About Earth

Earth is the only planet in the solar system with liquid water.

• True

• False

Tags

NGSS.MS-ESS2-4

What is gravity?

• An astronaut floating in space

• A machine that pulls objects towards the middle of the earth

• A force that pulls objects towards the middle of the earth

• The moon going around earth

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Gravity on the moon is stronger than gravity on earth.

• True

• False

How much water is on Earth?

• Water covers more than 70% of earth's surface

• Water covers more than 10% of earth's surface

• Water covers more than 50% of earth's surface.

• There is no water on earth

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NGSS.MS-ESS2-4

Where is most of the water on earth?

• Oceans

• Rivers

• Lakes

• Swimming Pools

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NGSS.MS-ESS2-4

Why is the water on the sea salty?

• The rocks on rivers are salty. Then they flow into the ocean and the water in the ocean becomes even saltier.

• From the salty leaves that fall in the river

• From all the salty animals that live in the ocean

• From the salty rain that falls in the ocean

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NGSS.MS-ESS2-4

According to the book, what's special about the Dead Sea?

• All the animals there are dead

• There are no animals because the water is very salty

• The water is so salty that you float without even trying

• If you drink that water you die

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

The rocks on the river contain salts. What does contain mean?

• hate

• water

• have

• like

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NGSS.MS-PS1-2

According to the book, where is the driest place on earth?

• The Atacama Desert in South America

• The Dry Valleys in Antarctica

• The deserts in Mexico

• The Pacific Ocean

How are the Atacama desert and the Dry Valleys alike?

• Both are very wet.

• In both there are birds, lizards and mice.

• In both it has not rain in many years.

• Both are covered by ice.

Tags

NGSS.MS-ESS2-2