Forces at a Distance

In which part of a magnet is the magnetic force strongest?

• In the Center

• At the Poles

• In the middle

• At the North Pole only

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NGSS.MS-PS2-3

What does this image show?

• Parallel circuit

• Series circuit

• Magnet

• Electromagnet

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What will happen when two opposite poles of magnets are put together?

• They attract each other

• They repel each other

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Name the missing force....

• weight force

• normal force

• frictional force

• tension force

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Match the following forces to how they are working on the cake.

• the force the table is putting on the cake

• gravity

• attraction of the cake to the table

• friction

• cake plate rubbing on table

• normal force

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6-8.AG.7.1

Taking air out from between two magnets takes away the magnetic field.

• True

• False

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NGSS.MS-PS2-5

What direction does the magnetic force point?

• Out of north, into south

• Out of south, into north

• Out of north and south

• It has no direction

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How is magnet used in the picture?

• hold objects

• show direction

• produces movements

• lift heavy objects

Potential energy is stored within the magnetic field and is transferred to the magnets. When the magnets move, this is _________ energy.

• Magnetic

• Kinetic

• Plain ol' energy

• Force

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A junkyard crane uses an electromagnet to lift scrap iron. Which of the following statements in NOT true when the crane is lifting the iron?

• The magnetic field of the copper coil repels the scrap iron.

• The magnetic field of the copper coil attracts the scrap iron.

• Electric current flows through a copper coil in the electromagnet.

• The crane is providing an electric current.

Tags

NGSS.MS-PS2-3