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WorksheetsEnergy, Work, Simple Machine Review
Total questions: 10
Worksheet time: 10mins
Steven threw four balls into the air and recorded their heights. See the chart. Which describes their motion?
Ball N went one meter higher than Ball O.
Ball P went one meter higher than Ball M.
Ball P went twice as high as Ball O.
Ball M went twice as high as Ball O.
Which type of energy do plants convert solar energy into?
chemical
nuclear
thermal
gravitational
Which of the following describes simple machines?
Tools which make work harder
Tools which make work easier
Tools which decrease the actual mass of the object
Tools which increase the actual mass of the object
As a roller coaster car travels down a hill, which type of change in energy allows it to speed up?
potential energy changing into heat energy
potential energy changing into kinetic energy
kinetic energy changing into heat energy
kinetic energy changing into potential energy
As which of the following do batteries for a watch store energy?
Mechanical
Solar
Nuclear
Chemical
The diagram shows a 21.7-kg ball located on a shelf 1.6 m above the ground. Which best describes the energy of the ball?
Its energy is lost once it falls off the shelf.
Its energy depends upon the speed the ball will travel.
It has mechanical energy in the form of potential energy.
It has mechanical energy in the form of kinetic energy.
Into which form of energy does a car’s engine convert from chemical energy (gasoline)?
Light
Wind
Mechanical
Gravitational
Which of the following states that when one form of energy is converted to another, no energy is destroyed?
Law of Newton
Law of Mercedes
Law of conservation of matter
Law of conservation of energy
Calculate the WORK. Amy uses 30N of force to push a lawn mower 10 meters. How much work does she do?
30J
300J
3J
40J
How much work does an elephant do while moving a circus wagon 30 meters with a pulling force of 300N?
10J
900J
9000J
330J
