K – ____ H – ____ E – ____ L – ____ P – ____ -> Chemical, Elastic, Gravitational S - ____ Energy is the ability to do work. Energy cannot be created or destroyed, but it can be ____ from ____. Forms of energy include kinetic energy, potential energy, light energy, electrical energy, heat energy, and sound energy. A ____ object has kinetic energy due to its motion/movement. The ____ energy of a moving object depends on its ____ and speed. ____ energy refers to energy which is ____ in an object. The gravitational potential energy of an object above the ground depends on its mass and its ____. When an object drops from its height, or when a hammer falls onto a nail, the gravitational potential energy gets ____ into ____ energy. Chemical ____ energy is stored in any kind of food, fuel or battery. ____ energy from the Sun is converted to chemical potential energy in plants during ____. This energy is ____ to living things that eat the plants. ____ in devices and appliances have chemical potential energy which is ____ to ____ energy when the circuit is closed. The chemical potential energy in fuels is converted to light energy and ____ energy when they are burnt. An object which is stretched or compressed has elastic potential energy. Elastic potential energy is converted to ____ and sound energy when a compressed spring or stretched rubber band is released. When there is a flow of electric current in devices, they have ____ energy which can be ____ into many different forms of energy in different devices. Rubbing our hands together converts ____ energy to ____ energy. When guitar strings are plucked, the kinetic energy of the moving strings is converted into ____ energy. Sources of energy such as the Sun, running water and wind are ____, as they will not get used up. Energy from fuels can be used up and are ____ sources of energy.

P6 Science Review 2 - Forms and Uses of Energy

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