WATER CYCLE
How much of the Earth's surface is covered with water?
70%
What are the three clouds mentioned in your book?
cumulus, cirrus, and stratus
What is humidity?
The amount of water vapor in the air
Measures how hot or cold it is.
Thermometer
The layer of gases that surrounds Earth is the __________________.
atmosphere
What is condensation?
When water vapor rises and becomes liquid water.
Gray clouds that cover the lower part of the sky; rain or snow falls from them.
stratus clouds
Scientists who study weather are called.
meteorologists
What does a wind vane do?
shows the direction the wind is coming from
All the things we know as weather happens in the bottom layer of the atmosphere called the __________.
troposphere
What are the three steps of the water cycle?
evaporation, condensation, and precipitation
What kind of weather do cumulus clouds bring?
fair weather
The _____________is the condition of the atmosphere at a given place and time.
weather
Define the purpose of a Rain Gauge.
measures rainfall
Air in motion is called __________.
wind
When water changes to water vapor it is called.
evaporation
White, puffy clouds that look like piles of cotton; they are known as fair-weather clouds.
cumulus clouds
What are the three main factors that affect weather?
water, temperature and air presssure?
What does an anemometer measure?
wind speed
Water that falls from the cloud is called ___________________.
precipitation
Water that is found underground
groundwater
Thin, feathery clouds that appear high in the sky; they are a sign that rain or snow is on the way
cirrus clouds
The weather pattern of a place over a long time
climate
What does a barometer measure?
air pressure
Precipitation is water that falls to Earth. Hail, sleet, rain, and snow are four types of precipitation. Which type of precipitation is most likely to occur when the cloud and air temperatures are several degrees above freezing?
hail