A person is using 40J of energy to rub their hands together on a cold day. The friction between the hands is helping to create the conversion of what two types of energy?

Kinetic Energy is transformed into Thermal Energy

Potential Energy is transformed into Thermal Energy

Potential Energy is transformed into Electromagnetic Radiation

Kinetic Energy is transformed into Magnetic Energy

Which two statements are true about the energy involved in burning the candle?

The total amount of all types of energy is conserved when the candle burns.

The total chemical energy equals the electromagnetic (radiant energy) and thermal energy released when the candle burns.

Chemical energy is created from electromagnetic radiation (radiant energy) when the candle burns.

Thermal and chemical energy are destroyed by the electromagnetic radiation (radiant energy) then the candle burns.

Which statement is true?

Potential energy is converted to kinetic energy as a stationary object begins to move.

Kinetic energy is converted to potential energy as a stationary object begins to move.

A stretched rubber band stores no energy.

An object's mass has no effect on its potential energy.

Which of the following flow diagrams best represents energy transfer when eating lunch and then walking to your class?

chemical -> mechanical -> thermal

electrical -> light -> thermal energy

electrical -> chemical -> thermal energy

kinetic -> chemical -> mechanical energy

Which statement best shows all the energy transformations that take place in the burning of wood for a camp fire?

Chemical to Thermal and Electromagnetic/Radiant

Chemical and Radiant to Thermal

Which statement most accurately describes energy?

The capacity to perform work or cause change.

Dependent on the mass of an object.

Limited to mechanical motion only.

A tangible substance you can hold.

Which statement best describes the law of conservation of energy?

Energy cannot be created or destroyed.

Energy can be created or destroyed.

Energy is always increasing in a system.

Energy transforms without loss in all cases.

In a closed system, if energy is transformed, what happens to the total energy?

Energy can disappear altogether in the system.

Total energy decreases with each transformation.

Total energy increases over time.

In which scenarios does the law of conservation of energy apply?

A pendulum swinging back and forth.

A roller coaster transforming potential energy to kinetic energy.

Friction causing energy loss in a moving object.

Energy disappearing when a light bulb is turned off.

Which of these best illustrates the law of conservation of energy?

When a log burns, chemical energy contained in the log is transformed into heat and light energy.

When a log burns, the matter in the log turns to ash.

Energy is lost as a result of friction between moving parts.

The amount of water stays the same as a puddle of water evaporates.

The car shown above uses three different forms of energy. Which of the following identifies the energy transformation represented by the car? (6.9C)

radiant →electrical →mechanical

mechanical →chemical →electrical

chemical →electrical →mechanical

electrical →radiant →chemical

Marina is using a metal spoon to stir her soup. Why does the spoon feel warm?

Heat energy from the soup is transferred to the spoon.

Stirring creates heat energy in the spoon.

Marina’s hand warms the spoon she is holding.

Heat energy from the spoon is transferred to the soup.

A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

elastic potential energy; kinetic energy

potential energy; mechanical energy

gravitational potential energy; kinetic energy

elastic kinetic energy; mechanical kinetic energy

Forms of Energy Assessment Review

Authored by Jennie Peeler

Science

7th Grade

NGSS covered

Used 27+ times

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This type of energy is stored in the bonds of atoms and molecules. A battery is an example of this form of stored energy.

chemical energy

thermal energy

radiant energy

electric energy

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This type of energy is heat energy and refers to the motion of particles. The more motion the particles have the more of this energy is present.

radiant energy

nuclear energy

gravitational energy

thermal energy

This energy is stored in the nucleus of an atom; this energy holds the nucleus together. When the atom split, large amounts of energy are released.

chemical energy

thermal energy

nuclear energy

gravitational energy

This energy is when electricity creates motion, light, or heat. This form of energy is created from the motion of electrons.

thermal energy

mechanical energy

nuclear energy

electrical energy

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This type of energy is know as light energy that travels in waves in a straight path as a form of electromagnetic radiation. An example of this energy is sunlight.

thermal energy

radiant energy

nuclear energy

electric energy

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Based on the Law of Conservation of Energy, if the wrecking ball has a current potential energy of 149.5 KJ, without friction, how much energy will be transferred to the wall upon contact?

0 KJ

74.75 KJ

149.5 KJ

299 KJ

Which is not a factor of mechanical energy?

Texture

Motion

Position

Shape

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Forms of Energy Assessment Review

This type of energy is stored in the bonds of atoms and molecules. A battery is an example of this form of stored energy.

This type of energy is heat energy and refers to the motion of particles. The more motion the particles have the more of this energy is present.

This energy is stored in the nucleus of an atom; this energy holds the nucleus together. When the atom split, large amounts of energy are released.

This energy is when electricity creates motion, light, or heat. This form of energy is created from the motion of electrons.

This type of energy is know as light energy that travels in waves in a straight path as a form of electromagnetic radiation. An example of this energy is sunlight.

Based on the Law of Conservation of Energy, if the wrecking ball has a current potential energy of 149.5 KJ, without friction, how much energy will be transferred to the wall upon contact?

Which is not a factor of mechanical energy?

Which type of nuclear energy involves the nuclei splitting?

Does more particle movement increase or decrease the amount of thermal energy in an object?

A person is using 40J of energy to rub their hands together on a cold day. The friction between the hands is helping to create the conversion of what two types of energy?

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