Earth’s Components
These are the 3 non-living things that make up Earth.
1. Land
2. Water
3. Air
This type of water is found in oceans and is not for drinking.
Saltwater
This is the name for a natural feature on the Earth's surface.
Landform
This is how long it takes for the Earth to revolve once around the Sun.
1 year OR 365 days
True or False: Earth is the only planet we know that has life.
True
Water always flows in this direction because of gravity.
Downhill
These are the highest landforms with very steep sides.
Mountains
This is the name for the rapid spinning of Earth on its axis.
Rotation
Besides land, water, and air, these are the living parts of Earth.
Humans, Plants and Animals
This is a very large, slow-moving block of ice found on land.
Glacier
This landform is lower than a mountain and more rounded.
Hill
We experience this when our part of the Earth faces away from the Sun.
Night
Scientists are currently looking for life on this "Red Planet."
Mars
When many small streams merge together, they form this.
River
This is a low area of land found between two mountains.
Valley
This is the star that the Earth revolves around.
Sun
This invisible gas is the component of Earth we breathe.
Air/Oxygen
These are bodies of water that are completely surrounded by land.
Lake
To represent landforms, you could build one of these 3D objects.
Model
One full rotation of the Earth takes this many hours.
24 hours