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Food Dye Experiment
171
We chose to do this experiment because we thought it would be interesting to see how the food dye spread out.
The control group is the medium temperature water.
The experimental groups are the hot and cold water.
The independent variables are the temperatures of the water.
The dependent variable is which temperature
water causes the dye to react faster.
The constants are the 1 drop of food coloring that go into each glass of water.
Another type of experiment you coud do is to see which color of food dye spreads the most in hot water in a certain time frame.
Our hypothesis was correct and the hot water molecules caused the dye to move very fast.
If we were to do this experiment again, we would have
tried to make sure that the water was really hot or really cold.
Food Dye Experiment
By Vidhi and Brooklyn
4th hour
Hypothesis
Step 2
-add 1 drop of food coloring to each of the jars at the same time
-record data
If hot water molecules move very quickly, then the hot water will cause the dye to react and will spread faster.
The experimental groups are the hot and cold water.
Graphs
Medium Water
Hot Water
Cold Water
Possible errors
Hot Water
Medium Water
Cold Water
- The water is too cold.
- The water is not hot enough.
- The water jar is shaked.
Data Table
Step 1
-heat glass jar until the water is boiling
- put one jar of water in the fridge to cool
-get medium temperature water from the tap
Materials
-dark food dye
-3 clear glasses
-3 different temperature water-hot,cold,room temp.