We can see the moon because it _______ the light from the sun.
reflects
What is the hottest planet in the Solar System?
Venus.
How long does it take the Earth to rotate?
24 hours.
When water is solid we call it ice, and when it is a gas we call it...
water vapour.
How quickly does the Earth orbit the sun?
30 km/s.
How long does it take the moon to orbit the Earth?
About 28 days.
The Atmosphere is the ______ of gas around the Earth.
layer
What causes the four seaons?
The Earth's axis is tilted.
How long does it take the Earth to orbit the sun?
About 365 days.
On which layer of the Lithosphere do we live?
The crust.
Liquid water __________ from the lakes and oceans, forms clouds, falls as rain, and flows back into the lakes and oceans. This is called the Water Cycle.
evaporates
What layer of the Lithosphere is a liquid?
The outer core.
What part of the Atmosphere protects us from the sun's radiation?
The ozone layer.
What is the thickest layer of the Lithosphere?
The mantle.
There is no weather on the moon because it has no ____________.
atmosphere
What is the hottest layer of the Lithosphere?
The inner core.
The Atmosphere absorbs heat from the sun, to keep the planet warm. What is this called?
The Greenhouse Effect.
When did Astronauts first visit the moon?
1969.
Where is the Earth's crust the thinnest?
At the bottom of the ocean.
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