Hydrosphere 2

Question 1

What is a river basin?

Answer 1

The land that water flows across or under on it’s way to a river

Question 2

Which river basin is Raleigh located in?

Answer 2

Neuse River Basin

Question 3

What is the difference between river basins and watersheds?

Answer 3

Watersheds are smaller parts of the river basin

Question 4

Water flows in which direction?

Answer 4

From the highest to lowest point

Question 5

Where does water go after it drains from a river basin?

Answer 5

Into a river

Question 6

What is a vegetative buffer?

Answer 6

Plants & trees surrounding a river or stream to prevent erosion

Question 7

Permeable means that

Answer 7

Water and soil particles can travel through it easily

Question 8

Impermeable means that

Answer 8

Water and soil particles can’t get through at all

Question 9

What is Water quality?

Answer 9

A term used to describe the health of a water system

Question 10

Bioindicators

Answer 10

The living organisms in a water system that are linked to the water quality

Question 11

Dissolved oxygen

Answer 11

The amount of oxygen dissolved in a water system

Question 12

Nitrates

Answer 12

The amount of nitrogen compounds in a water system

Question 13

Turbidity

Answer 13

A measure of the clarity of water

Question 14

pH

Answer 14

The measure of how acidic or basic a substance is

Question 15

When the temperature is high, the DO level is

Answer 15

Low

Question 16

When the temperature is low, the DO level is

Answer 16

High

Question 17

What is a Pfiesteria

Answer 17

A microorganism that releases toxins under certain circumstances that eats away flesh and kills fish

Question 18

What is water pollution?

Answer 18

Addition of any substance that has a negative effect on the water or living things that depends on the water

Question 19

What is stewardship?

Answer 19

Responsibility for conserving and restoring the earths resources for future generations

Question 20

Treating surface water

Answer 20

1) check turbidity 2) add chlorine 3) alum added to make floc 4) clean floc out 5) water goes thu black coal and light brown sand filters 6) kept in a well before being released as city water

Question 21

Treating waste water

Answer 21

1) goes thru filters to catch large trash 2) goes into settling tanks where all the waste will settle out 3) goes thru bed of gravel with bacteria to eat up the waste 4) then it will be kept in a pool to purify it with sunlight and air

Question 22

What is bioremediation?

Answer 22

Using microorganisms to clean up pollution (eat up oil spills)