What is energy?
The ability to do work,
Where can we find energy?
Everywhere
Name 5 types of energy.
Check with miss.
Which are the properties of energy?
Transformed, transported, transfered.
Name 3 types of energy that comes from the nature.
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T o F : Energy can neither be created nor destroyed
True
Give an example of energy in plants.
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Give 2 examples of food that provides energy.
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What is a source of energy?
A source from which usful energy can be extracted either directly or by conversion or transformation process.
What is a primary energy resource?
Energy coming from a natural energy source without transformation. Ex. Crude oil, firewood, water in dams.
What is a secondary energy resource?
All the products that are the result of transforming primary energy resources. Ex. Windmill, solar panel.
Name an example of renewable energy.
Sun, wind, water, thermal, etc
Name an example of non-renewable energy.
Nuclear, oil, gas, coal, petrol.
What is renewable energy?
Continuously recovered and will never run out
What is non-renewable energy?
Energy that is consumed faster than they can be replaced. One day they will run out. .
Name an example of enviromental problems due to certain types of energy.
Carbon dioxide into the atmosphere due to burning fossil fuels; acid rain due to air and water pollution; global warming, etc
