Weather Maps

A cold front is approaching Minneapolis. What will happen to the air temperature?

• stay the same
• increase
• decrease

A __________ is the lines between air masses.

• low pressure system
• high pressure system
• front

True or False:
Changes in weather should be predicted over a short period of time

• true
• false

True or False: Changes in wind speed and direction can indicate a storm or change of temperature

• True
• False

The Earth's ____________ is the layer of gases that surround the planet and make it possible for living things to survive on Earth.

• atmosphere
• water cycle
• shell
• land

Earth's atmosphere is made up of ______ of nitrogen. The remaining is made up of carbon dioxide, water vapor, and other gases.

• 1/4
• 2/3
• 1/5
• 3/4

Water Vapor rises from the Earth's surface during this phase of the water cycle.

• Condensation
• Evaporation
• Precipitation
• Run Off

Clouds form during this phase of the water cycle because water vapor cools and changes back to water droplets.

• Evaporation
• Precipitation
• Condensation
• Run Off

An anemometer measurees

• wind direction
• wind speed
• air temperature
• rain fall

Wind direction is measured by 

• wind (weather) vane
• anemometer
• barometer
• Rain gauge