River School Earth Science Review

As you get higher in the atmosphere, the number of particles _____________________. 

About 75% of the Earth's surface is covered by _______________ water.

Most of the fresh water on Earth is in ______________________.

In which layer of the atmosphere does most weather occur?

Less than ________% of fresh water is available for humans.

The Carmel Watershed includes everything but _____________________.

What is it called when water vapor comes together in the atmosphere?

When water evaporates from the surface of oceans, the ___________ remains behind and collects. 

Weather maps display information about everything except ___________.

Chemicals and pesticides get into groundwater supplies through _______________________.

Two properties used the describe air masses are _______ and ___________.

This occurs when the sun heats the oceans' waters.

The ________________ provides the energy for the Earth's water cycle.

Uneven heating of the air and water on Earth causes the _________________.

Rain and snow are examples of ________________________.

Warm air rising & cold air falling toward the surface  causes _____ in the atmosphere.

Almost 4/5ths of the gas particles in the atmosphere are ___________________.

Wind is the movement of air from an area of ________________________.