10/20

10/20

8th Grade

11 Qs

quiz-placeholder

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10/20

10/20

Assessment

Quiz

Science

8th Grade

Hard

Created by

Nichole Frazier

Used 1+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does most fresh water exist? 

ice caps, lakes, and streams 
glaciers, rivers, and oceans 
aquifers, ice caps, and glaciers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do large numbers of ocean life-forms live near areas of upwelling?

Upwelling brings nutrients to the surface.
Upwelling brings warm water to the surface
Upwelling helps push small fish up toward the surface
D. Upwelling keeps large predator fish away from the surface

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which chemical elements in fertilizers pollute stormwater runoff and contribute to excessive plant growth in a water system?

iron and lead
copper and zinc 
calcium and magnesium 
phosphorous and nitrogen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is Earth’s largest source of drinkable water?

lakes 
rivers 
oceans 
aquifers 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which would most likely cause a sudden increase of nitrates in a waterway?

spill from an oil tanker
runoff from a boat yard
runoff from a golf course
discharge from a chemical plant

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The empty spaces in a material are called pores. Porosity is the amount of empty space within a material. Permeability describes how well the pores in a material are connected. Which of these materials would make the MOST effective aquifer?

a material that has high porosity and high permeability

a material that has high porosity and low permeability

a material that has low porosity and high permeability

a material that has low porosity and low permeability

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which characteristic of water quality provides the most information regarding the

health of a water system?

clarity

temperature

concentration of heavy metals

presence of indicator species

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