Unit 7 global success grade 8

What does "endangered species" mean?

• Animals at risk of extinction

• Animals living in zoos

• Animals that migrate

• Animals in the Arctic

Which activity reduces waste?

• Throwing trash in rivers

• Using single-use plastic

• Recycling paper and glass

• Cutting down trees

What does "renewable energy" refer to?

• Energy from coal

• Energy from natural resources like wind and solar

• Energy that cannot be used again

• Energy from non-recyclable materials

What happens when harmful substances are released into rivers?

• Water pollution

• Air pollution

• Soil erosion

• Urbanization

The term "recycling" refers to:

• Throwing things away

• Using materials again

• Cutting down forests

• Polluting the air

Which word describes the destruction of the natural home of plants and animals?

• Habitat loss

• Biodiversity

• Pollution

• Extinction

A "carbon footprint" measures:

• The size of a person's feet

• The amount of carbon dioxide released by a person or activity

• The amount of oxygen in the air

• The temperature of the atmosphere

Cutting down trees leads to __________ and the loss of __________ for wildlife.

• erosion, biodiversity

• reforestation, pollution

• deforestation, habitats

• urbanization, ecosystems

__________ pollution occurs when harmful chemicals are dumped into __________.

• Air, rivers

• Soil, oceans

• Water, rivers

• Water, soil

Planting __________ helps to prevent soil __________ caused by wind and water.

• grass, depletion

• crops, destruction

• trees, erosion

• flowers, pollution