Share CCNN 5º - ENERGY
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Everything that moves has what type of energy?
Motion energy
Lightning and the lights we use at home are example of what type of energy
Electric energy
A radiator is a man-made source of what?
Heat energy
What do uranium and plutonium release?
Nuclear energy
What is formed when sound vibrates?
Waves
What energy makes matter change temperature?
Heat energy
What is dilation?
When objects expand to have a greater volume
What produces changes in state?
variations in temperature
What is present in nature in limited amounts?
Non-renewable energy
What is petroleum made of?
The decomposition of dead organic matter.
What non-renewable resource is made of decomposed plants?
Coal
What is it called when a source of energy is unlimited?
Renewable energy.
What is the problem with renewable energy sources?
They produce less energy than non-renewable sources.
What does petroleum look like?
A viscus black liquid
What makes changes in matter possible?
Energy
What is it called when heat energy turns would into ashes and carbon dioxide?
combustion
