Science test
chemical energy
Energy exists in all different forms. Which of these forms of energy is stored in food?
When the baseball is rising
Gordon throw a baseball into the air. It rises, stops when it reaches its greatest height, and then falls back to the ground. At what poInt does kinetic energy convert to to potential energy
By adding potential energy and kinetic energy
How is mechanical energy calculated?
rock 3
Three rocks are rolling down a hill at the same speed. Rock 1 has a mass of 1kg; rock 2 has a mass of 1.5 kg, and rock 3 has a mass of 3 kg. Which rock has the most kinetic energy.
chemical
What type of energy is stored in batteries?
Work is a measure of how much energy a force transfers.
Which describes energy and work?
thermal energy
Which form of energy is due to the motion of an object's particles?
A person walking up a hill
Which of these is an example of the conversion of kinetic energy into gravitational potential energy?
Energy cannot be created or destroyed, but it can be transformed and transferred.
Which statement is true of energy?
kinetic energy
_ is energy in motion
nuclear energy
_is the potential energy stored in the nucleus of an atom. Ex: The energy given off by the sun.
work
f x d / The unit of work is joules (J).
pontenial energy
is energy that is stored.
sound energy
is kinetic energy caused by the vibration of particles in a medium, such as steel, water or air
electrical energy
is kinetic energy of moving electrical charges. Electrical energy can occur in nature in the form of lightning and smaller static electrical shocks.
Energy
is the ability to do work or to cause changes in matter.
Electromagnetic energy
is the kinetic energy of electromagnetic waves, which include visible light, x-rays and microwaves
chemical energy
is the potential energy stored in the chemical bonds of substances. Ex: batteries, fuels and matches
elastic energy
is the potential energy stored in the chemical bonds of substances. Ex: batteries, fuels and matches
mechanical energy
is the sum of the object's kinetic and potential energy.
thermal energy
is the total kinetic energy of all the particles that make up an object.
Work
is the transfer of energy to an object by a force that causes the object to move in the direction of that force.
Gravitational potential energy
.. Which term describes the energy that is stored due to the height of an object about the ground?