Download Pre-test ____ 1. What is the scientific meaning of energy?

Pre-test
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1. What is the scientific meaning of energy?
A. anything that has mass
B. the ability to cause change
C. anything that cannot be seen
D. the property of something to take up space
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2. Which of these is an example of kinetic energy?
A. wind blowing
B. water in a glass
C. a can of vegetables
D. the walls of a building
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3. When a pendulum is released, it swings back and forth. The speed and position change
throughout each swing. This illustration identifies three positions of a pendulum during its swing.
At which point does the pendulum weight have the greatest amount of potential energy?
A. Position 1
B. Position 2
C. Position 3
D. Gravitational potential energy does not change.
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4. What is the mechanical energy of an object?
A. the sum of all types of kinetic energy
B. the sum of all types of potential energy
C. the sum of all kinetic energy and all potential energy
D. the difference between the kinetic energy and the potential energy
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5. What is the law of conservation of energy?
A. The total amount of energy on Earth is constant.
B. Energy can only be created when a force acts on an object.
C. Heating an object creates energy and cooling destroys energy.
D. Energy cannot be created or destroyed but it can be transformed.
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6. How does kinetic energy differ from potential energy?
A. Kinetic energy is energy of motion, but potential energy is stored energy.
B. Kinetic energy can be measured, but potential energy cannot be measured.
C. Kinetic energy is in every object, but some objects do not have potential energy.
D. Kinetic energy is a form of mechanical energy, but potential energy is not
mechanical energy.
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7. The illustration below shows the path of a ball when thrown into the air.
What energy does the ball have at the point labeled Y?
A. kinetic energy only
B. potential energy only
C. kinetic energy and elastic potential energy
D. kinetic energy and gravitational potential energy
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8. The statements below describe four airplanes that have identical masses. Which airplane has the
greatest amount of gravitational potential energy?
A. an airplane traveling at 700 kilometers per hour (km/h) at an altitude of 3,000
meters
B. an airplane traveling at 400 km/h at an altitude of 5,000 meters
C. an airplane traveling at 600 km/h at an altitude of 5,000 meters
D. an airplane traveling at 350 km/h at an altitude of 6,000 meters
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9. Matt and Kim use bowling balls with different masses. If they both roll their bowling balls at exactly
the same speed, which statement is true?
A. The bowling ball with less mass has more kinetic energy.
B. The bowling ball with more mass has more kinetic energy.
C. The kinetic energies of the two bowling balls are the same.
D. There is not enough information to compare the kinetic energies.
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10. The illustration below shows three skiers—skier A at the top of the hill, skier B in the middle, and
skier C who has almost reached the bottom.
Which skier has the greatest gravitational potential energy in their present positions and why?
A. Skier C because she is almost at the bottom of the hill.
B. Skier A because she is at the top and has the farthest to go to the bottom.
C. Skier B because she is gaining potential energy.
D. Skier C because she has skied the farthest to get to the bottom.
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11. Which of the following examples of a cheetah has the most kinetic energy?
A. a cheetah that is resting
B. a cheetah that is running
C. a cheetah that is walking
D. a cheetah that is eating
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12. Study the features of this diagram.
When the slingshot is held in position as in the diagram, what kind of energy is present?
A. kinetic energy
B. potential energy
C. mechanical energy
D. light energy
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13. A ball is sitting at the top of a ramp. As the ball rolls down the ramp, the potential energy of the
ball decreases. What happens to the potential energy as the ball moves?
A. It is lost as gravitational energy.
B. It is converted to kinetic energy.
C. It is destroyed as the ball moves.
D. It is used to make the ball slow down.
MTP 1b
Answer Section
MULTIPLE CHOICE
1. ANS: B
A is incorrect because matter, not energy, is anything that has mass.
B is correct because energy is defined as the ability to cause change.
C is incorrect because there are many things that cannot be seen that are not energy.
D is incorrect because matter, not energy, takes up space.
PTS: 1
DIF: Cognitive Complexity: Low Complexity | Student Level: Basic | Depth of
Knowledge 1: Recall | Bloom's Traditional: Knowledge | Bloom's Revised: Remembering
REF: 41629b33-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Energy: Define energy.
KEY: change | energy | matter
MSC: g6_unit5_Unit Test A | IN g6_u3 Unit Test A
2. ANS: A
A is correct because the air molecules are in motion, so they have kinetic energy.
B is incorrect because water in a glass is not moving, so it does not have kinetic energy.
