lemon and potato wet cell batteries. purpose: investigate which metals and which wet cell food...

Lemon and Potato Wet Cell Batteries

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Lemon and Potato Wet Cell Batteries

Purpose: Investigate which metals and which wet cell food source makes a better battery

Materials: Lemon Potato CopperZinc Steel MultimeterConnecting wires Metric Ruler

Hypothesis: When placed in a ____________at a distance of __________ the __________and __________ metals will make the best battery.

Safety: Wear goggles and wash hands after lab.

Page 3: Lemon and Potato Wet Cell Batteries. Purpose: Investigate which metals and which wet cell food source makes a better battery Materials: LemonPotatoCopper

Procedure: (8 steps)Preparation of Lemon and PotatoSoften the potato and lemon to increase juice productionUse 1cm, and 2 cm distances between electrodes

Page 4: Lemon and Potato Wet Cell Batteries. Purpose: Investigate which metals and which wet cell food source makes a better battery Materials: LemonPotatoCopper

Data Table: Volt ReadingsElectrodes Lemon Potato

Copper –Steel 1cm

2cm

Steel –Zinc 1cm

2cm

Zinc – Copper 1cm

2cm

Page 5: Lemon and Potato Wet Cell Batteries. Purpose: Investigate which metals and which wet cell food source makes a better battery Materials: LemonPotatoCopper

Bar Graphs (2) StackedBar

1 graph for the lemon and 1 graph for the potato

X axis C-Z, Z-S, S-CY axis Voltage

6 bars for each graph 1 bar for1 cm and 1 for 2cm

Page 6: Lemon and Potato Wet Cell Batteries. Purpose: Investigate which metals and which wet cell food source makes a better battery Materials: LemonPotatoCopper

Questions

1. What combination of metals and distance produced the highest voltage?

2. If you change only the distance but use the same metal strips, what is the effect on voltage?

3. Which makes a better battery? Explain why.

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