I know it
What is the original source of energy for wind?
The sun
Why is solar energy considered a clean energy source?
It does not produce pollution
What effect do greenhouse gasses have on Earth?
They trap heat in the atmosphere
Why is soil erosion harmful?
It stops plants from growing
List two renewable resources
Sun, Wind, Water, Trees
What are two examples of fossil fuels?
Coal, Petroleum, Natural gas
What is one effect of global warming?
Rising temps, fewer plants growing
What is the definition of conservation?
Protecting and using less of a resource
Why is wind energy considered unreliable in some places?
Wind does not blow constantly
What is the definition of a nonrenewable resource?
A resource that can be replaced over thousands of years.
What gas is mostly responsible for global warming?
What is a reason scientists what to develop alternative energy sources?
Fossil fuels are limited and polluting
Which energy source is produced from the movement of water?
Hydroelectric energy
What are fossil fuels made of?
Dead plants and animals buried long ago
What are CFCs known to damage?
The Ozon layer
Which material is renewable and is used to make clothing?
Cotton
What gas is release by coal-burning power plants and is harmful to the environment
Carbon monoxide
What is an example of renewable energy?
Solar energy, Hydroelectric, Geothernal, Biomass
Which of these is a practice of soil conservation?
no till farming
List nonrenewable resources
Natural gas, coal, petroleum