Acap Science

Which material is the best conductor of electricity?

• Aluminum wire

• Copper wire

• Plastic

• Rubber

What is evidence of energy transfer in a ramp system?

• The ball rolls down the ramp.

• The ramp is made of wood.

• The ball is stationary at the top.

• The ramp is painted blue.

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What is electrical energy?

• Energy caused by the movement of electrons.

• Energy stored in chemical bonds.

• Energy produced by nuclear reactions.

• Energy derived from solar radiation.

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What is the role of gravity in energy systems?

• Gravity has no effect on energy systems.

• Gravity can cause objects to move, which can generate energy.

• Gravity only affects large celestial bodies.

• Gravity is a form of energy itself.

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What is wind energy?

• Energy generated from the movement of air.

• Energy produced by solar panels.

• Energy derived from fossil fuels.

• Energy created by geothermal sources.

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What is the definition of energy transfer?

• The process of energy moving from one place or object to another.

• The ability to do work or cause change.

• The total amount of energy in a closed system.

• The conversion of energy from one form to another.

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What is an insulator?

• A material that allows electricity to flow through it easily.

• A material that does not allow electricity to flow through it easily.

• A material that can conduct electricity under certain conditions.

• A material that is used to store electrical energy.

What is hydroelectric energy?

• Electricity produced using the energy of falling water.

• Electricity generated from solar panels.

• Electricity derived from wind turbines.

• Electricity created by burning fossil fuels.

What is the energy source for a system that uses gravity?

• Friction

• Magnetism

• Gravity

• Electricity

What is solar energy?

• Energy from the sun that can be converted into electricity.

• Energy generated from wind turbines.

• Energy produced by burning fossil fuels.

• Energy harnessed from geothermal sources.

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