In conduction heat moves from ...........

from one end of an object to another

Which of the following is a correct description for solids?

Particles are closely packed and vibrate.

Particles are closely packed and do not move.

Particles can move around each other.

Which of the following statements about the particle of a gas is true ?

The particles of a gas are far apart and move in all directions.

The particles of a gas vibrate and are packed closely together.

The particles of a gas do not move.

Look at this image. Which object has the LOWEST density in water ? How ?

The Ping Pong Ball because it floats to the top

The bolt because it has sunk to the bottom

The soda cap because it is not just full of air like the Ping Pong ball

The amount of substance packed into a given space.

The amount of a space a substance takes up.

The amount of matter in a substance.

The volume of a substance divided by the space it takes up.

What type of energy transformation occurs when a piece of wood burns?

Stored chemical energy is released as thermal energy

Electrical energy is released as radiant energy

Mechanical energy is stored as chemical energy

Which of the following is an example of a change of kinetic energy into gravitational potential energy?

a person parachuting out of a plane

a car racing around an oval track

What is nuclear energy?

Energy in the nucleus of an atom

Energy in the particles of an object

Energy that is carried by electromagnetic waves

Which type of energy transformation occurs when a flashlight shines?

chemical → electrical → light

chemical → thermal → electrical

chemical → electrical → chemical

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?

mechanical → electrical → light

electrical → light → mechanical

chemical → mechanical → electrical

mechanical → chemical → light

The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?

mechanical → electrical → light

electrical → mechanical → light

Science Release Test

Authored by Charles Martinez

Science

7th Grade

NGSS covered

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87 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the change of state from a solid straight to a gas called?

melting

evaporating

freezing

sublimation

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Put the liquids in order from most dense to least dense?

4, 3, 2, 1

1, 2, 3, 4

3, 4, 2, 1,

4, 3, 1, 2

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a Solid?

Matter that has a definite shape and a definite size.

Matter that has a definite size and no definite shape

Matter that has no definite shape or size

Matter that has no definite shape and size

MULTIPLE CHOICE QUESTION

1 min • 12 pts

At which point is potential energy greatest?

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ice Melting is an example of.......

A liquid turning into a gas

A solid turning into a liquid

Gas turning into a liquid.

A ssolid turning into a liquid

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which has particles that travel faster?

gas

solid

liquid

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which characteristic is included in the particle theory of matter?

All matter is made up of tiny particles

All particles in a pure substance are the same

Particles are always moving

All of the above

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Science Release Test

What is the change of state from a solid straight to a gas called?

Put the liquids in order from most dense to least dense?

What is a Solid?

At which point is potential energy greatest?

Ice Melting is an example of.......

Which has particles that travel faster?

Which characteristic is included in the particle theory of matter?

Conductors...

What type of heat transfer moves heat in liquids?

What physical change does this model represent?

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Popular Resources on Wayground

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