When the switch is opened, the LEDs that turn on are (a)  

• LED 5
• LED 2 and 5
• LED 3 only
• LEDS 1, 3 and 4

Match the switches with the lights that work when closed

• Open switch 3

• White & Red

• Close switch 2

• White & Blue

• Close switch 1

• White & Yellow

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

Cut wire 6. What happens?

• Two lights turn off

• One light turns off

• All the lights work

• None of the lights work

Cut wire 2. What happens?

• All the lights turn off

• None of the lights turn off

• One light turns off

• Two lights turn off

Which two wires can be cut and still allow all of the devices to work?

• Wires 2 and 5

• Wires 1 and 4

• Wires 5 and 6

• Wires 2 and 3

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-3

To make this circuit work, (a)   needs to be changed.

• Add an extra wire
• Flip one of the batteries
• Reconnect the wires to the lightbul

Cut the wire in the space shown. How many bulbs stay lit?

• 1

• 2

• 3

• 0

Which operation results in only the blue bulbs working?

• Close switch 1

• Close switch 2

• Close switch 3

• Close switch 2 and 3

Open the circuits below. Which of these circuits will have three lights still lit?

• The top circuit

• The middle circuit

• The bottom circuit

• All of the circuits