Quiz Energy and enegy resources

hard

Question 1 / 15

What is energy?

The ability to cause a reaction

A postive pull on an objet

The ability to cause change

All above

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Question 2 / 15

What are some examples of energy?

Light

Sound

Change in postion and motion

All above

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Question 3 / 15

Kinetic energy (KE) depends on the what of an object?

Speed and energy

Speed and mass

Weight and gravity

All above

medium

Question 4 / 15

What is potential energy (PE)?

Stored energy

Elastic enrgy

Gravitational energy

All above

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Question 5 / 15

What forms of PE are there?

Elastic energy

Gravitational energy

Chemical energy

All above

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Question 6 / 15

When an object falls what increases? When it rises what decreases?

KE increases at fall and increases at rise

PE increases at rise KE increases at fall

Pe and ke are always decreasing

None of the above

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Question 7 / 15

What does work mean?

Energy due to motiion

Interactions between objects or particles

Transfer of energy that occurs when a force is applied over a distance

All above

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Question 8 / 15

What is mechanical (m), sound (s) and thermal energy (t)?

M is the enrgy due to electric current, s is energy sound carries and t is electromagenetic waves

M is the total energy of an object due to large scale motions and interactions, s is electric currents and t is energy due to the motion of particles that make up an object

M is the total energy of an object due to large scale motions and interactions s is energy sound carries and t is energy due to the motion of particles that make up an object

None of the above

hard

Question 9 / 15

What is electric (e), radiant (r) and nuclear energy (n)?

E is the energy that an electric current carries r is energy stored in the nucleus of the atom, and n is the energy electromagenetic waves carry

E the energy electromagenetic waves carry r is the energy that an electric current carries n is energy stored in the nucleus of the atom

E is the energy that an electric current carries, r the energy electromagenetic waves carry n is energy stored in the nucleus of the atom

None

expert

Question 10 / 15

What is the equation for total energy?

Total energy=PE-KE

PE+KE=total energy

Total energy =KE+PE

All of the above

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Question 11 / 15

Law conservation of energy cannot be what?

Created or destroyed

Created

Distroyed

All of the above

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Question 12 / 15

What is friction?

Is a force that resists the movment of 3 objects

Is a force that resists the sliding of 2 surfaces that are not touching

Is a force that resists the sliding of 2 surfaces that are touching

None of the above

hard

Question 13 / 15

How can you reduce friction?

Lubricants

Pushing a brake on something

Slowing down

All of the above

expert

Question 14 / 15

Solve the blanks - when a boy is skating KE is ____ and thermal energy was_.
as he applied his brake KE was___and thermal energy was _
when he stopped KE was _ and thermal energy was __
all times, total energy=+energy

High, low, decreasing, increasing, low, high, KE, thermal

Low, high, increasing, increasing, low, high, PE, KE

High, low, low, high, increasing, decreasing, KE, thermal

All of the above

expert

Question 15 / 15

What is waste energy?

Caused by friction and takes form of electric energy

Caused by friction and takes form of thermal energy

Caused by friction and takes form of mechanical energy

Caused by friction and takes form of radiant energy

A mistake in this Quiz ? Contact the author

Quiz Energy and enegy resources

What is energy?

What are some examples of energy?

Kinetic energy (KE) depends on the what of an object?

What is potential energy (PE)?

What forms of PE are there?

When an object falls what increases? When it rises what decreases?

What does work mean?

What is mechanical (m), sound (s) and thermal energy (t)?

What is electric (e), radiant (r) and nuclear energy (n)?

What is the equation for total energy?

Law conservation of energy cannot be what?

What is friction?

How can you reduce friction?

Solve the blanks - when a boy is skating KE is ____ and thermal energy was_.
as he applied his brake KE was___and thermal energy was _
when he stopped KE was _ and thermal energy was __
all times, total energy=+energy

What is waste energy?

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What is energy?

What are some examples of energy?

Kinetic energy (KE) depends on the what of an object?

What is potential energy (PE)?

What forms of PE are there?

When an object falls what increases? When it rises what decreases?

What does work mean?

What is mechanical (m), sound (s) and thermal energy (t)?

What is electric (e), radiant (r) and nuclear energy (n)?

What is the equation for total energy?

Law conservation of energy cannot be what?

What is friction?

How can you reduce friction?

Solve the blanks - when a boy is skating KE is ________ and thermal energy was_______. as he applied his brake KE was_________and thermal energy was _________ when he stopped KE was _______ and thermal energy was ____________ all times, total energy=____+________energy

What is waste energy?

Solve the blanks - when a boy is skating KE is ____ and thermal energy was_.
as he applied his brake KE was___and thermal energy was _
when he stopped KE was _ and thermal energy was __
all times, total energy=+energy