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SLO Post Test Review
Test Description: Preparation for POST SLO testing
Instructions: Answer all questions to get your test result.
1) If a book is at rest, and then falls from the shelf to the floor, energy is transferred from ___ energy to ___ energy.
A
electrical, chemical
B
kinetic, potential
C
chemical, mechanical
D
potential, kinetic
2) A toy helicopter's blades spin when its circuit is connected to a battery. Which sequence shows the energy changes taking place in the helicopter?
A
chemical to electrical to potential
B
electrical to mechanical to potential
C
chemical to electrical to kinetic
D
heat to mechanical to potential
3) Zion throws a baseball into the air, it rises, stops when it reaches its greatest height, and then falls back to the ground. At what point does the ball have the most potential energy?
A
While the baseball is stopped in the air
B
When the ball is falling
C
When the ball is rising
D
Just when the ball hits the ground
4) Think about the Law of Conservation
A
Energy can only be transformed
B
Energy cannot be transformed
C
Energy cannot be created
D
Energy cannot be destroyed
5) Which of the following best describes the energy transformation in a CD player?
A
electrical to potential
B
sound to electrical
C
electrical to kinetic to sound
D
electrical to thermal to radiant
6) Moving water can be used to make electricity because
A
moving water can flow over magnets to produce an electric current
B
moving water has a lot of heat energy
C
energy can be changed from 0ne form to another
D
water carries an electric current
7) Cody had to get some gasoline for his car. The gasoline provided what kind of energy so the engine would work?
A
solar
B
thermal
C
chemical
D
mechanical
8) Justice put the arrow in the bow and pulled the bow back. When the bow was pulled back, mechanical kinetic energy was transformed into _____ energy.
A
gravitational potential
B
thermal
C
chemical
D
elastic potential
9) Which of the following is an example of potential energy changing into kinetic energy?
A
putting canned food on a shelf
B
winding up a wind up toy
C
pulling back the string of a bow
D
releasing a sling shot
10) In a class experiment, a spoon that has been sitting art room temperature for several hours is placed in a beaker of boiling water. Which is the best prediction you can make about what will happen?
A
The metal will prevent water from losing any of its energy
B
Heat energy will be transferred from the metal to the water
C
Heat energy will be transferred from the water to the metal
D
Nothing will happen
11) Gravitational energy increases as an object's mass ________
A
gets weaker
B
gets stronger
C
decreases
D
increases
12) In a flashlight, energy from the battery is transformed into electricity to turn on the light. What type of energy is stored in the battery BEFORE it is used?
A
thermal
B
electrical
C
radiant
D
chemical
13) Sometimes penguins slide down icy hills into the ocean to avoid a land predator. What state of mechanical energy is illustrated by the penguins sliding down the hill?
A
elastic
B
radiant
C
kinetic
D
potential
14) As a microwave oven is operated, energy is transformed into all forms of energy except
A
solar
B
mechanical
C
light
D
thermal
15) Monkeys love swinging around and eating bananas. What type of energy do the monkeys obtain from the bananas?
A
kinetic
B
thermal
C
chemical
D
radiant
16) Allie loves to run and jump around the playground. What type of energy transformation takes place when her muscles move to perform the actions?
A
solar to chemical
B
kinetic to electrical
C
thermal to radiant
D
chemical to kinetic
17) What kind of energy can be felt when your skin warms due to the infrared rays from the sun?
A
electrical
B
potential
C
chemical
D
heat
18) The total amount of energy in the universe __________.
A
constantly changes over time
B
is increasing
C
is decreasing
D
remains constant
19) As molecules move faster, ____________ energy increases.
A
electrical
B
thermal
C
chemical
D
radiant
20) What will make an object's kinetic energy increase?
A
increased density
B
decreased speed
C
decreased density
D
increased speed
*select an answer for all questions
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