Vocabulary
Effects on the Environment
Causes
Knowledge
General Knowledge
100

What is the definition of pH?

The measurement of acidity or basicity of a solution

100

What is happening to the pH of oceans due to ocean acidification?

Getting more acidic

100

what is the main cause of ocean acidification?

Carbon dioxide gas in the atmosphere that dissolves in the ocean.

100

What is the neutral pH level?

7

100

What is the general formula for an alkane?

CnH2n+2

200

What is the definition of Ocean Acidification?

The ongoing decrease in the pH of the Earth's oceans. 

200

Ocean life that are affected most by ocean acidification.

shellfish

200

What is the major cause of rising carbon dioxide levels?

The burning of fossil fuels.

200

What does a higher pH mean? What does a lower pH mean?

A higher pH is more basic and a lower pH is acidic.

200

What mneumonic could you use to remember the first 4 alkanes?

Monkeys                 Methane

Eat                         Ethane

Peeled                     Propane

Bananans                 Butane

300

What is a fossil fuel?

A fuel derived from the remains of ancient plants and animals, formed naturally in Earth's crust

300
How much has the average pH of the ocean decreased? (percentage)

30%

300

How does deforestation contribute to ocean acidification?

When there are less trees to absorb CO2, there is more CO2 in the atmosphere and oceans.

300

What would you use to determine the pH of a water sample?

universal indicator/pH paper/pH probe
300

What is the smallest unit of matter

Atoms

400

What are greenhouse gases?

Gases that trap heat in the Earth's atmosphere.

400

At what pH would cause fish to die?

4.2

400

Do volcanoes or people contribute more CO2 to the environment?

People

400

Name the first 8 alkanes

Methane, Eathane, Propane, Butane, Pentane, Hexane, Heptane, Octane

400

What is the name of the alkane with this formula:

CH12

Pentane

500

What is Carbonic Acid?

A weak acid that is formed from water and carbon dioxide. 
500

What compound is decreased because of ocean acidification?

carbonate

500

What is increasing in the water that causes calcium carbonate shells to begin dissolving?

carbonic acid.

500

What pH level is the Ocean supposed to be?

~8.1

500

What colour is the flame which results in complete combustion?

Blue