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Energy And Energy Resources
Test Description: Goes with the energy unit
Instructions: Answer all questions to get your test result.
1) In many nuclear-powered electrical power plants, the original energy comes from _______________.
A
disintegrating radioactive atoms
B
the breaking of chemical bonds
C
the electrical wires
D
the turbines
2) kinetic energy depends on _____________.
A
speed and mass
B
weight and height
C
mass and volume
D
speed and weight
3) In a coal fired electrical power plant, the original form of energy is ___________.
A
chemial
B
mechanical
C
electrical
D
nuclear
4) At what point does a roller coaster have the greatest potential energy?
A
the top of the biggest hill
B
the bottom of the biggest hill
C
the bottom of the smallest hill
D
the top of the smallest hill
5) When you turn on a light bulb, you convert __________________________.
A
electrical energy into light energy and thermal energy
B
chemical energy into light energy and thermal energy
C
potential energy into electrical energy and light energy
D
electrical energy into kinetic energy and light energy
6) When one object does work on another, energy is ___________________.
A
destroyed
B
transferred
C
all of the above
D
created
7) Because work and energy are so closely related, they are both expressed in ______________.
A
kilocalories
B
Calories
C
calories
D
Joules
8) During photosynthesis, plants ____________.
A
convert thermal energy into kinetic energy
B
use light energy to produce new substances with chemical energy
C
break down food molecules to release energy
D
combine carbon dioxide with oxygen
9) Machines can _______________.
A
transfer energy
B
transfer energy and convert energy
C
increase energy
D
convert energy
10) What is the most accurate relationship between enegy and power?
A
power and energy are the same thing
B
power does not require energy
C
energy and power are forms of matter
D
power requires energy
*select an answer for all questions
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