1. Physical Science: Chapter 13 Section 3: Energy
_____________
The ability to do __________
Whenever ________is done, _________MUST
a). Be ______________between objects OR
b). _____________into another form of energy.

2. ENERGY
The amount of _______used can be found by calculating the amount of ____________done.
Work =________________
Because energy is the ability to do Work, _____ and _______are measured in the _____units, ______.

3. Physical Science: Chapter 13 Section 3: Energy
There are two broad categories of energy:
1. ________________energy
2. ________________energy

4. _______________energy is the __________energy of a system.
POTENTIAL ENERGY
_______________energy is the __________energy of a system.
It is also called the energy of __________, because it can result from the _________________ ___________________________.

5. ________________potential energy ____________potential energy
There are multiple kinds of potential energy:
________________potential energy
____________potential energy
______________potential energy

6. Physical Science: Chapter 13 Section 3: Energy
POTENTIAL ENERGY
____________________________
is created by
positioning an
object above
the surface of
the Earth.

7. G.P.E. = ___x ___x ___ Units: kg * m/s2 * m = kg*m2/s2 = __________
GRAVITATIONAL POTENTIAL ENERGY
● Depends on: the mass of the object, the acceleration due to gravity and the height above the surface of the Earth.
G.P.E. = ___x ___x ___
Units:
kg * m/s2 * m = kg*m2/s2 = __________
Since the (m x g) = ____________,
G.P.E. = ___ x ____

8. Physical Science: Chapter 13 Section 3: Energy
_____________POTENTIAL ENERGY
● Depends on
the __________of the elastic band, spring or other bent object
the __________that the band, spring or object is bent.

9. Physical Science: Chapter 13 Section 3: Energy
_______________ POTENTIAL ENERGY
● Is a type of potential energy stored in the ______________ __________________.
________________is released by changes in the structure of atoms’ nuclei.

10. Physical Science: Chapter 13 Section 3: Energy
_____________POTENTIAL ENERGY
● Is a type of potential energy stored in
_______

11. Physical Science: Chapter 13 Section 3: Energy
KINETIC ENERGY
___________ energy is the energy possessed by __________objects.

12. Kinetic Energy
Kinetic Energy is dependent on the mass and the velocity of the object. The formula is:
KE =
Notice that the Kinetic Energy (KE) is affected by both mass and velocity (speed). However, the ____________________makes a greater difference because it is squared in the equation.
Units are kg*m2/s2 which is equal to a ______.