Human Impact on the Environment

Where does most of the world's pollution come from?

• humans

• outer space

• volcanos

• earth quakes

How much carbon dioxide does the average tree take in each year?

• 1 kg

• 3 kg

• 5 kg

• 10 kg

What gas do trees make?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Helium

What type of pollution can damage hearing?

• Noise pollution

• Air pollution

• Hearing pollution

• Water pollution

You are at a store and buy a pack of gum, which is the BEST option?

• Put the gum in your pocket or backpack

• Use a plastic bag

• Use a paper bag

When humans clear forested areas, this is called...

• deforestration

• dewooding

• forestation

• slash & burn

What does this picture show?

• A forest that has been destroyed through deforestation

• A healthy forest

• A forest that has been destroyed by acid rain

• The hole in the ozone layer

The introduction of chemicals and other materials into the atmosphere is called:

• Water Pollution

• Air Pollution

• Global Warming

• Deforestation

Increasing the CO₂ in the atmosphere contributes to

• Water Pollution

• The hole in the ozone layer

• Global Warming

• Biodiversity

What is the pH of acid rain?

• 7

• greater than 7

• less than 7