Electrical -> Mechanical -> Sound

A pencil sharpener plugged into a wall outlet

A triple beam balance measuring an object’s mass

A projector displaying a diagram on the screen

A working flashlight used to light up a dark corner

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

Mechanical to electrical to light

An iron heats up to iron clothes

potential energy to thermal energy

chemical energy to mechanical energy

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

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.

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

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

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

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?

mechanical to thermal to electrical

mechanical to chemical to sound

chemical to sound to electrical

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

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

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

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

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

Energy Transformations and Conservation

Authored by Charles Martinez

Science

6th - 9th Grade

NGSS covered

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22 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

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

Which energy transformation below matches?
A book falling?

chemical to sound and heat

kinetic to sound and heat

electrical to sound and heat

Which is an example of a single energy transformation?

A toaster converts electrical to thermal energy

A match converts mechanical to thermal to electromagnetic

A biker converts chemical to mechanical to thermal

A car converts chemical to thermal to mechanical

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of multiple energy transformations?

Your body transforms chemical to thermal

Your body transforms chemical to mechanical

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

a phone converts electrical to electromagnetic

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Chemical to light

Electrical to chemical

Electrical to light

Chemical to electrical

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Electrical to chemical to light

Sound to chemical to mechanical

Chemical to electrical to sound

Light to electrical to thermal

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Energy Transformations and Conservation

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

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Energy Transformations and Conservation

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

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Which energy transformation below matches?
A book falling?