Electric charges & circuits

Multiple Choice

What are the charged particles that make up all matter?

• Neutrons and electrons

• Protons and electrons

• Protons and neutrons

• Neutrons and positrons

Multiple Choice

Fill in the blank: Most matter has a balance of charged particles, so their net charge is ____.

• A) Positive

• B) Negative

• C) Zero

• D) Neutral

Multiple Choice

What happens when two charges have the same sign?

• They attract each other

• They repel each other

• They do nothing

• They explode.

Multiple Choice

A positive charge ______ a negative charge.

• repels

• attracts

• ignores

• combines with

Open Ended

Have you ever been "shocked" by static? When does that seem to happen more often? (describe scenario, time, etc)

Multiple Choice

Is your tv powered by current or static electricity?

• Static electricity

• Current electricity

Multiple Choice

What are conductors?

• Materials that allow electrons to move easily

• Materials that do not allow electrons to move easily

• Materials that are always insulators

• Materials that are always poor at moving charge.

Multiple Choice

Which of the following is an insulator?

• Copper

• Aluminum

• Plastic

• Steel

Multiple Choice

Which of the following is a conductor?

• Rubber

• Wood

• Fabric

• Water

Multiple Choice

What is an electric circuit?

• A path for electric current

• A type of battery

• A form of energy

• A type of resistor.

Multiple Choice

What is the other difference between the pictures?

• the switch is open

• there are no arrows

• the light bulb is out

Draw

Draw a CLOSED circuit

Multiple Choice

Which component in the circuit diagram is used to open or close the circuit?

• Battery

• Light bulb

• Switch

• Resistor

Draw

Draw a closed circuit using electrical symbols. It should include a battery, switch, and load.