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Science EOG, 5th Grade, Weather Concepts

Science 5th Grade EOG Concepts and Information, North Carolina
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Cloud
Consist of billions of tiny water droplets (and even ice crystals) and clouds form when raising air cools and the moisture in it condenses to water droplets.
Nimbus clouds
Are rain bearing clouds that are dark and ragged at the edges.
Cumulus clouds
Are fluffy like pieces of cotton. Often they are thick and extend very high in the sky.
Stratus clouds
Are flat layers that form close to the Earth. They are often connected with stormy weather.
Cirrus clouds
Are thin wispy and form high in the sky. They appear before a change in the weather.
Water cycle
The process in which water moves through the ground, evaporates from the earth into the air, forms clouds, and falls back to earth.
Precipitation
Rain, snow, sleet, or hail.
Condensation
The process in the water cycle by which gas becomes a liquid.
Evaporation
The process in the water cycle in which a liquid becomes a gas because water was heated.
Runoff
Water flowing over the Earth's surfaces into the lakes, rivers, and oceans.
Groundwater
Water that has soaked into the soil.
Weather
The state of atmosphere at a certain time and place.
Temperature
Is the measure of how warm or cold something is.
Climate
is the average weather conditions in an area over a long period of time.
Rotation
Is Earth spinning around once every 24 hours, resulting in day and night.
Revolution
Is Earth moving in a path around the Sun, resulting in one Earth year.
Humidity
the amount of water vapor in the air.
Latitude
The distance from the equator can determine weather and climate, closer to the equator, the warmer the temperature.
Barometer
Measure air pressure
Rain gauge
Measure the precipitation
Meterologist
A person who forecast the weather and studies the climate patterns.
Wind
Is caused by differences in air pressure
Air mass
A large body of air that has the same temperature and level of humidity thoughout.
Cool air masses
Where the land temperature is cool.
Warm air masses
Form over the land that is warm
Dry air masses
Form over dry areas
Wet air masses
Form over wet areas like oceans.
Air pressure
The weight of the air in an area.
Low pressure
Hotter temperature and more moisture
High pressure
Cooler temperature and less moisture.
Occluded front
Forms when a warm air mass is caught between two cold air masses.
Stationary front
Occurs when a warm air mass and a cold air mass meet.
Cold front:
A cold air mass moves under a warm mass & pushes the warm air upward.
Warm Front
Forms when warm air bumps with colder air.
Anemometer
A gauge for recording the speed and direction for wind.
Altitude
The farther up you go the temperature decreases. Air is less dense and cannot hold the heat.
Sea Breeze
The movement of air caused by cool air over the ocean moving toward the land.
Land breeze:
The movement of air created by cool air over land moving toward the ocean.
Mountain breeze
The movement of air caused by cool air sinking and moving down the slope of a mountain.
Valley breeze
The movement of air created by warm air rising and flowing up the slope of a mountain.
Wind movement
Usually winds move from west to east.
Mountains and Weather
Temperature in mountainous areas tend to be lower than those in a flat area.