First we started with a QUESTION, since my kids are so little, our question was simple: How do you make slime? For older kids, you can experiment with different kinds of questions that involve different ratios of ingredients or the types of ingredients you use and how that affects the outcome of your slime.
Then we took out all our supplies and made a HYPOTHESIS. We chatted about what we thought we needed and why. Reasoning may be difficult for younger kids, but when we as adults engage in reasoning, our kids learn how to reason through the way we model it. Using sentences starting with "I" really help. For example, "I can" or "I think".
1/2 Cup Elmer's White Glue
1/2 cup water
1/2 tsp Baking Soda
1 tbsp Contact (saline) Solution - make sure this contains boric acid and sodium borate
Mix glue and water together and add food coloring and glitter if using. Then add baking soda and contact solution. Knead the solution until it turns into slime. After mixing all the ingredients together, we made OBSERVATIONS. We noticed that the product was still very gooey, so we discussed what we should do to make the slime thicker (I also cheated and googled it to make sure). We decided to add more contact solution and it seemed to work, so we continued to add more and made observations as we did it. At the end, we made sure we discussed the ANSWER to our question - How do we make slime? We discussed the process again and discussed how we made the solution thicker. 6
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