Weather Unit 4th Grade

What is an instrument used to measure wind speed?

• Anemometer
• Rain Gauge
• Thermometer
• Wind Vane

Wispy, feathery clouds made of ice crystals that form at high levels

• Cumulus
• Stratus
• Cirrus
• Cumulonimbus

Overall weather in an area over a long period of time

• weather
• climate
• temperature

A collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs

• Cloud
• Wind
• Front

A front where cold air moves in under a warm air mass.

• cold front
• warm front

The change from a gas to a liquid

• precipitation
• evaporation
• condensation

Cumulus clouds that grow large and heavy with water, brings heavy rain

• Stratus
• Cirrus
• Cumulonimbus

Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton

• Stratus
• Cumulus
• Cirrus
• Cumulonimbus

The change of a liquid to a gas

• Evaporation
• Condensation
• Runoff
• Precipitation

Precipitation of ice pellets when there are strong rising air currents

• Sleet
• Rain
• Hail
• Snow