gr.5 q7

What is a conductor?

•  A material that allows electricity to flow through it.  The circuit is complete. 
• A material that does not allow electricity to flow through.  It stops the flow of electricity.
• A light switch.

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

If u add more batteries to your circuit with one light bulb it will get brighter. 

• True
• False 

What is a common energy source for a circuit?

• A battery
• A bulb
• A wire
• An appliance

Are negatively charged particles

• protons

• neutrons

• electrons

The center of the atom.

• nucleus

• protons

• electrons

Are particles in an atom that are positively charged.

• protons

• electrons

• neutrons

Electromotive force is also known as ___________.

• circuit

• voltage

• electricity

______ is a type of energy produced by a moving electrical charge that can built up in one place and flow to another.

• circuit

• voltage

• electricity

______ is a close path or loop in which an electric current flows.

• circuit

• voltage

• electricity