Hydrosphere Quizizz

What does the term "hydrosphere" refer to?

• All water on Earth

• The Earth's atmosphere

• The Earth's landmasses

• The Earth's core

What percentage of Earth's surface is covered with water?

• Over 50%

• 25%

• 5%

• 10%

Why do humans depend on Earth's oceans?

• For entertainment and leisure

• For food, water, climate regulation, oxygen, and jobs

• For transportation and travel

• For mining and extraction of minerals

What do oceans provide that is essential for human survival?

• Only food and water

• Only climate regulation and oxygen

• Food, water, climate regulation, oxygen, and jobs

• Only jobs and entertainment

What do oceans provide for humans?

• Freshwater

• Fish as food

• Wood

• Minerals

How do oceans control Earth's temperature?

• By reflecting sunlight

• By absorbing heat and moving warm and cold water

• By creating wind patterns

• By increasing rainfall

What do phytoplankton in oceans produce?

• Over half of the oxygen we breathe

• All the salt in the ocean

• Most of the ocean's water

• The sand on beaches

Which of the following is a way humans affect the ocean?

• Recycling

• Overfishing

• Planting trees

• Using solar panels

What is one impact of human activity on oceans?

• Increased biodiversity

• Coastal development

• Decreased pollution

• Reduced climate change

Which human activity contributes to ocean pollution?

• Artificial Reefs

• Oil Spills

• Wind mills

• Trash Cleanup