Unit 2 Review

Food is a form of this type of energy.

• Light energy
• Chemical energy
• Sound energy
• Thermal energy

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A device that converts electrical energy to light energy.

• A blender
• A light bulb
• A bycycle
• A balloon

Turning on the radio is what type of energy conversion?

• sound to light
• electrical to sound
• electrical to light
• light to electrical

A device that converts electrical energy and into thermal energy.

• A Battery
• A Hair Dryer
• A Bicycle
• Your Stomach

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4. A group of campers create a campfire by burning several wooden logs.  Which statement best describes the energy transformations that occur when the logs burn?

• Chemical energy from the wood is converted into light and heat energy.
• Heat energy from the logs is converted into chemical and light energy.
• Chemical energy from the air is converted into mechanical and light energy.
• Heat energy from the air is converted into mechanical and light energy.  

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When a pendulum swings, at which point is potential energy at its greatest?

• 2
• 3
• 4
• 5

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Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

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When plants convert the sun's energy into food, which type of energy is it?

• kinetic
• chemical
• thermal
• radiant

Tags

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What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Tags

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A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

Tags

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