True or false: a region's climate and weather are always the same.

• True
• False

If you see this symbol on a weather map, it means there is a _________________ front.

• cold
• warm
• stationary
• occluded

The movement of air parallel to earth's surface is called ______________.

• air mass
• wind
• air pressure
• cyclone

What kind of front is going through Pennsylvania in this picture?

• cold front
• warm front
• stationary front
• occluded front

The process by which heat is trapped near Earth's surface by gases such as carbon dioxide, methane, nitrous oxide, and water vapor.

• Global warming
• Greenhouse effect
• Atmospheric heating
• Global gasses

Which two layers of the atmosphere decrease in temperature as the altitude increases?

• troposphere
• stratosphere
• mesosphere
• thermosphere

Which of the following are the most abundant gases in the atmosphere? (select two)

• Hydrogen
• Oxygen
• Helium
• Nitrogen
• Neon

Select the answer choice that is the correct order of the layers of the atmosphere starting at sea level.

• stratosphere, troposphere, mesosphere, thermosphere, exosphere
• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• thermosphere, mesosphere, stratosphere, troposphere, exosphere
• mesosphere, stratosphere, thermosphere, exosphere, troposphere

True or false: hurricanes can travel thousands of kilometers from where they originally formed.

• True
• False

Which type of storm always forms over and pulls energy from a large body of warm water?

• Tornado
• Hurricane
• Blizzard
• Thunderstorm