Section 4: What is happening in the ocean

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

• 60%

• 80%

• 50%

• 70%

Why is the ocean important for life on Earth?

• It is the only source of renewable energy.

• It produces all the oxygen we breathe.

• It is a home and food source for many organisms.

• It provides fresh water for drinking.

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How does the ocean help regulate Earth's temperature?

• By creating wind currents.

• By absorbing heat from the Sun and distributing it.

• By producing cold air.

• By reflecting sunlight back into space.

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What happens to coral reefs when the ocean gets too warm?

• They experience coral bleaching.

• They produce more algae.

• They become stronger.

• They grow faster.

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What is the process called when algae make food using sunlight?

• Respiration

• Decomposition

• Photosynthesis

• Fermentation

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What is ocean acidification?

• The process of ocean water becoming less salty.

• The increase in ocean water temperature.

• The melting of icebergs into the ocean.

• The increase in CO2 levels causing the ocean to become more acidic.

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What is the 'great ocean conveyor belt'?

• A system of ocean currents that move warm and cold water around the planet.

• A method of transporting goods across the ocean.

• A type of underwater vehicle used for exploration.

• A natural barrier that protects coastal areas.

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Why are sea levels rising as Earth warms?

• Because of the expansion of warm water and melting ice on land.

• Because of the growth of coral reefs.

• Because of underwater volcanic activity.

• Because of increased rainfall.

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What ocean is off the coast of Maine?

• Pacific Ocean

• Indian Ocean

• Atlantic Ocean

• 

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What makes Mrs. DiVincenzo crazy

• Humming

• Bouncing balls inside

• Tapping pencils/nails/anything on tables

• All of these

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