16-3 Energy Transformations and Conservation

An energy transformation ____________.

• states that energy cannot be created or destroyed

• is a change from one form of energy to another

• can only occur in sunny weather

• can only occur when changing kinetic to potential energy

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Law of conservation of energy states _______________________

• it's a change from one form of energy to another

• that matter cannot be created only

• that energy cannot be created or destroyed

• you can create energy by burning petroleum

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Who suggested that energy can be created under certain conditions?

• Albert Einstein

• J. Joules

• Isaac Newton

• Christopher Columbus

Energy transformation using friction to warm your hands on a cold day. (order is important)

• thermal to mechanical

• chemical to mechanical

• nuclear to mechanical

• mechanical to thermal

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Niagara Falls, when the water reaches the edge and goes over the falls, is an example of what type of energy transformation?

• Potential energy to kinetic energy

• Nuclear energy to electrical energy

• Chemical Energy to potential energy

• kinetic energy to potential energy

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As the orange reaches it's highest point, what type of energy decreases?

• potential energy

• thermal energy

• kinetic energy

• chemical energy

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Type of conversion that takes place when natural gas is used to heat water

• Mechanical energy to Thermal energy

• Chemical energy to Thermal energy

• chemical energy to kinetic energy

• kinetic energy to potential energy

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A light bulb converts which forms of energy? (Remember, order is important)

• electrical energy to electromagnetic energy

• thermal energy to potential energy

• potential energy to chemical energy

• electromagnetic energy to electric energy

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A pole-vaulter's next energy transformation from kinetic energy is to which form of energy?

• chemical energy

• kinetic energy

• Elastic potential energy

• mechanical energy

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Which is an example of multiple transformations?

• Toaster

• Use of food in our bodies.

• Rubbing your hands together

• Energy transformations in a car's engine

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