The surface of the earth is covered by land and _____.

Tags

NGSS.MS-ESS2-4

Which of the following is the largest continent?

• Africa

• Australia

• Asia

We divide them into _____ smaller oceans.

These are the Arctic Ocean, the Atlantic Ocean, the Indian Ocean, the Pacific Ocean and the Southern Ocean.

• 4

• 5

• 6

What percentage of the Earth's surface is covered by oceans?

• 80%
• 70%

• 50%

​ (a)   are some of the biggest and most recognizable landforms.

They have steep sides and high peaks that stand out from the land around them.

• Mountains
• Oceans
• Deserts

Tags

NGSS.4-ESS2-2

The low areas between mountains

are called ​ (a)   .

• valley
• canyon

How are mountains usually formed?

• Mountains are formed by rainfall.

• Mountains are created by wind.

• Mountains are formed by rock layers being pushed together

What type of water is found in rivers?

• Freshwater
• Saltwater

What is a large area of flat land with no hills or mountains called?

• Plateau
• Valley
• Hill
• Plain