Energy Transformation

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

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NGSS.MS-PS3-5

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The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound.
• electrical energy to thermal to light.
• sound energy to electrical to chemical.
• mechanical energy to electrical to sound.

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound
• Thermal, chemical, and solar
• Sound, mechanical, and electrical
• Light, chemical, and mechanical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical to thermal
• light to chemical
• thermal to light
• chemical to electrical

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The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• solar
• light
• thermal
• mechanical

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what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

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NGSS.MS-PS3-4

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

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NGSS.MS-PS3-3

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

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