Unit 1: Energy Flashcards
1
Q
Chemical Energy is:
A
Energy of a compound that changes as its atoms are rearranged to form new compounds
2
Q
Example of Chemical Energy:
A
Energy that
is stored in
food.
3
Q
Energy is:
A
The ability to cause change
4
Q
Potential
energy is:
A
The stored energy of an object has based on it's position, condition, or chemical composition.
5
Q
Forms of
Potential
energy:
A
A ball sitting on a shelf
6
Q
Mechanical
energy is:
A
It is the ability to do work. It is the sum of its potential energy and its kinetic energy ME=KE+PE An object possesses mechanical energy due to its position or motion.
7
Q
How does
Friction result in
wasted
energy?
A
Friction transfers kinetic energy into heat and sound energy which spreads out in the surroundings.
8
Q
Law of
Conservation
of Energy:
A
Energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another.
9
Q
Label most (#1) to the least (#3) amount of kinetic energy: running, walking, sitting, standing
A
- running
- walking
- sitting
- standing
10
Q
Forms of
Kinetic
Energy:
A
running, rolling, thrown
11
Q
Kinetic
Energy is:
A
The energy an
object has due
to its motion.
12
Q
A self-propelled
vacuum cleaner
cleans the
carpet
A
Electrical->Sound
& Mechanical
13
Q
A fan cooling a house powered by a generator that converts electricity from falling water.
A
Gravitational->Electrical->Chemical->Mechanical
14
Q
An apple growing
over the spring
and then falls
when it is ripe.
A
Light->Chemical
Gravitational->Kinetic
15
Q
Clothes
drying in a
dryer
A
Electrical->Mechanical
& heat