C is incorrect because a can of vegetables is not moving, so it does not have kinetic
energy.
D is incorrect because the walls of a building are not moving, so they do not have kinetic
energy.
PTS: 1
DIF: Cognitive Complexity: Low Complexity | Student Level: Basic | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Comprehension | Bloom's
Revised: Understanding
REF: 4164fd8e-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Energy: Provide examples of energy.
KEY: change | energy | matter
MSC: g6_Unit5 Lesson Quiz | IN g6_u3 Lesson1 Quiz
3. ANS: A
A is correct because the pendulum is at its highest point above the ground.
B is incorrect because the pendulum has changed some of its potential energy into kinetic
energy.
C is incorrect because the pendulum has changed some of its potential energy into kinetic
energy.
D is incorrect because gravitational potential energy increases as the pendulum moves
higher.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Application | Bloom's
Revised: Applying REF: 416eae0a-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Conservation of Mechanical Energy: Identify situations in which potential energy is
transformed into kinetic energy.
KEY: energy | gravitational potential energy | motion | potential energy
MSC: Test Generator | Uses visual element
4. ANS: C
A is incorrect because mechanical energy also includes the object’s potential energy.
B is incorrect because mechanical energy also includes the object’s kinetic energy.
C is correct because mechanical energy consists of kinetic energy and potential energy.
D is incorrect because mechanical energy is the sum of kinetic energy and potential
energy.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Basic | Depth of
Knowledge 1: Recall | Bloom's Traditional: Comprehension | Bloom's Revised:
Understanding
REF: 41734bb0-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Mechanical Energy: Define mechanical energy.
KEY: energy | kinetic energy |mechanical energy | potential energy
MSC: g6_Unit5 Lesson Quiz | IN g6_u3 Lesson1 Quiz
5. ANS: D
A is incorrect because energy can be transferred from one object to another, such as
from the sun to Earth, and is not conserved on Earth. The law of conservation of energy
states energy is conserved in a closed system.
B is incorrect because a force cannot create or destroy energy, but can only transform
energy into a different form or transfer it from one object to another.
C is incorrect because heating and cooling objects transfer energy and does not destroy
or create energy.
D is correct because the law of conservation of energy states that energy cannot be
created or destroyed but can be transformed or transferred.
PTS: 1
DIF: Cognitive Complexity: Low Complexity | Student Level: Basic | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Comprehension | Bloom's
Revised: Understanding
REF: 4175ae0b-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Conservation of Mechanical Energy: Define Law of Conservation of Energy.
KEY: conservation of energy | energy | mechanical energy
MSC: Test Generator | IN g6_u3 Pretest
6. ANS: A
A is correct because kinetic energy is motion and potential energy is stored.
B is incorrect because both types of energy can be measured.
C is incorrect because any object can have kinetic energy, potential energy, or both.
D is incorrect because kinetic energy and potential energy are both components of
mechanical energy.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Comprehension | Bloom's
Revised: Understanding
REF: 417f3777-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Differences and Similarities of Kinetic and Potential Energy: Compare and contrast
kinetic and potential energy.
KEY: energy | kinetic energy | potential energy
MSC: Test Generator | IN g6_u3 Unit Test A
7. ANS: D
A is incorrect because the ball has gravitational potential energy due to its position above
the ground.
B is incorrect because the ball has kinetic energy because it is moving at this point.
C is incorrect because the potential energy of the ball is gravitational potential energy, not
elastic potential energy.
D is correct because the ball is moving, and it is still above the ground giving it
gravitational potential energy.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 3: Strategic Thinking | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: 418b4a4e-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Differences and Similarities of Kinetic and Potential Energy: Classify an object's
energy as either kinetic, potential, or both.
KEY: energy | kinetic energy | mechanical energy | potential energy
MSC: Florida FCAT Preparation | Uses visual element | IN g6_u3 ISTEP+ Review | IN
ISTEP+ style
8. ANS: D
A is incorrect because 3,000 meters is less than 6,000 meters and gravitational potential
energy is greatest at the highest distance above the ground.
B is incorrect because 5,000 meters is less than 6,000 meters and gravitational potential
energy is greatest at the highest distance above the ground.
C is incorrect because 5,000 meters is less than 6,000 meters and gravitational potential
energy is greatest at the highest distance above the ground.
D is correct because gravitational potential energy is greatest at the highest distance
above the ground.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: 418fe7f4-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Potential Energy: Define potential energy.| Provide examples of situations in which
an object has potential energy.
