Unit 2

Which of the following is an example of a change that is harmful to the environment?

• an oil spill in the ocean

• people bringing wolves back to Yellowstone

• a bird that builds a nest on a rooftop

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Interactions between living things are always predictable.

• True

• False

Tags

NGSS.MS-LS2-2

Which is a way to conserve resources?

• Using both sides of a piece of paper

• using only one side of a piece of paper

• throwing used paper in the trash can

• folding a piece of paper in hald

Conserving resources helps protect biodiversity

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5

Waste from a landfill overflows into a river. What will probably happen to the plants and animals that live in or around the river?

• They will get healthier

• they will not be affected

• they will be harmed

• the ecosystem will get stronger

Tags

NGSS.MS-LS2-4

Signs on the beach can help protect sea turtle nests by warning humans to leave them alone.

• True

• False

People can protect ecosystems by passing laws that stop factories from releasing waste into rivers.

• True

• False

Tags

NGSS.MS-ESS3-3

Pollution does not harm living things.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Which of these is a renewable source of energy?

• sunlight

• soil

• minerals

• oxygen

John is using cloth from old t-shirts to make a blanket. This is an example of

• recycling

• reusing

• reducing

• wasting