Show:
Pollutants
Acids/Bases
Water
Anything Goes
HodgePodge
100
Name two greenhouse gases.
What is carbon dioxide, methane, water vapour,nitrogen oxides.
100
The color of the litmus paper in a base.
What is blue
100
Dissolved oxygen in water should be high or low to support life?
What is high.
100

For humans, calcium, zinc, and iron are all examples of...

What is an inorganic nutrient or mineral.

100

A technique that can be used to reduce the concentration of harmful chemicals in the soil or groundwater by planting trees and other vegetation.

What is Phytoremediation?

200

These chemicals were largely responsible for the hole in the ozone layer.

What are CFCs

200
A technology used by industry to remove SO2 gases from their emissions.
What is a scrubber.
200
Two items that water conservationists would test for to determine water quality.
What is acidity, dissolved oxygen, heavy metals, pesticides, salts, plant nutrients (nitrogen, phosphorus)
200

Method used to reduce the effects of acid rain in lakes.

What is liming.

200
What are the three R's?
reuse, reduce, recycle
300

These two gases react to form acids in the atmosphere and contribute to acid rain.

What are sulfur dioxide and nitrogen oxides.

300
The term when an acid is added to a base to create water and a salt.
What is neutralization.
300
Insect that is sensitive to changes in pH in the water.
What is mayflies.
300

Name two of the four types of organic nutrients.

What are carbohydrates, lipids, proteins (amino acids), vitamins.

300
Movement of water from area of high concentration of water to an area of low concentration of water.
What is osmosis?
400
Two side effects of global warming due to greenhouse effect.
What is coastal flooding, melting of ice caps, more violent storms, more droughts,....
400
When a solution is a pH of 2, it is called
What is acidic.
400
Term to describe the accumulation of toxic pollutants through the food chain in water.
What is biomagnification
400
break down of material By the sun
What is Photolysis?
400
Nutrients required by plants in large quantities.
What is macronutrients?
500

This is a measurement for how much of a substance is required to kill half of a group of test animals.

What is LD50.

500
pH 5 is how many times more acidic than pH 9?
What is 10 000x.
500
Term for Adding lots of water to a pollutant to decrease its concentration.
What is dilution.
500
The breakdown of organic molecules by bacteria, fungi.
What is biodegradation?
500

What type of compound in NSO4?

What is Molecular or covalent?