KEY: energy | gravitational potential energy | kinetic energy | potential energy
MSC: Florida FCAT Preparation | g6_unit5_Pretest | IN g6_u3 Pretest
9. ANS: B
A is incorrect because kinetic energy increases as mass increases.
B is correct because kinetic energy increases as mass increases.
C is incorrect because a greater mass indicates more kinetic energy, if two objects are
traveling at the same speed.
D is incorrect because a greater mass indicates more kinetic energy, if two objects are
traveling at the same speed.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: 41900f04-e685-11de-9c72-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
STA: SC.6.P.11.1
TOP: Kinetic Energy: Define kinetic energy.
KEY: energy | gravitational potential energy | kinetic energy | potential energy
MSC: Florida FCAT Preparation | g6_Unit5 Lesson Quiz | IN g6_u3 Lesson1 Quiz
10. ANS: B
A is incorrect because gravitational potential energy increases with height.
B is correct because that skier is in a higher position above ground than the other two
skiers.
C is incorrect because skier B is in a lower position than skier A.
D is incorrect because distance traveled has no effect on gravitational potential energy.
PTS: 1
DIF: Cognitive Complexity: High Complexity | Student Level: Average | Depth of
Knowledge 3: Strategic Thinking | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: 366A1321-1DA7-4175-AA03-11643D840E24
OBJ: G6_PC_65000_KineticAndPotentialEnergy
TOP: Potential Energy: Provide examples of situations in which an object has potential
energy.
KEY: energy | potential energy | gravitational potential energy
MSC: Uses visual element | IN g6_u3 Unit Test B
11. ANS: B
A is incorrect because the faster an object moves, the more kinetic energy it has; a
cheetah resting is not moving and has its greatest potential energy.
B is correct because the faster an object moves, the more kinetic energy it has; a cheetah
running demonstrates its highest level of kinetic energy.
C is incorrect because the faster an object moves, the more kinetic energy it has; a
cheetah walking is not moving as fast as a cheetah running.
D is incorrect because the faster an object moves, the more kinetic energy it has; a
cheetah eating is not moving as fast as a cheetah running.
PTS: 1
DIF: Cognitive Complexity: Low Complexity | Student Level: Average | Depth of
Knowledge 1: Recall | Bloom's Traditional: Knowledge | Bloom's Revised: Remembering
REF: 2B69C803-B083-4D26-8F9F-102A06FD9367
OBJ: G6_PC_65000_KineticAndPotentialEnergy
TOP: Kinetic Energy: Define kinetic energy.
KEY: energy | kinetic energy | motion MSC: IN g6 ISTEP+ Practice 2 | IN ISTEP+ style
12. ANS: B
A is incorrect because kinetic energy is the energy of motion.
B is correct because potential energy is the energy stored within the slingshot as a result
of the position of the band.
C is incorrect because mechanical energy is the sum of potential energy and kinetic
energy, but no kinetic energy is present when the slingshot and its parts are not moving.
D is incorrect because there is no light energy present within the slingshot.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: 7ADC6CB7-86F7-406A-A5D9-4614FAB43A73
OBJ: G6_PC_65000_KineticAndPotentialEnergy
TOP: Potential Energy: Provide examples of situations in which an object has potential
energy.
KEY: potential energy | simple machine
MSC: Uses visual element | IN g6 ISTEP+ Practice 2 | IN ISTEP+ style
13. ANS: B
A is incorrect because energy is not lost but is converted to other forms.
B is correct because the potential energy of the ball is converted to kinetic energy, as the
ball rolls down the ramp.
C is incorrect because energy cannot be destroyed but can only change in form.
D is incorrect because kinetic energy affects the speed of the ball, not potential energy.
Also, the ball speeds up as it rolls down the ramp, it does not slow down.
PTS: 1
DIF: Cognitive Complexity: Medium Complexity | Student Level: Average | Depth of
Knowledge 2: Basic application of Skill | Bloom's Traditional: Analysis | Bloom's Revised:
Analyzing
REF: b5d24cfb-7d3f-11df-9c82-001185f0d2ea
OBJ: G6_PC_65000_KineticAndPotentialEnergy
TOP: Conservation of Mechanical Energy: Identify situations in which potential energy is
transformed into kinetic energy.
KEY: energy | conversion | form | potential | potential energy | kinetic | kinetic energy
MSC: IN g6_u3 Unit Test B | IN ISTEP+ style