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Question: What drinks contain the most if any electrolytes at all in them?

 


Hypothesis:

I think that the sports drink contains the most amount of electrolytes compared to orange juice, and water. The electrolytes in the sports drink are suppose to give you extra energy and hydrate your body.

 

Independent variable: electrolytes

Dependent variable: amps (conductance)

Controlled variable: liquids (juice, gatorade,water), the amount of the liquid, all are in the refrigerator

 

 

Materials:

- digital multimeter

- copper wire (bare 24 guage 5ft)

- 9 V battery

- alligator clip leads

- 1k ohm resistor

- orange juice

-water

- gatorade

-plastic straw

- scissors

- small glass bowls (3)

- masking tape

- sharpie

- paper towels

 

Procedure:

Making a conductance sensor:

  • Gather all the materials that were listed

  • In order to make the conductance you must use scissors to cut a 2 inch piece from the drinking the straw

  • with the scissors you must cut the copper wire into 2 pieces each being about 6 inches long

  • wrap one piece of wire around the 2 inch straw piece near one end a few times followed by doing the exact same thing to the other side of the straw with the copper wire (be sure to wrap the wire SNUGGLY around both ends of the straw)

  • when you wrap both of the wires be sure to keep each of them seperated, one wire cannot touch the other wire on the opposite side

 

Making a conductance measuring circuit

 

  • you can start assembling/ putting together the measuring circuit by attaching the 9V battery to the battery clip

  • plug the multimeters test leads into the multimeter (red goes with red, black goes with black)

  • use ONE of the alligator clips to connect the positive (red) 9 V battery clip to the positive (red) multimeter plug in

  • using the second pair of alligator clips attach one of the copper wire “tails” of the conductance sensor to the negative (black) plug in of the multimeter.

  • In order to do step 4 be sure to clip one of the alligator clips to one of the wires of the conductance sensor and the other end to the negative (black) multimeter plug in

  • twist the other tail of the conductance sensor around the metal end of the black side of the negative 9V battery clip

  • double check each connection to make sure they are correctly done

  • never let exposed metal from the red or black multimeter probes/alligator clips, or the conductance sensor wires, touch each other directly, otherwise it will create a short circuit

  • ALWAYS KEEP THE WIRES RED AND BLACK AWAY FROM EACH OTHER

 

Conclusion: At the end of this experiment I came to conclusion that my previous hypothesis was refuted, the gatorade did not carry the most amount of electrolytes, surprisingly enough the orange juice carried the most amount of electrolytes with a mean of 0.4435 milliamps over gatorade who had a mean of ±0.034565 milliamps. That leaves about a 0.2385 range between each other. After the gatorade in order is then followed by water which had a mean of 0.0835 milliamps. Now electrolytes are a substance that ionizes when it is dissolved in a suitable ionizing solvent, such as water. This also includes most soluble salts, acids, and bases. In some cases under certain conditions like ig temperature or low pressure some gases such as hydrogen chloride can also function as electrolytes. But in this case of this experiment something became known, it became known that gatorade doesn’t replenish as many electrolytes as does orange juice.

 

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