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Questions and Answers
One joule is the amount of energy needed to move a one kilogram mass using one newton of force over a distance of two meters.
One joule is the amount of energy needed to move a one kilogram mass using one newton of force over a distance of two meters.
False (B)
Energy can be created or destroyed according to the law of conservation of energy.
Energy can be created or destroyed according to the law of conservation of energy.
False (B)
The Big Bang was a massive explosion that happened around fourteen million years ago.
The Big Bang was a massive explosion that happened around fourteen million years ago.
False (B)
Matter and energy are the two components that make up the universe according to the text.
Matter and energy are the two components that make up the universe according to the text.
Energy can only be transferred from one object or system to another, but not created.
Energy can only be transferred from one object or system to another, but not created.
Kinetic energy is the energy an object has because of its position or shape.
Kinetic energy is the energy an object has because of its position or shape.
Potential energy is stored energy.
Potential energy is stored energy.
A rock balanced on top of a mountain has kinetic energy.
A rock balanced on top of a mountain has kinetic energy.
Work is calculated by the amount of force on the object divided by the distance it travels.
Work is calculated by the amount of force on the object divided by the distance it travels.
Energy transfer always results in no loss of energy.
Energy transfer always results in no loss of energy.
A light bulb uses most of the electrical energy to give off light.
A light bulb uses most of the electrical energy to give off light.
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