean currents move the sun's heat through....

What causes the ocean's tides?

Why do we have leap years?

A _____________ is a ball of gas that gives off heat and light.

Weather usually occurs in the ...............

The amount of water on the earth changes.

Sun will expand into a ________________.

Our sun will eventually collapse into a ________________.

Pennsylvania is considered to have a ______________ climate.

What separates the inner and outer planets?

The sun is ______________ through its life cycle.

In order of amount, what gas do we breathe the most?

What is a topographical map?

Oceans temperatures can affect our climate.

How many layers are in the Earth's atmosphere?

Air pressure decreases at higher altitudes.

Why is a day on Jupiter only 10 Earth hours long?

Our galaxy contains _________________ of other stars.

Temperature, precipitation, wind and air pressure at a specific time describe the _________

Low pressure systems usually contain _____________ .

Water often changes states as it moves through the water cycle.

How much of the earth is covered by water?

In order of amount, what gas do we breathe the least?

Oceans can store large amounts of heat energy.

Shadows from the sun move from.......

What causes the seasons on Earth?

The atmosphere helps climate stay fairly steady by trapping ___________ .

What is one main factor that influences gravitational pull?

What is precipitation?

Oceans are salty because of ______________