Wind turbines and windmills convert what energy to another?

Gravitational potential to electric

Which of the following is NOT an example of chemical energy?

A rock about to fall off a cliff

Heat transfers from an area of ____temperature to an area of ___ temperature.

It can travel high to low and low to high.

Transfer of energy by electromagnetic waves is called

infrared proton rays (sounds cool, but I made it up so don't pick this one)

The diagram above represents a thermometer. Which of the following best explains how the thermometer works?

Liquids expand when heated and contract when cooled.

Liquid changes to a gas when heated.

Gas changes to a liquid when heated.

Liquids contract when heated and expand when cooled.

Energy that is transferred from a warmer object to a cooler object.

The total kinetic and potential energy of all the particles in an object.

A measure of the average kinetic energy of the particles in a substance.

The heating of a substance that causes its particles to move more quickly.

The total kinetic and potential energy of all the particles in an object.

Energy that is transferred from a warmer object to a cooler object.

A measure of the average kinetic energy of the particles in a substance.

The heating of a substance that causes its particles to move more quickly.

In this example, explain the movement of thermal energy in the glass.

Heat is moving from the lemonade to the ice

Heat is moving from the lemonade to the glass

Cold is moving from the ice to the lemonade

Cold is moving from the ice to the glass

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

Chemical --> Mechanical --> Sound

Mechanical --> Chemical --> Sound

What is the energy transformation?

Chemical to Thermal and Electromagnetic (light)

Kinetic to Mechanical and Electrical

Electromagnetic to Chemical and Electrical

Which type of energy transformation occurs when a flashlight shines?

chemical → electrical → light

chemical → thermal → electrical

chemical → electrical → chemical

Which of the following statements describes the similarities between electric and magnetic fields?

Opposite charges and poles are always attracted to each other.

The field lines in both magnetic and electric fields are always straight.

Each charged particle and magnet have both a positive and negative side.

The potential energy increases as like charges or poles get farther apart.

How does the magnetic field protect life on Earth?

The magnetic field directs charged particles toward the poles and then past Earth.

The magnetic field directs charged particles toward the equator and then past Earth.

The magnetic field absorbs the charged particles coming from the sun.

The magnetic field directs charged particles toward the poles then absorbs them.

How does separating two magnets, as shown in the diagram, affect the energy in the system?

Separating the magnets increases potential energy.

Separating the magnets increases kinetic energy.

Separating the magnets decreases potential energy.

Separating the magnets decreases the electric energy.

Which of the following would NOT increase the magnitude of the electric force between the positively and negatively charged objects?

increasing the distance between the charged objects

increasing the amount of positive charges

increasing the amount of negative charges

decreasing the distance between the charged objects

What are the 3 basic components of a circuit?

Energy source, Load, Energy Pathway

Battery, Energy source, Energy Pathway

How are electromagnets different from magnets?

you can turn an electromagnet on/off

magnets have a North and South pole

Unit Test: Energy

Authored by Triston Pantone

Physics, Science, Other

7th Grade

130 Questions

NGSS covered

Used 13+ times

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Content View

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is being used?

electromagnetic

mechanical

thermal

sound

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is being used?

electromagnetic

mechanical

chemical (photosynthesis)

sound

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The purpose of the panels is to change solar energy into ____________.

light energy

electrical energy

chemical energy

mechanical energy

Tags

NGSS.HS-PS3-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to which law of energy, energy can't be created or destroyed?

First law of motion

The law of tacos

Laws of Energy

law of conservation of energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energy of motion is which type of energy?

Potential

Kinetic

Sound

Gravitational

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is in this picture?

Kinetic

Potential

Chemical

Sound

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When plants convert the sun's energy into food, which type of energy is it?

kinetic

chemical

thermal

radiant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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Unit Test: Energy

What type of energy is being used?

What type of energy is being used?

The purpose of the panels is to change solar energy into ____________.

According to which law of energy, energy can't be created or destroyed?

Energy of motion is which type of energy?

What type of energy is in this picture?

When plants convert the sun's energy into food, which type of energy is it?

A battery converts what type of energy to another?

The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?

Wind turbines and windmills convert what energy to another?

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