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Worksheets15.1 - 15.2 Energy and Conservation Quiz
Total questions: 15
Worksheet time: 8mins
Mechanical Energy is
equal to the sum of Potential Energy and Kinetic Energy
equal to the difference of Potential and Kinetic Energy
equal to the output of a motor
equal to mass times gravity times the height of an object.
What is the Potential energy of a 2000 kg car at 20 meters above the ground?
3920 J
392,000 Kelvin
392,000 J
3920 Kelvin
Work is a transfer of
Energy
force
mass
motion
The energy of motion is called
Kinetic Energy
Potential Energy
Thermal Energy
Work
Kinetic energy of any moving object depends on its ______ and ______
weight and height
mass and speed
gravity and height
mass and gravity
An example of Nuclear Energy is
the sun
electricity
light
a speeding train
The law of conservation of energy states that energy can not be ___________ or ____________
created, forced
large, small
expanded, shrunk
created, destroyed
Energy of an object that is stretched or compressed is
Gravitational Potential Energy
Elastic Potential Energy
Thermal Energy
Chemical Energy
When energy changes from one form to another, the total energy remains unchanged even though many energy conversions may occur.
True
False
A small 30 kg canoe is floating downriver at a speed of 2 m/s. What is the canoe's kinetic energy?
32 J
60 J
120 J
900 J
A 4 Kg cat is resting on top of a bookshelf that is 2 meters high. What is the cat's gravitational potential energy relative to the floor.
6 J
8 J
20 J
78 J
The energy stored in gasoline is
chemical energy
electric energy
nuclear energy
thermal energy
Solar cells convert what type of energy into electrical energy?
Chemical
Electromagnetic
Nuclear
Thermal
E = mc2 was discovered by ___________________
Einstein
Kepler
Newton
Galileo
The equations E = mc2 relates
energy and
force
gravity
mass
work
