10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points Atmosphere layers and composition of air Altitude vs. air pressure/ temperature/ density Pressure systems, fronts, And air masses Clouds and Severe weather Water cycle and Winds 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points

What is the layer of our atmosphere that is closet to the Earth?

The Troposphere

In order, what are the layers of our atmosphere?

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

What three gases make up the composition of air?

Nitrogen, oxygen, and trace gases

Which layer of the atmosphere is the most dense?

The Troposphere

What gas makes up most of the air?

Nitrogen-78%

When altitude increases air pressure ________

decreases

What is density?

The amount of mass a substance has in a given volume.

As altitude increases in each layer what happens to the temperature?

The temperature decreases then increases then decreases then increases

The ________ the air pressure the higher its altitude.

lower

Why does the air pressure decrease when altitude increses?

The air gets thinner the higher you go.

What kind of pressure system brings ‘good’ weather?

High pressure system

What is a front where a cold air mass overtakes a warm air mass?

Cold front

Which air mass would bring wet, cold weather?

Maritime polar

Name all four air masses.

Maritime tropical, Maritime polar, Continental tropical, Continental polar.

What is the difference between a stationary front and an occluded front?

A stationary front brings rain for many days while a occluded front brings possible rain and cooler weather.

What type of cloud are made of ice crystals?

Cirrus clouds

What are the low lying clouds that look like layers of a blanket?

Stratus clouds

Which is stronger a tropical storm or a hurricane?

Hurricane

How fast must the wind speed be for a tropical storm to be classified as a hurricane?

119 kilometers per hour

What clouds are in the sky during a thunderstorm?

Cumulonimbus clouds

What are the four forms of precipitation?

Rain, snow, sleet, and hail

What direction do our winds blow from and what are they called?

The Prevailing Westerlies blow from the west.

What are Doldrums?

Calm areas of rising air.

What step of the water cycle does transpiration occur in?

Water vapor from plants enters the atmosphere during photosynthesis Evaporation – Water vapor from plants enters the atmosphere during photosynthesis

What is the difference between condensation and evaporation?

Evaporation = liquid to gas Condensation =gas to liquid

Final Jeopardy Make your wager

What is the difference between an observation and an inference?

An observation is using your five senses (facts) while an inference is when you make an assumption about an observation.