Gray clouds that cover the lower part of the sky; rain or snow may fall from them.
What are stratus clouds?
100
The four seasons.
What are spring, summer, fall, winter?
100
Nature’s way of recycling water.
What is the water cycle?
100
Measures the amount of heat in a substance?
What is thermometer?
100
Ice crystals that begin to fall but are picked up by wind gusts until they become too heavy and fall to the ground.
What is hail?
200
White, puffy clouds that look like piles of cotton; they are known as fair-weather clouds.
What are cumulus clouds?
200
The northern hemisphere of the Earth tilts on its axis towards the sun.
What is summer?
200
The process of water changing into an invisible gas called water vapor.
What is evaporation?
200
Determines the direction of the wind.
What is a weather vane?
200
The weather of a place over a long time.
What is climate?
300
Thin, feathery clouds that appear high in the sky; they are a sign that rain or snow is on the way.
What are cirrus clouds?
300
The northern hemisphere of Earth tilts on its axis away from the sun.
What is winter?
300
The process of water vapor turning into water droplets.
What is condensation?
300
Measures the speed of the wind.
What is a anemometer.
300
The state of the atmosphere at a given time and place: variables such as temperature, moisture, wind speed, and air pressure.
What is weather?
400
Cloud that forms at the earth’s surface.
What is fog?
400
The imaginary line that the Earth tilts on.
What is the Earth's axis?
400
Amount of water vapor in the air.
What is humidity?
400
Measures air pressure.
What is a barometer?
400
All the gas from pollution traps the heat from the sun and heats the earth.
What is greenhouse effect?
500
Tall, dark clouds that mean thunderstorms with heavy rain and strong winds.
What are cumulonimbus clouds?
500
Countries that only have two seasons.
What are countries close to the equator?
500
Water that is found underground.
What is groundwater?
500
Measures the amount of precipitation that has fallen.
What is a rain gauge?
500
As a result of human activities which cause catastrophic flooding, and caused significant effect on climate change because of increase in carbon dioxide.