Science Grade 7 Q4 Revision

Which of the following layers of Earth's atmosphere has the narrowest temperature range?

• troposphere

• stratosphere

• mesosphere

• thermosphere

Which of the following is NOT a trace gas in Earth's atmosphere?

• argon

• carbon dioxide

• ozone

• nitrogen

Most of the hydrosphere is in what form?

• ocean water

• ice

• freshwater

• groundwater

Tags

NGSS.MS-ESS2-4

The layer of the geosphere immediately below the crust is called what?

• the hydrosphere

• the mantle

• the outer core

• the inner core

Tags

NGSS.MS-ESS2-1

Scientists classify rocks mainly according to which feature?

• their color

• their hardness

• how they form

• where they are found

Nitrogen and oxygen make up all but what percent of other gases Earth's atmosphere?

• 0.1%

• 1%

• 4%

• 10%

The troposphere and the mesosphere are part of which system?

• the atmosphere

• the biosphere

• the geosphere

• the hydrosphere

Tags

NGSS.MS-ESS2-4

In a reservoir of groundwater, where is the zone of saturation?

• immediately above the water table

• immediately below the water table

• both above and below the water table

• in atmosphere

Tags

NGSS.MS-ESS2-4

Naturally occurring inorganic solids are a part of which system?

• the atmosphere

• the biosphere

• the geosphere

• the hydrosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

What is the inner core of the Earth made of?

• molten rock

• solid rock

• molten metals

• solid iron