What is Chemical energy, Electrical energy, Mechanical forces, Geothermal energy, Solar energy, and Wind energy.
100
What is a fossil fuel?
What is Chemicals from dead plants and organisms, that died millions of years ago.
100
How does global warming affect the world?
What is It's warming the world and the ice caps are melting.
100
Explain non-renewable and a renewable resource.
What is a resource that will be gone forever and a renewable resource is something that can be renewable.
100
Fire
What is Chemical energy
200
Mechanical forces give off thermal energy. What causes this energy to be released?
What is Friction
200
Where are fossil fuels usually formed?
What is Oceans and silt that exerts deep pressure.
200
What is a greenhouse gas?
What is gases that result from burning fossil fuels.
200
Name 2 different types of non-renewable and 2 different types of renewable sources.
What is Trees and air. Coal and Oil.
200
Dams
What is Electric energy
300
What currents make our wind systems?
What is Convection currents.
300
When did the use of fossil fuels start to increase rapidly?
What is the 1800's when the western world became industrialised.
300
What causes global warming? Give 5 examples.
What is people, planes,cars,factories and fires.
300
Why dose greenhouse gases pose a problem to the world?
What is if there is to many greenhouse gases it will affect the world because it will heat up the world.
300
Volcanoes
What is Geothermal energy
400
What are two pros and two cons for electric damns?
What is
Pro: More tourist attractions. Changes falling water to electric energy.
CON: Kills wildlife. Affects fishery and hunting. Environmental damage.
400
What occurs when fossil fuels are burnt?
What is carbon dioxide gases are produced.
400
Who is one of the highest producers of greenhouse gases in the world?
What is Canadians
400
What is thermal pollution?
What is the accidental of the Earth.
400
The sun
What is Solar energy
500
What are the two ways of using solar energy? Give a short description on what each is.
What is Passive solar energy and Active solar heating.
PSE: Uses the materials to absorb, store, and release energy.
ASH: Uses solar collectors which have water or air and are heated by the sun.
500
After we have used up all the fossil fuels how will the demand for fossil fuels be affected and how many years until more are created?
What is millions of years and the demand would go up.
500
In a thermal electric power plant how much of the energy is actually converted to energy?
What is 1/3
500
Describe 2 ways of converting mechanical energy to thermal energy.
What is pounding a nail into a piece of wood and tire brakes.