6th Grade Science Final Review

Gold is a natural resource, because it occurs naturally in the environment and because humans use it. Gold cannot be made from other substances, and there is a limited supply of it. Which of the following is an example of a natural resource?

• houses

• trees

• concrete

• clothing

Tags

NGSS.MS-ESS3-4

What is gold an example of?

• a fossil fuel

• a renewable resource

• a nonrenewable resource

• a damaging pollutant

Tags

NGSS.MS-ESS3-1

The reason fossil fuels are useful is because they provide

• clean energy

• renewable forms of energy

• not as much energy as the other types of fuels

• fuel that burns much hotter than wood

A mineral deposit that is large enough, and valuable enough to be extracted from the ground is called a(n)

• lava

• prospector

• magma

• ore

Tags

NGSS.MS-ESS3-1

What kind of resource is solar power?

• generated energy

• short-term energy

• nonrenewable

• renewable

Jan learned that caves are formed from minerals. Which of the following is NOT a way that minerals form?

• from gases that turn directly into solids

• from mineral solutions dripping

• from cooled magma

• from elements in solutions that crystallize

Which of the following is NOT a source of freshwater?

• groundwater

• rivers

• lakes

• oceans

Tags

NGSS.MS-ESS2-4

What is the process that removes salt and minerals from saltwater to make freshwater?

• crystallization

• mineralization

• desalination

• distribution

Water scarcity is

• insufficient freshwater resources to meet the human and environmental demands of a given area.

• sufficient freshwater resources to meet the human and environmental demands of a given area.

• An over supply of ocean water

• Too much drinking water in our atmosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

What is the cause of an overall increase in the population?

• The birth rate is greater than the death rate.

• The death rate is greater than the birth rate.

• The birth rate and the death rate are equal.

• The death rate and people moving into an area are equal.

Tags

NGSS.MS-LS2-4