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Energy in general

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Country Flag New Zealand

Date Shared: 4 September 2022

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The energy needed to make a car move along a level, horizontal road, to launch a rocket into outer space and to operate a small calculator is converted from:
chemical energy
Match the pairs below: Name a device or other object whose major purpose is to convert
chemical energy into kinetic energy → car , chemical energy into light energy → torch, elastic potential energy into kinetic energy. → trampoline
Energy stored in the bonds between atoms is called
chemical energy.
What do solar panels convert radiant energy into?
Electrical energy
Which form of energy does a plant store when light is transformed during photosynthesis?
chemical energy
A football player running for a touchdown exemplifies .
mechanical energy
Any energy that is stored is called energy.
potential
Friction causes kinetic energy to be converted into
thermal energy
The energy possessed by matter due to its motion is
kinetic energy
Thermal energy ALWAYS moves from warmer to cooler objects.
True
Match the pairs below:
Stored energy that an object has because of its position → potential energy, The ability to make something move → mechanical energy, The change of an object's position → motion, Energy that an object has because of its motion → kinetic energy
An object that has kinetic energy must be
in motion.
A wagon sitting at the top of a hill is an example of energy, which is stored energy.
potential
An example of potential energy is
a rock sitting on top of a hill.
When is the potential energy the greatest in a roller coaster?
at the top of the first hill
Which statement correctly compares the potential energy of the balls?
B has less potential energy than A.
At what point in a waterfall do the drops of water contain the most gravitational potential energy?
At the top before they start falling
An airplane is slowing down and flying lower as it prepares to land at an airport. Which statement best describes the energy of the airplane?
The kinetic energy decreases and the potential energy decreases.
An example of the conversion of gravitational potential energy into kinetic energy is
a falling raindrop
Which is an example of kinetic energy?
walking

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4 September 2022

crillstone Author Country Flag

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