Sci_6I1_CAT3_U7,9

In a circuit, particles called _____________ have the same direction with the current.

Electrons have a ______________ charge.

What is the term used for materials that do not let electricity pass through them?

• conductors

• insulators

• thermal

In terms of particles, why paper does not conduct electricity?

• Electrons are not free to move in paper.

• Electrons are free to move in paper.

• Paper does not have neutron.

One way to make a lamp brighter in a circuit.

• add more ammeter

• add another cell

• add more buzzer

An insulator does not allow electrons to move.

• True

• False

A conductor inhibits electron flow.

• True

• False

A conductor allows electrons to move.

• True

• False

What are conductors?

• metal spoon

• glass

• marble

What are conductors?

• a piece of iron

• cardboard box

• wooden chair