Quiz about Energy Transformation and Law of Conservation of Energy

Question 1

The Law of Conservation of Energy states:

Accepted Answer

Energy cannot be created or destroyed, it can only transformed

Answer

Energy can created or destroyed but not transformed

Answer

Energy can't be created, destroyed or transformed

Question 2

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?

Accepted Answer

The total amount of energy is conserved

Answer

The total amount of energy is less after a reaction

Answer

The total amount of energy is more after a reaction

Question 3

Which energy transformation below matches?
A book falling?

Accepted Answer

kinetic to sound and heat

Answer

chemical to sound and heat

Answer

electrical to sound and heat

Question 4

Which is an example of a single energy transformation?

Accepted Answer

A toaster converts electrical to thermal energy

Answer

A match converts mechanical to thermal to electromagnetic

Answer

A biker converts chemical to mechanical to thermal

Answer

A car converts chemical to thermal to mechanical

Question 5

What is an example of multiple energy transformations?

Accepted Answer

a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light

Answer

Your body transforms chemical to thermal

Answer

Your body transforms chemical to mechanical

Answer

a phone converts electrical to electromagnetic

Question 6

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

Accepted Answer

Electrical to light

Answer

Chemical to light

Answer

Electrical to chemical

Answer

Chemical to electrical

Question 7

What energy transformations take place when a battery-operated radio is in use?

Accepted Answer

Chemical to electrical to sound

Answer

Electrical to chemical to light

Answer

Sound to chemical to mechanical

Answer

Light to electrical to thermal

Question 8

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

Accepted Answer

chemical

Answer

radiant

Answer

light

Answer

heat

Question 9

When electrical energy flows through a light-bulb it creates ___

Accepted Answer

heat and radiant energy

Answer

heat energy only

Answer

radiant energy only

Answer

motion energy

Question 10

When you plug in an iron, electrical energy is transformed into ______ energy

Accepted Answer

thermal (heat)

Answer

sound

Answer

mechanical

Answer

radiant

Question 11

When a construction worker hits a hammer into plank of wood, the mechanical energy from the hit becomes _____ energy

Accepted Answer

heat and sound

Answer

radiant

Answer

electical

Answer

chemical

Question 12

The hand generator works by turning the handle which lights up the bulb. What energy transformation occurs as the handle is turned?

Accepted Answer

Mechanical to electrical to light

Answer

Thermal to electrical

Answer

Electrical to mechanical

Answer

Light to electrical

Question 13

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

Accepted Answer

Electrical to light

Answer

Chemical to light

Answer

Electrical to chemical

Answer

Chemical to electrical

Question 14

The light bulb converts electrical energy into light and _________.

Accepted Answer

heat

Answer

chemical

Answer

electromagnetic

Answer

nuclear

Question 15

An iron heats up to iron clothes

Accepted Answer

eletrical to thermal energy

Answer

potential to kinetic energy

Answer

potential energy to thermal energy

Answer

chemical energy to mechanical energy

Question 16

Which of the following statements most accurately describes how a ipod is able to play music after it has been plugged in?

Accepted Answer

The electrical energy from the outlet is transformed to chemical energy and then to sound and light energy when the ipod is used to play music.

Answer

The ipod is able to play music because it is using up the electrical energy from the wall.

Answer

The electrical energy is transferred from the wall allowing the ipod to make sound energy as music.

Answer

The ipod is able to play music because the outlet is creating electrical energy that is transformed to sound energy.

Question 17

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?

Accepted Answer

chemical to mechanical to thermal

Answer

mechanical to thermal to electrical

Answer

mechanical to chemical to sound

Answer

chemical to sound to electrical

Question 18

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

Accepted Answer

chemical

Answer

radiant

Answer

light

Answer

heat

Question 19

In energy transformations, "wasted energy" usually takes what form?

Accepted Answer

heat

Answer

chemical energy

Answer

light

Answer

sound waves

Question 20

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

Accepted Answer

The chemical energy stored in the match changed to thermal energy and light energy.

Answer

The thermal energy stored in the match changed to light energy and chemical energy.

Answer

The light energy and thermal energy stored in the match changed to mechanical energy.

Answer

The light energy and thermal energy stored in the match changed to chemical energy.

Energy Transformation and Law of Conservation of Energy

22 questions

The Law of Conservation of Energy states:

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?

Which energy transformation below matches?
A book falling?

Which is an example of a single energy transformation?

What is an example of multiple energy transformations?

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

What energy transformations take place when a battery-operated radio is in use?

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

When electrical energy flows through a light-bulb it creates ___

When you plug in an iron, electrical energy is transformed into ______ energy

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Energy Transformation and Law of Conservation of Energy

22 questions

The Law of Conservation of Energy states:

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?

Which energy transformation below matches?A book falling?

Which is an example of a single energy transformation?

What is an example of multiple energy transformations?

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

What energy transformations take place when a battery-operated radio is in use?

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

When electrical energy flows through a light-bulb it creates ___

When you plug in an iron, electrical energy is transformed into ______ energy

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Similar Resources on Wayground

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Which energy transformation below matches?
A book falling?