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Silicate Gardens

Autopause

Materials

1 Large Plastic Container
1 Large Plastic Container
4 Small Medicine Cups
4 Small Medicine Cups
1 Sheet of Black Paper
1 Sheet of Black Paper
1 Container of Magnesium Chloride Pellets
1 Container of Magnesium Chloride Pellets
1 Pack of Food Colors
1 Pack of Food Colors
1 Wooden Stirrer
1 Wooden Stirrer
1 Bottle of Sodium Silicate Solution
1 Bottle of Sodium Silicate Solution
1 Pipette
1 Pipette
1 Small Scooper
1 Small Scooper

Instructions

STEP 1
0:00

Reach into your kit & pull out the bag that says Experiment 34. Take everything out of the bag and place in front of you. Then, put the bag back in the box.

STEP 2
2:32

Open the bottle of Sodium Silicate Solution and pour it all into your rectangle-shaped plastic container.

STEP 3
3:29

Next, refill the empty bottle of Sodium Silicate with cold water and pour it into your plastic container.

STEP 4
4:06

Grab the wooden mixer and stir the solution for 10 seconds to mix it together.

STEP 5
4:29

Now, grab the black sheet of paper and place it behind your plastic container by setting the container on one side and aligning the back so that it creates a dark background.

STEP 6
4:48

Next, place the four small medicine cups in front of you and grab the container of Magnesium Chloride Pellets and the blue scooper. Put 1 full scoop of pellets into each cup.

STEP 7
5:57

Now, pour water into each cup up to the 12.5 mL line then let them sit for 1 full minute.

STEP 8
6:39

Next, grab your wooden stirrer and gently mix the solution around in each cup to help it dissolve. Stir slowly so you do not to spill it.

STEP 9
8:13

Now, grab the pack of food coloring, and add 5 drops of color to each of the cups, making each one a different color.

STEP 10
9:06

First grab the pipette and dip it into the first cup of color and gently squeeze the pipette to mix the color together really well. Then, suck up as much as you can into your pipette, and place the tip on the bottom of your container of liquid. Squeeze to release the colored liquid as you slowly move the pipette upwards to create a piece of coral.

STEP 11
10:50

Once you are done with one color, you can move onto the next. Simply repeat the steps from before, first mixing the color together with the pipette, then drawing the color into your pipette, placing it on the bottom of your container and squeezing to release it as you build more pieces of coral.

STEP 12
11:28

Continue creating different color pieces of coral and experiment with different ways to make them. Try squeezing the liquid out of your pipette faster and slower or using different movements like back and forth or wiggling it around.

STEP 13
12:31

For the grand finale, take the rest of the Sodium Silicate pellets and pour them into your container of coral and watch to see what happens over the next 10-15 minutes. When you’re done, be sure to save the empty bottle for the next experiment.

How It Works

To create this colorful chemical reaction, we first mixed a special solution called Sodium Silicate. Then we made a separate solution of food coloring and Magnesium Chloride Pellets. After these pellets dissolve in the colored water, we were able to inject it into the Sodium solution in our tank making awesome coral shapes. It's like magic underwater art!

For the grand finale, we introduce more Magnesium Chloride Pellets to the container of coral pieces. This time, it was a new reaction! Instead of creating more colorful coral, it reacted in a completely different and cool way. The pellets reacted with our Sodium Silicate Solution differently because we added them whole instead of dissolving into our colored water!
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