Please match the word to the correct description. Question 1 options:

High Pressure (H=happy)

Sun

Atmosphere

Cold Front (blue triangles)

Nitrogen

Cumulus Clouds

Troposphere

Nimbus Clouds

Low Pressure (L=Lousy)

Warm Front (red semicircles)

1.

Lowest layer of Earth's atmosphere. Where we live. Where we find most weather.

2.

Fluffy, dense clouds mostly composed of water droplets.

3.

A cold air mass is replacing a warm air mass. Showers and thunderstorms form along leading edge or front.

4.

Dark clouds that have rain or snow falling.

5.

The layer of gases that surround the earth.

6.

Makes up 78% of Earth's atmosphere.

7.

A warm air mass is replacing a cold air mass. Air behind front is warm and moist. Slow moving, gradual rise or warm air over cold.

8.

Happens when air cools and it becomes denser causing to fall lower in atmosphere. Clear, sunny skies.

9.

Is necessary for evaporation to take place.

10.

Happens as warm air rises and becomes less dense. Cloudy skies and precipitation.