Ocean Quiz

What percentage of the planet's water is held by the earth's oceans?

• 50%

• 70%

• 97%

• 85%

Which ocean is the largest?

• Atlantic Ocean

• Pacific Ocean

• Indian Ocean

• Arctic Ocean

How many oceans does the Earth have?

• Four

• Five

• Six

• Seven

What is the main reason the world ocean is important to the Earth's climate?

• It provides a habitat for marine life.

• It distributes heat all over the earth.

• It is a source of food for humans.

• It absorbs carbon dioxide from the atmosphere.

What human activity has affected the oceans by causing them to get warmer?

• Overfishing

• Deforestation

• Releasing greenhouse gases into the air

• Building artificial islands

What is the smallest ocean?

• Southern Ocean

• Indian Ocean

• Atlantic Ocean

• Arctic Ocean

What is the collective name given to all five oceans?

• The Great Ocean

• The Global Ocean

• The World Ocean

• The Universal Ocean

What is one of the negative effects of human actions on land on the oceans?

• Increased water salinity

• Decreased shipping routes

• Marine animals dying

• Improved water clarity

Why should we take good care of the oceans?

• They are a source of entertainment.

• They support our lives and the lives of many other living things.

• They are infinite and self-sustaining.

• They are not affected by human activities.

How much water does the earth's ocean hold?

• The earth's oceans hold 7% of the planet's water

• The earth's oceans hold 97% of the planet's water.

• The earth's oceans hold 9% of the planet's water

• The earth's oceans hold 900% of the planet's water

Tags

NGSS.MS-ESS2-4