Circuitry & Electricity

Where can an electric current come from?

• D-cell (battery)

• Wall socket (connected to another source of power)

• Magnet

What does "static" mean?

• Moving
• Not moving

What charge do electrons have?

• Negative (-)
• Positive (+)
• Neutral ()

Just like magnetic poles attract or repel, electrically charged objects attract or repel.

• True
• False

Tags

NGSS.MS-PS2-3

When you rub a balloon on your head, some electrons transfer to your hair, leaving the balloon with a _____ charge and your hair with a _____ charge.

• Positive; negative
• Negative; positive
• Neutral; positive
• Neutral; negative

Tags

NGSS.MS-PS2-3

What is the force between two electrically charged objects called?

• Gravity
• Mass
• Electric force

Tags

NGSS.MS-PS2-3

What type of energy do batteries store (remember, it's a form of potential energy)?

• Heat
• Electrical
• Chemical

Tags

NGSS.HS-PS1-2

In order for a battery to work to produce electricity (lamp, phone, etc) , the circuit must be...

• Complete
• Incomplete

Tags

NGSS.MS-ETS1-1

Why are certain metals such as copper or tin used to make wires? (what qualities do they have? There's a name for them.)

What is a complete circuit?

• A circuit with all the necessary components connected correctly.

• A circuit where not every component may be connected (electric current will not flow)

• A circuit that is done

• An open circuit