energy Flashcards
1
Q
where does all energy come from?
A
the sun
2
Q
can energy be created?
A
energy cannot be created or destroyed, it just transfers from one form to another
3
Q
what happens to energy that is not used usefully?
A
it is wasted as heat energy which warms up the surrounding
4
Q
what is temperature ?
A
how hot something is and is measured in (‘C)
5
Q
what is heat?
A
type of energy that will transfer from a warm area to a cooler one and is measured in joules
