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