The Goldenrod Paper Experiment
Reach into your kit & pull out the bag that says Experiment 11. Place everything around the white mat and put the bag back in your box.
Place the 24 well-plate in the center and take out the 6 dropper bottles of household liquids. Squeeze the lemon juice (bottle #1) into the wells’ first column, filling each halfway.
Next, continue filling each column halfway with the next bottle of liquid. Keep going until you’ve used all 6 bottles and filled all 6 rows.
Take the last bottle of green universal pH indicator liquid and squeeze 4 drops into each well until all 24 wells are filled.
Grab the spray bottle of baking soda and water mix, spray your hand 20 times, then slam it down onto the yellow paper. Wait 3 seconds and move your hand.
How It Works
We tested six different liquids starting with lemon juice which was very acidic or sour so it turned red. Next was grape juice, which is also acidic, but less than lemon juice which is why it turned orange. The saline solution only had a small amount of sour properties which is why it appeared a lighter yellow. Next, we tested regular water which had no acidic or bitter properties so it appeared as a green color. Then we tested baking soda which is slightly bitter and therefore turned blue. Last, was the diluted ammonia which is very bitter and turned a purple color.
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