Science TEKS

How does flipping a switch turn on a light?

• It creates a spark.

• It breaks an electrical circuit.

• It generates electricity.

• It completes an electrical circuit.

What kind of energy change occurs when a battery is operating a remote control toy?

• Heat energy is changed to light energy.

• Light energy is changed to heat energy.

• Potential energy is changed to kinetic energy.

• Kinetic energy is changed to chemical energy.

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NGSS.MS-PS3-5

student pushed a rock from the top of a hill.What type of energy change occurred after the rock was pushed?

• Heat energy was converted to potential energy.

• Electrical energy was converted to heat energy.

• Potential energy was converted to kinetic energy.

• Kinetic energy was converted to electrical energy.

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Cheese is put into a pot on a stove.Once the stove is turned on, which form of energy will cause the cheese to melt?

• heat

• Light

• Magnetic

• Mechanical

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Solar heating systems can heat pools much more efficiently than electric or gas pool heaters. A solar heating system transforms solar energy into

• heat energy.

• chemical energy

• mechanical energy

• radiant energy.

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A juggler tosses balls into the air as he juggles.Which form of energy is increasing as the balls travel up into the air

• kinetic energy

• thermal energy

• potential energy

• chemical energy

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The diagram below shows a normal fault.

The fault is formed by the release of

• electromagnetic energy.

• potential energy.

• chemical energy.

• heat energy.

What kind of energy conversion occurs after a candle is lit?

• friction to electrical energy

• light energy to heat energy

• mass to kinetic energy

• chemical energy to light energy

Panels of solar cells are used to collect energy from the Sun and convert it into energy for use in homes. Into what type of energy is the solar energy converted?

• chemical

• electrical

• geothermal

• hydroelectric

The energy stored in the bonds of a glucose molecule during photosynthesis is in what form?

• chemical

• electrical

• kinetic

• light

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