Unit Test (Human Impact, Ocean, Issues, & Water Pollution)

Point source pollution is much more difficult to track and clean up than nonpoint source pollution.

• True

• False

Tags

NGSS.MS-ESS3-3

To be considered a source of water pollution, the source must include a chemical.

• True

• False

Tags

NGSS.MS-PS1-2

Algal blooms, and the rapid proliferation of photosynthetic plankton can ultimately end up depleting all the oxygen from a body of water.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The principle difference between point source and nonpoint source water pollution is ___________________.

• whether the pollution is organic or inorganic

• the number of sources of pollution

• the amount of pollution

• whether it is from commercial or agricultural sources

Which of the following is true concerning sources of water pollution?

• Mine wastes and heavy metals become water pollution through storm water runoff.

• Biodegradable materials like food, wood, and leaves are not considered pollution.

• Petroleum byproducts and fuels end up as pollution principally from oil spills.

• Pesticides and herbicides do not commonly become water pollutants.

Tags

NGSS.MS-ESS3-3

Which of the following is the most serious effect of water pollution for humans?

• infectious diseases

• algal blooms

• toxic food chain effects

• low-oxygen water

Tags

NGSS.MS-LS1-5

The toxic effects of water pollution are generally _______________.

• immediate and long-lasting

• immediate and short-lived

• delayed and long-lasting

• delayed and short-lived

Tags

NGSS.MS-LS1-5

Which of the following best describes pollution discharged by cruise ships?

• Cruise ships only discharge sewage and liquid wastes.

• Cruise ships discharge sewage, solid, liquid, and air pollution.

• It is illegal for cruise ships to discharge untreated sewage in the ocean.

• Cruise ships do not discharge oil or petroleum waste.

Tags

NGSS.MS-ESS3-3

Changing your toilet can reduce water pollution because ______________________.

• the sewage is partially treated in the toilet before entering the sewer system

• chemicals added by new toilets neutralize the pathogens in the water

• more efficient plumbing uses more water and creates larger volumes of waste

• more efficient plumbing uses less water and creates smaller volumes of waste

Which of the following is true about impervious building materials?

• Impervious surfaces prevent pollutants from entering the water supply.

• Vegetation and gravel are common impervious materials.

• Having fewer impervious surfaces improves water drainage.

• All of the above