Download Chapter 5 Test

Name: ______________________________
Williams
Date: _____/_____/_____
Block: _____
PHYSICS
Read pages 247 – 265. As you go along, fill in the blanks with a word or phrase that best fits.
Chapter 11: Energy
I. The Many Forms of Energy
A. Kinetic Energy
1) Kinetic energy is represented by the equation:
2) Kinetic energy is proportional to an object’s __________
3) Kinetic energy is also proportional to the __________ of an object’s velocity.
4) Kinetic energy is measured in __________ (
)
B. Stored Energy
1) Objects that have been lifted against the force of _______________ have stored or potential energy.
2) A compressed spring also stores its __________
3) Automobiles store _______________ energy in their gasoline tanks.
C. Gravitational Potential Energy
1) Gravitational potential energy is represented by the equation:
2) Gravitational potential energy is proportional to both __________ and _______________
D. Elastic Potential Energy
1) Energy stored in a pulled string is called ________________________________________________
a) This type of energy is often stored in objects such as ___________________________________
______________________________________________________________________________
2) Energy can also be stored in the _______________ of an object.
II. Conservation of Energy
A. The law of conservation of energy states that total amount of energy in a closed system remains
__________
B. Conservation of Mechanical Energy
1) Mechanical energy is the sum of ______________________________________________________
a) Mechanical energy can be represented by the equation:
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Name: ______________________________
Williams
Date: _____/_____/_____
Block: _____
PHYSICS
C. Loss of Mechanical Energy
1) An object moving through the air experiences the force of __________________________________
2) A roller coaster experiences _______________________________ on the wheels.
3) A bouncing ball loses some _______________ in between each bounce.
D. Analyzing Collisions
1) Three types of collisions
a) In a _________________________ or ____________________ collision, kinetic energy is
added to a system.
b) In an ____________________ collision, the energy remains the same.
c) In an ____________________ collision, the energy decreases.
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