Science- grade 5 Electricity

______ is a circuit flow from the negative terminal to the positive terminal.

• Electrons

• Protons

• Nutrons

Why do electricians always wrap wires in plastic?

• Plastic comes in many different colors

• Plastic is a good electrical conductor

• Plastic makes the wires easy to bend

• Plastic is a good electrical insulator

Which of these materials is a good conductor of electricity?

• Rubber

• Metal

• Newspaper

• Glass

which of the following materials are best used as insulators?

• Wood

• Rubber

• Metal

• Plastic

The only rule when it comes to making circuit is ____

• they cant have insulating gaps in them.

• there should be gaps in between

Identify insulators

• Rubber

• copper

• iron

Filaments are made up mostly of this metal ___

• Nickel

• Tungsten

• gold

Atoms of many types can combine to make _____

• Atomic power

• Molecules

• Atom bomb

Each atom has a center _____

• electron

• nucleus

• orbit

Glass bulb is filled with inert gas such as

• Argon

• helium

• Lithium