Water moves continually between the atmosphere and Earth's surface in the process called

• global warming.
• water pollution.
• temperature inversion.
• the water cycle.

Tags

NGSS.MS-ESS2-4

Most of the Earth's water (about 97 percent) is

• salt water in the oceans.
• freshwater in lakes and rivers.
• in the form of snow or ice.
• in the clouds.

Tags

NGSS.MS-ESS2-4

Garden plants usually grow better in topsoil than subsoil, because

• subsoil holds too much water.
• topsoil contains more nutrients.
• topsoil contains no rock fragments.
• subsoil has no plant or animal material.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Many uses of land, including logging, mining, and farming, expose the soil, which can lead to

• erosion.
• nutrient depletion.
• crop rotation.
• development.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-4

A full landfill is covered to keep out rainwater.  This step is taken to

• prevent desertification.
• protect biodegradeable materials.
• help with recycling.
• prevent the formation of leachate.

Strong hydrochloric acid can dissolve many substances.  Which type of hazardous waste would this acid be?

• explosive waste
• radioactive waste
• corrosive waste
• flammable waste

Many types of hazardous waste can be disposed of

• in an open dump.
• in a carefully designed landfill.
• in a sanitary landfill.
• down the drain.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1

Most water pollution is the result of

• human activities.
• drought.
• volcanic eruptions.
• storms.

Tags

NGSS.MS-ESS3-3

The ozone layer protects people from which of the following?

• carbon monoxide poisoning
• too much ultraviolet radiation
• the effects of radon
• surfing

You should not use a charcoal grill indoors, because

• charcoal contains radon.
• burning causes nutrient depletion.
• burning charcoal causes acid rain.
• burning produces carbon monoxide.