
Evaluation: Conservation of Mechanical Energy
Authored by Parker Foster
Science
9th Grade
NGSS covered
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true of the conservation of energy in a closed system?
A. Kinetic energy is always conserved.
B. Potential energy is always conserved.
C. Mechanical energy is always conserved.
D. Total energy is always not conserved.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mechanical energy of a system of objects is...
A. the sum of kinetic energy and gravitational potential energy.
B. the sum of kinetic energy and elastic potential energy.
C. the sum of kinetic energy and all relevant forms of potential energy.
D. the sum of all forms of energy.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Mechanical energy is NOT conserved when...
A. gravitational potential energy is converted to kinetic energy.
B. kinetic energy is converted ONLY to gravitational potential energy.
C. kinetic energy is converted to JUST elastic potential energy.
D. friction is not negligible.
Tags
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which event illustrates the direct transformation of potential to kinetic energy?
A. A basketball player throw a flying ball.
B. A kalesa moves from rest.
C. Kathy’s arrow is released from its bow.
D. The spring mechanism of a toy is rotated until it locked.
Tags
NGSS.MS-PS3-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. If mechanical energy is conserved in a system, the energy at any point in time can be in the form of...
A. kinetic energy.
B. gravitational potential energy
C. elastic potential energy
D. all of the above
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