Activity: Lemon Power
O24u Facilitators' Guide Module 6: Alternate and Renewable Fuels
Activity Time:
45-60 minutes
Required Materials:
- 18-gauge copper wire
- Wire clippers
- Steel paper clip
- Sheet of coarse sandpaper
- Lemon
Learning Objective:
- Understanding the potential of alternate sources of energy
Procedure:
- Strip 2 inches of insulation from the copper wire. Cut the 2 inches of bare wire with the clippers.
- Straighten out the paper clip and cut about 2 inches of the straightened steel wire.
- Use sandpaper to smooth any rough spots on the wire or paper clip.
- Roll the lemon on a hard surface to allow it to become juicy. Be careful not to rupture the lemon's skin.
- Push the paper clip and wire into the lemon, close to each other but without letting them touch.
- Moisten your tongue with saliva and touch the tip of both the wire and paper clip.
- You should feel a slight tingling on your tongue and a slight metallic taste.
Discussion:
- Why did you feel a reaction when your moist tongue touched the metal?
- Name any additional alternate sources of energy. How are they used?
- Why is it important to use alternate energy sources? What do you use?
- Topics:
Groups: