Layers
Gases
Energy
Greenhouse Effect
Grab Bag
100
You would find the International Space Station in this layer.

What is the thermosphere.

100

This is the most abundant gas in the atmosphere.

What is nitrogen.

100

What objects radiate heat energy?

What is all objects.

100

What is the process that keeps the Earth warm?

The greenhouse effect

100
In which layer does weather occur?

Troposphere

200

Which layer protects us by absorbing harmful radiation in the ozone layer?

What is the stratosphere.

200

This is the second most abundant layer in the atmosphere.

What is oxygen.

200

70% of the sunlight is ________ by gases, particles and the Earth's surface.

absorbed

200

What is in the atmosphere that absorbs heat energy radiating from the Earth?

Greenhouse gases
200

In which atmosphere layers does it get WARMER as you rise?

Stratosphere and Thermosphere

300

Which layer protects us from meteors?

What is the mesophere.

300

Name one gas found in small amounts in the atmosphere. 

Any accepted: CO2, water vapor, or greenhouse gases (methane, nitrous oxide, CFCs)

300

Radiated heat energy gets ________ by greenhouse gases or transmitted back into space.

absorbed

300
What is the greenhouse gas that comes from livestock farming? (Hint: cow farts!)

Methane (CH4)

300

What happens to density in the atmosphere as you go higher up?

It decreases!

400

In which layers does the it get COLDER as you rise in altitude?

tropsophere, mesosphere

400

Which is NOT a property of air:

1) Air has mass

2) Air is visible

2) Air has volume

What is #2; air is visible is NOT a property. 

400

25% of sunlight is ___________by clouds and gases, never reaching Earth's surface.

reflected

400

Which gas comes from the burning of fossil fuels and stays in the atmosphere for centuries?

Carbon dioxide

400

What chilly thing do scientists use to look at historical carbon dioxide levels?

Ice cores

500

What criteria do scientists use to define the layers of the atmosphere?

Temperature

500

In class, you were able to suspend an index card in the air using water and a small cup.  This illustrated which property of air?

Air exerts pressure in all directions. 

500

44% of the energy absorbed by earth is __________ back to the clouds atmosphere.

radiated

500

Which greenhouse gas enters the atmosphere through evaporation?

Water vapor

500

These man-made greenhouse gases come from aerosol cans and have made a hole in the ozone layer

What are chlorofluorocarbons (CFCs)?