In science we use the word “Work” differently to how you might use it in your everyday life. ____ is the energy that is transferred to an ____. When a force is applied to the object. For example, you would do work on a dumbbell if you lifted it up, because you need to apply a ____ to lift the dumbbell. You would also be doing work if you walk up the stairs, you are lifting your weight ____ and weight is a force. Work is the ____ transferred by a force. Work done = force × ____ An energy change is when a system moves and there is a change in the way that energy is ____. For example, at the top of a drop, a roller coaster car has lots of energy in the ____ store, when the car goes down the drop, some of the energy changes to the ____ as the car ____ down the track. Some energy will also be ____ into the ____ because of the friction on the ____. Friction is a force that occurs when two objects are in ____ with each other and at least one of them is ____, this ____ kinetic energy to ____ Thermal energy is the energy store that ____ objects have. For example, when you rub your hands together they feel warmer because of the ____ between them.

Energy and Work

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