Materials from the environment that are used by people.
What is natural resources.
100
Lots more people, so we use lots more resources.
What is population growth.
100
Anything in the environment that is harmful to people is called
What is pollution
100
The major cause of air pollution is
What is burning of fossil fuels.
100
Electrical energy produced from moving water.
What is hydroelectric power.
200
Materials that are replaced or reused by nature.
What are renewable resources.
200
Regions Population Under Age 15
Africa ……………44 %
Asia ……………. 31 %
Europe …….…… 19 %
Latin America …. 35 %
North America ….22 %
Pacific Oceania …26 %
List the regions in order from the one with the lowest percentage of population under age 15 to the one with the highest percentage.
Europe, North America, Pacific Oceania, Asia, Latin America, Africa
200
The three R's are Remove, Reuse and Recycle.
True / False
False (Reduce, Reuse and Recycle)
200
Air pollution occurs when harmful substances are released into the
What is atmosphere
200
Solar energy is energy from the wind.
True / False
False (Sun)
300
Materials that are not easily replaced by nature.
What are nonrenewable resources.
300
Regions Population Under Age 15
Africa ……………44 %
Asia ……………. 31 %
Europe …….…… 19 %
Latin America …. 35 %
North America ….22 %
Pacific Oceania …26 %
Which region do you think will have the greatest increase in its total population in the next 20 years?
Africa
300
What causes water pollution?
Release of harmful substances into the water.
300
When fossil fuels burn, they release ________ gas into the air.
What is carbon dioxide
300
Energy produced by moving air is wind energy.
True / False
True
400
Wise use of natural resources.
What is conservation.
400
Regions Population Under Age 15
Africa ……………44 %
Asia ……………. 31 %
Europe …….…… 19 %
Latin America …. 35 %
North America ….22 %
Pacific Oceania …26 %
Is the increase in North America's total population likely to be larger or smaller than most other regions?
Smaller
400
What kinds of water pollutants are produced by industry?
chemical pollutant
400
Scientists think that an increase in the amount of carbon dioxide in the air may cause _______ to rise.
What is temperature.
400
Wind energy is a nonrenewable resource.
True / False
Regions Population Under Age 15
Africa ……………44 %
Asia ……………. 31 %
Europe …….…… 19 %
Latin America …. 35 %
North America ….22 %
Pacific Oceania …26 %
Why is the percentage of population under age 15 important for predicting future population growth?
The higher the percentage of population under age 15, the greater the potential for population growth.
500
Name two ways that land pollution can be reduced.
collecting garbage, using recycle waste
500
An increase in temperatures around the world.
What is global warming.
500
Geothermal energy comes from heat inside homes.
True / False