Question

Explain how you would use a wire to connect the battery and bulb to form a closed circuit

Answer 1

Answer:

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Answer 2

Answer:

How to make a circuit? A circuit is a path that electricity flows along. It starts at a power source, like a battery, and flows through a wire to a light bulb or other object and back to other side of the power source. You can build your own circuit and see how it works with this project!

What You Need:

Small light bulb (or a flashlight bulb)

2 batteries (with the correct voltage for your light bulb)

2 alligator clip wires or aluminum foil*

Paper clips

Electrical tape (Scotch®tape also works)

Bulb holder (optional)

Battery holders (optional**)

*To use foil instead of wires, cut 2 strips each 6″ long and 3″ wide. Fold each one tightly along the long edge to make a thin strip.)

**To use paper clips instead of battery holders, tape one end of a paper clip to each end of your battery using thin strips of tape. Then connect your wires to the paper clips.

Part 1 – Making a Circuit:

Connect one end of each wire to the screws on the base of the light bulb holder. (If you’re using foil, ask an adult to help you unscrew each screw enough to fit a foil strip under it.)

Connect the free end of one wire to the negative (“-“) end of one battery. Does anything happen?

Attach the free end of the other wire to the positive (“+”) end of the battery. Now what happens?

Part 2 – Adding Power

Disconnect the battery from your circuit. Stand one battery so that the “+” end is pointing up, then set the other battery next to it so that the flat “-” end is pointing up. Tape around the middle of the batteries to hold them together.

Set a paperclip across the batteries so that it connects the “+” end of one to the “-” end of the other. Tape the paperclip in place with a narrow piece of tape (do not tape over the metal battery ends).

Turn the batteries over and tape one end of a paper clip onto each of the batteries. Now you can connect one wire to each paper clip. (The bottom of the battery pack should only have one paper clip – do not connect a wire to it.)

Connect the free ends of the wires to the light bulb.