Energy Quiz 1 Review

What is energy used for?

• To make things colder

• To make things move

• To stop machines from working

• To make things smaller

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What transformation takes place when a light bulb is switched on?

• Electrical energy is transformed into light and heat

• Kinetic energy is transformed into sound energy

• Elastic potential energy is converted into kinetic energy

• Gravitational potential energy is transformed into kinetic energy

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What transformation takes place when a match is struck?

• Kinetic energy and chemical energy are transformed into light and heat

• Electrical energy is transformed into heat

• Gravitational potential energy is transformed into kinetic energy

• Elastic potential energy is converted into kinetic energy

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What transformation takes place when a roller coaster rolls down the track?

• Gravitational potential energy is transformed into kinetic energy

• Kinetic energy is transformed into sound energy

• Elastic potential energy is converted into kinetic energy

• Electrical energy is transformed into heat

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Which type of energy is found in fossil fuels like gas and oil?

• raidant

• nuclear

• mechanical

• chemical

What kind of energy is represented in the picture?

• Thermal

• Chemical

• Sound

• Kinetic

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The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

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According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

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________ energy is the energy that is possessed by an object due to its motion or due to its position.

• Potential

• Radiant

• Mechanical

• Thermal

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A lamp that plugs into a wall socket draws energy, which flows through a thin wire in the bulb, causing it to heat up until it glows. What energy transformations are taking place?

• Chemical → light → electrical

• Mechanical → sound → light

• Thermal → solar → electrical

• Electrical → thermal → light

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