Conductors are materials that...

Allow heat or electricity to pass through

Stop heat or electricity from passing through

Why is electrical wiring usually covered with a layer of plastic?

To help electricity flow along the wire

To reduce the amount of electricity that flow in the circuit

The above diagram shows an investigation to study a property of materials. After heating the rod at end A, the drawing pin at end B of the metal rod drops earlier than the glass rod. What conclusion can be drawn from this investigation?

The metal rod is a better conductor of heat than a glass rod.

All materials conduct heat equally well.

The metal rod can conduct electricity.

The metal rod is a better insulator of heat.

Materials that transfer energy.

Material that does NOT transfer energy.

Materials that are connected to circuits.

This girl is wearing pink wool earmuffs to keep her ears warm in the snowy weather. Differentiate between conductors and insulators. How does the wool affect heat transfer? (wool is a type of fabric)

The wool is an insulator that keep the girl's ears from loosing heat.

The wool is a conductor that transfers heat from her ears to the wool earmuffs.

The wool is an insulator that provides heat to keep the girl's ears warm.

The wool is a conductor that transfers heat from the girl's earmuffs to her ears.

Which best explains why a hot air balloon rises into the air?

As the air is heated, it becomes less dense and the balloon rises.

As the air is cooled, it becomes more dense and the balloon rises.

As the air is cooled, it becomes less dense and the balloon rises.

As the air is heated, it becomes more dense and the balloon rises.

Some cooking spatulas are made out of plastic. Why are cooking spatulas often made out of plastic?

Because plastic is a poor conductor of heat, and this keeps the handle from getting too hot to touch while cooking.

Because plastic is a good conductor of electricity, and this makes it safe to use while cooking.

Because plastic catches fire very easily when it is used for cooking.

Because plastic is a good conductor of heat, and this keeps the handle from getting too hot to touch while cooking.

The above diagram shows a simple circuit. The metal spoon that is connected to the circuit is replaced with a plastic spoon. What is the aim of this investigation?

To determine which object can conduct electricity

To determine which object can conduct heat

To determine which object can float

To determine which object can allow light to pass through

Conductor Insulators

Authored by Charles Martinez

Science

4th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the difference between a conductor and an insulator?

An insulator allows electricity to flow through it easily and a conductor does not

A conductor allows electricity to flow through it easily and an insulator does not.

An insulator is magnetic and a conductor is not

A conductor is magnetic and an insulator is not

All of the following are conductors except _______.

metal spoon

wire

iron nail

plastic spoon

An object that doesn't conduct heat well is known as:

a conductor

an insulator

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What object would best complete this circuit?

A battery

a peice of yarn

an insulator

a conductor

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The plastic covering is there to:

Provide a conductor for electrical energy to flow.

Provide an insulator so that electrical energy will not pass outside of the wires.

Provide a conductor so that electrical energy can NOT flow.

Provide an insulator so that electrical energy can flow.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Olivia wanted to complete her circuit with a conductor. What object is her best option?

Wood stick

Glass bead

Aluminum foil

Styrofoam

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You know that the object connected to the wires is a conductor because:

The light bulb is glowing bright.

It's a complete circuit.

It's a closed circuit.

The object is shiny.

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Conductor Insulators

What is the difference between a conductor and an insulator?

All of the following are conductors except _______.

An object that doesn't conduct heat well is known as:

What object would best complete this circuit?

The plastic covering is there to:

Olivia wanted to complete her circuit with a conductor. What object is her best option?

You know that the object connected to the wires is a conductor because:

Tatrys knows that the light bulb will turn on because the circuit:

The handle of a frying pan is often coated in rubber because rubber provides...

Which of the following is NOT an insulator?

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