A skier increases speed while skiing down a hill during a race. Which statements accurately describe the potential and kinetic energy of the skier?

Kinetic energy increases. Potential energy decreases.

Kinetic energy increases. Potential energy stays the same.

Kinetic energy stays the same. Potential energy increases.

Kinetic energy stays the same. Potential energy decreases.

The picture shows a boat that is powered by a rubber band. Which energy transformation occurs in this boat when it sails?

Kinetic energy stored in the rubber band is transformed into thermal energy used by the paddles.

Chemical energy stored in the rubber band is transformed into potential energy used by the paddles.

Potential energy stored in the rubber band is transformed into kinetic energy used by the paddles.

Thermal energy stored in the rubber band is transformed into chemical energy used by the paddles.

A lamp is plugged into a wall outlet. Which sentence explains what happens to the electric energy as the light shines?

The electric energy changes into light and heat energy and is not destroyed.

The electric energy is created again after it produces light and heat energy.

The electric energy changes into light and heat energy and is destroyed.

The electric energy gets used up.

The diagram shows how a steam engine in a train works. Which description of the energy conversions in the process is correct?

The chemical energy in the coal is converted to thermal energy, which is then converted to mechanical energy.

The electrical energy in the coal is converted to mechanical energy, which is then converted to thermal energy.

The mechanical energy in the coal is converted to electrical energy, which is then converted to thermal energy.

The thermal energy in the coal is converted to electrical energy, which is then converted to mechanical energy.

Which statement best describes the energy of a roller coaster as it slows down while traveling to the top of the coaster?

The coaster cart loses kinetic energy and gains potential energy.

The coaster cart gains both kinetic and potential energy.

The coaster cart gains kinetic energy and loses potential energy.

The coaster cart loses both kinetic and potential energy.

Which chemical transformation is occurring in the image?

electrical to mechanical (sound)

electrical to radiant and thermal

chemical to thermal and radiant

Select all that apply: Which of the following best represents the Law of Conservation of Energy?

Energy CAN be destroyed AND created

Which of the following best describes a "Claim"?

A statement that answers the question. It will usually only be one sentence in length. It does not include any explanation, so it should not include any transition words such as “because.”

The explanation of “why and how”. It should include an explanation of the underlying science concept that produced the evidence or data

Data used to support your answer to the question. It can be either quantitative or qualitive depending on the question and/or lab. This is information that is directly related to the answer to a question

What type of energy transformation occurrs in the image?

kinetic energy to electrical energy to light energy

kinetic energy to chemical energy to radiant energy

light energy to kinetic energy to electrical energy

kinetic energy to light energy to chemical energy

Why do water towers need to be so tall?

because increasing elevation also increases its gravitational potential energy

because they want everyone to see how cool the water tower looks

because it is required by the local government

because increasing its elevation decreases its gravitational potential energy

1st Quarter Practice Quiz

Authored by Yvette Haberlein

Science

7th Grade

NGSS covered

Used 25+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A type of force that applies a push or pull without physically touching the object.

Non-contact force

the dark force

Kinetic force

mega force

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Objects which apply forces on each other are said to interact with each other.

Non-contact force

Magnetic Force

Energy Transfer

Interaction

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The space surrounding an object where a non-contact force can be observed.

Field

Non-contact Force

Force of attraction

outer space

Tags

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A push or a pull on an object

force field

Force

Magnetic Energy

none of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The space around a magnet where certain objects experience a non-contact force.

Kinetic Field

Magnetic Field

Football Field

mine field

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When objects interact through a force, energy can be passed from one object to another.

transfiguration

Energy Transformation

Energy Transfer

Pizza

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When energy flows from one object to another, one type of energy can be changed into another type of energy

Energy transformation

Autobot Transformation

Electrical Transformation

Optimus Prime Transformation

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS1-4

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1st Quarter Practice Quiz

A type of force that applies a push or pull without physically touching the object.

Objects which apply forces on each other are said to interact with each other.

The space surrounding an object where a non-contact force can be observed.

A push or a pull on an object

The space around a magnet where certain objects experience a non-contact force.

When objects interact through a force, energy can be passed from one object to another.

When energy flows from one object to another, one type of energy can be changed into another type of energy

A modeling idea where you look at a snapshot in time.

A machine that converts kinetic energy into electrical energy.

The type of energy that can cause LEDs to give off light, stoves to heat up, and motors to spin

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