Cutting a bar magnet in TWO will

Create two magnets, each with both poles

Destroy the magnetic properties since the poles are separated

Create two magnets, each with only one pole

In a step-up transformer, the number of turns in the wire is greater in the _____ coil than in the _____ coil, and the _____ voltage exceeds the _____ voltage.

Secondary, primary, output, input

Secondary, primary, input, output

Primary, secondary, input, output

Primary, secondary, output, input

The function of a generator is to __________.

Change mechanical energy to electrical energy

Change electrical energy to chemical energy

Change chemical energy to electrical energy

Change electrical energy to mechanical energy

The function of an electric motor is to __________.

Change electrical energy to mechanical energy

Change electrical energy to chemical energy

Change chemical energy to electrical energy

Change mechanical energy to electrical energy

The BEST way to increase the strength of an electromagnet would be to

Increase the number of wire coils and the size of the battery

Decrease the mass of object the electromagnet will be used on

Increase the size of the battery and the amount of wire

What kind of objects have inertia?

Only objects whose motion is being changed

After a cannonball is fired into frictionless space, the amount of force needed to keep it equals

Twice the force with which it was fired

The same amount of force with which it was fired

Where is Earth's magnetic force the strongest?

The force is equal at both poles.

Science Test Review 1

Authored by Brittnie Bollinger

Science

9th Grade

NGSS covered

Used 3+ times

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99 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The difference between the initial, or starting, position and the final position.

Newton’s second law of motion

Newton’s third law of motion

Net force

Displacement

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two magnets with north poles facing each other, they will _____.

Attract

Repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two magnets with opposite poles facing each other, they will _____.

Attract

Repel

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A copper coin can be a magnet.

True

False

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A steel key can be a magnet.

True

False

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thermal energy is measured in __________.

Joules

Tags

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is not a simple machine?

Pulley

Wedge

Lever

Fan

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Science Test Review 1

The difference between the initial, or starting, position and the final position.

Two magnets with north poles facing each other, they will _____.

Two magnets with opposite poles facing each other, they will _____.

A copper coin can be a magnet.

A steel key can be a magnet.

Thermal energy is measured in __________.

Which is not a simple machine?

You stir hot stew with a spoon. The handle of the metal spoon gets hot.

The acceleration of an object is equal to the net force exerted on the object divided by the object’s mass.

When an object applies a force on another object, the second object applies a force of the same strength on the first object, but the force is in the opposite direction.

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