Review

Match the following description to the event.

• a natural phenomenon where greenhouses gases, like CO₂, traps sunlight and wams the planet

• global warming

• a phenomenon showing a gradual increase of Earth's temperature due to unnaturally high levels of CO₂

• ocean acidfication

• a contamination of air dues to introduction of pollutants/chemicals

• pollution

• a phenomenon that increases ocean water acidity by lowering its pH due to high levels of CO₂

• greenhouse

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

The largest reservoir of carbon is in the

• forests

• ocean

• rocks (limestone)

• permafrost and bogs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is happening at 4?

• respiration: releasing CO₂

• decomposing CO₂ in the soil

• photosynthesis: absorbing CO₂

• turning CO₂ from the atmosphere into organic molecules

Tags

NGSS.MS-LS2-3

Step one represents what process?

• Animals are releasing energy into the environment and storing carbon.

• Animals are decomposing and releasing carbon into the soil.

• Animals are converting carbon dioxide from the atmosphere to oxygen.

• Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-6

This pool is the envelope of air that surrounds the Earth.

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

This pool is made up of the ground and underground up to 60 miles below the Earth's surface.

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

Tags

NGSS.MS-ESS3-1

This pool is all the water on Earth including in the air, oceans, rivers, streams, and underground.

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

Tags

NGSS.MS-ESS2-4

This pool contains all life on Earth.

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemical on the environment?

• These chemicals are expensive to produce.

• Runoff carries these chemicals into lakes and streams.

• Storage space for these chemicals is limited.

• Theses chemicals cannot be purchased in large bulk.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5