work and energy quiz
Authored by BRAM MOFFITT
Science
9th - 12th Grade
NGSS covered
Used 6+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of energy transformation happens in a flashlight?
electrical energy--->chemical energy---->light energy
chemical energy---->light and sound energy
chemical energy----> light and heat energy
electrical energy--->light and heat energy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the energy of the ball as it falls from point B to D?
the ball is losing potential energy and gaining kinetic energy
the ball is losing kinetic energy and gaining potential energy
the ball is only gaining chemical energy
the amount of kinetic and potential energy in the ball do not change
Tags
NGSS.MS-PS3-2
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Total energy = 200J
Useful energy = 20J
Workout the efficiency of this lightbulb.
100%
80%
40%
10%
Tags
NGSS.MS-PS3-3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Total energy = 350J
Useful energy = 70J
Workout the efficiency of this iphoneX.
100%
80%
40%
20%
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the efficiency of the machine if the input is 263 J and the output is 142 J?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for work?
W=(F)(d)
E=[(Wo)/(Wi)]x100
MA=(Of)/(If)
KE=(1/2)(m)(v^2)
Tags
NGSS.MS-PS3-5
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