Imagine a world without toys. Scary thought, right? The truth is, without chemistry and other science, some of our favorite toys like slime, action figures, and bouncing balls would not exist. Why? These toys are made of chemicals that make them work! As we wrap up this week, you'll get to experiment with a few more chemical reactions in order to create your very own slime, learn about wild substances like Oobleck (no, we did not make that up), and more.
what you’ll need
- A computer, tablet, or mobile phone and access to the internet
- White glue (like Elmer's)
- Baking soda
- Eyedrops or contact lens saline solution (with boric acid or sodium borate in the ingredients)
- Food coloring (optional)
Ask About Today
What were some of your favorite things you learned about chemistry this week?
If you could magically turn into slime, what would you look like? What color and other things would you be mixed with, and when would it be handy to turn into it?
Skip the Ads
Unfortunately, online videos often start with short advertisements. Remind your campers to click the "Skip" button as soon as they can to move ahead to the video.
Slime was actually a mistake made in a lab, but it became a phenomenon overnight.
Remember: Online videos often start with advertisements. (Annoying, we agree!) Click the "Skip" button as soon as you can to move ahead to the video.
Meet Alyssa Jagan, a Slime Superstar who makes slime for a living and enjoys every single slimy second of her job.
Why Are So Many Toys Made of Plastic?
Plastic is one of the most notable chemical inventions of all time. Check out this video to learn why it became a key ingredient to so many toys.
Ready to Make Some Fluffy Slime?
Of course you are! See what happens when you mix a little shaving cream, water, food coloring and glue. This can get messy, so do it so someplace where it's easy to clean up, like a kitchen counter. (Younger kinda campers will also need some help from a grown-up.)
Mad Scientist Questions
After making your slime, think about these questions:
1. Did a physical change or chemical change take place to make your slime?
2. Is slime a solid or liquid?
3. Does your slime float or sink in water? Why?
Why We're Obsessed with Slime
What's so fascinating about slime? Let's check out the science of it.
The Stretchiest Slime
This 5th grader broke the world record for stretching homemade slime the farthest in 30 seconds. We have so many questions.
For younger explorers
... is stuck in goo! Read along to find out what happens next.
It’s our final day of Little Alchemy and our goal is to get to 75 combinations! Are you with us? Let’s do this!
Whew! We’ve been working out a lot this week (see any chemical changes to those muscles yet?). Let's visit our favorite gym teacher, Joe, and end the week with a good sweat. Try it at least twice!
more to explore
Why Is Ketchup So Hard to Pour?
Substances like slime teach us about things like "viscosity," or how slowly or fast it flows. Ketchup never seems to flow at the speed we want. Sometimes it's just stuck in the bottle taking for-ev-er. Other times? It comes splooching out all over. Why? WHY??
Get to Know Oobleck
Get to know who? Oobleck is a type of substance that sometimes acts like a liquid and sometimes acts like a solid. Think quicksand or silly putty. It also has the best name ever. Let's take a closer look with Crash Course Kids.