grade 9 physics

Current is measured in what unit?

• ohms
• volts
• watts
• amps

Which of the following is NOT a good insulator?

• rubber
• wood
• iron
• plastic

Tags

NGSS.MS-PS3-3

What is another name for a battery in a circuit?

• Load

• Cell

• Switch

What is another name for the wires in a circuit?

• Conductor

• Load

• Power Source

True or False: Conductors allow electrons to pass through easily.

• True

• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Is an eraser a conductor, insulator, or both?

• Conductor
• Insulator
• Both

Is this switch closed or open?

• Closed

• Open

What electrical symbol is this?

• Lightbulb
• Motor
• Battery
• Switch

What electrical symbol is this?

• Open Switch
• Closed Switch
• Lightbulb
• Battery

In a series circuit  with 4 bulbs:

• a switch is never used
• all of the bulbs become dimmer if another bulb is added
• There are many paths for electricity to take
• the remaining 3 bulbs stay lit if one burns out