Water and Landforms Quiz

Why does Earth look mostly blue from outer space?

• It is made of glass

• It is covered with blue flowers

• It is mostly covered with water

• It reflects the sky

What percentage of the Earth is covered with water?

• 50%

• 60%

• 71%

• 80%

What kind of water does not contain salt?

• Saltwater

• Brackish water

• Freshwater

• Ocean water

What is brackish water?

• Water that is salty like the ocean

• Water with no salt at all

• Water that is dirtier than freshwater

• Water that is saltier than freshwater but not as salty as salt water

Which of these is a freshwater form?

• Ocean

• Sea

• Lake

• Gulf

Which of the following is a saltwater form?

• River

• Pond

• Stream

• Sea

What is the largest water form on Earth?

• Lake

• Sea

• Ocean

• Strait

How many major oceans are there on Earth?

• 3

• 4

• 5

• 6

What is the difference between a gulf and a bay?

• A bay is larger than a gulf

• A gulf is more enclosed by land than a bay

• A gulf is made of freshwater

• A bay connects two oceans

What is a strait?

• A small lake near a mountain

• A river that turns into a lake

• A narrow body of water between two lands

• A deep hole in the ocean