Show:
Layers of the Atmosphere
Atmosphere, Air Pressure and Wind
Weather and Clouds
Mixed bag
Tornados, Hurricanes, or Both
100

About 75% of the atmosphere's mass is found here, and it contains almost all of Earth's water vapor, dust, and carbon dioxide and pollutants. Terrestrial life forms exist here.

What is the troposphere?

100

Colder air has (more or less) density than warmer air.

What is more density?

100

These clouds, made of thin lines of crystals, are located high in the sky, above 6,000m. Sometimes the "ends" of the lines curl due to wind.

What are cirrus clouds?

100

The attractive force between two objects is called this.

What is gravity?

100

These form over land.

What are tornados?

200
The coldest layer in the atmosphere, temperatures can reach –90 degrees Celsius. Most meteors (shooting stars) burn up in this layer.
What is the mesosphere?
200

Bernoulli's Principal states that (faster or slower) moving air has more pressure.

What is slower?

200

These clouds are white and puffy, with defined edges.

What is a cumulus?

200

This is one example of extreme weather, and the solution people use to reduce its damage.

What is _________________?  


(The teacher will evaluate the answer given)

200

These have faster wind speeds, sometimes over 400 kilometers per hour.

What are tornados?

300
This layer does not have a specific outer limit. Lightweight atoms and molecules escape into space from this region.
What is the exosphere?
300

Most of Earth's water is in its gaseous phase of matter (true or false).

What is false? 


(Most of Earth's water is its liquid phase of matter)
300

These clouds look like fog, with a uniform color and no defined edge, forming below 2,000 meters.

What are stratus cloud?

300
The part of the water cycle that occurs when the kinetic energy of the water molecules increases, and liquid water is converted to water vapor.

What is evaporation?

300

These usually form near the equator, then move north or south, finally falling apart when they go over land or the temperature becomes too cold.

What are hurricanes?

400
This layer lies just above the troposphere, and the ozone layer is located here.
What is the stratosphere?
400

In the northern hemisphere, winds circulate in this direction, as observed from space?

What is counterclockwise?

400

When two masses of air crash into each other, it is called this.

What is a weather front?

400

The reason we have seasons is because of two things. This is one.

What is the 23.5 degree tilt of Earth's axis, and Earth's orbit around the sun?

400

These have a much larger diameter, typically several hundred kilometers.

What are hurricanes?

500
These are the five layers of Earth's atmosphere, in order from lowest (closest to Earth's surface) to highest.
What are: troposphere, stratosphere, mesosphere, thermosphere, exosphere?
500

Near the ocean, in the afternoon, there is a _____ breeze, with the cold air over the ocean pushing toward the warm air over land.

What is a sea breeze?

500

These clouds are tall, puffy and dark, with defined edges. They can produce heavy rainfall, thunder and lightning.

What are cumulonimbus clouds?

500

One of Earth's four spheres is called the biosphere.  The other three are these.

What are the hydrosphere, geosphere, and atmosphere?

500

These have rotating winds around a center of low-pressure air.

What are both hurricanes and tornados?