12 Haunted Science Experiments and Activities for Kids

Head on over to The Homeschool Scientist where I wrote a guest post on our top 12 Haunted Science Experiments and Activities! Enjoy!

Which Witch is a Real Witch?

A Lesson in Density and the Middle Ages

Our experiment today involves three suspected witches. We are going to scientifically determine how many of these suspected witches are actual, real life witches.
According to the logic of the Middle Ages, a witch would float on top of a body of water while an innocent person would sink like a stone. We are using this same logic in our experiment today.

We obtained three fresh eggs and drew witches on each of them with a permanent marker. Then we filled up three cups of water (about 10 ounces each) and submerged each egg.

The results?

Well, I forgot to mention that we added salt to two of the cups. Minor detail, right?

Cup #1 (yellow) contained no salt and the egg sank like a stone = Innocent person!

Cup # 2 (black) contained 2 Tbsp of salt and the egg still sank = Innocent person!

Cup #3 (blue) contained 4 Tbsp of salt and the egg *DRUM ROLL, PLEASE* floated = WITCH!

Even when we tried to make Egg #3 sink, it kept bouncing back up to the top to float. So why did this happen?

At first Tommy thought it must be something to do with the egg. He hypothesized that the eggs that sunk were heavier than the egg that floated. We tested his hypothesis by trading Egg #2 and Egg #3. He was a little baffled by the fact that the egg in Cup #2 still sank and the egg in Cup #3 still floated. Hm, looks like it wasn't because of the egg afterall.

Then we talked about the difference in the water and voila! The light came on! It was because of the salt!

See, when salt is added to water it makes the water more dense. You can think of it like the water gets heavier. If you add enough salt you can actually make it more dense than an egg, which makes the egg float.

Does this mean that ocean water is more dense than fresh water? Yes, yes it does.

Want another example of density? Head on over to Color Bombs or the Lava Lamp to see how water is more dense than oil.

What do we do with witches? We cook 'em! Enjoy :)

This experiment came from 100 Science Experiments, a book we love and reference all the time!

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Saturday Science Blog Hop

It's time for our weekly Science Linky Party! I loved all the great ideas that were shared last week. Today I am featuring Spooky Sound Science from One Time Through. Grab some random objects from around the house and practice your spooky sounds for Halloween!

Check out our co-hosts:

Preschool Ghostly Bubble Science: Fun Ways to Play With Bubbles from Little Bins for Little Hands

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Halloween Window Gel Clings

Back in April I posted a recipe to make your own window gel clings. The ones we made in April caught the warm rays from the sun all spring and summer until my five-year-old decided it was time to start decorating for Halloween. We replaced our spring window jellies with a spooky Halloween version this week.

Please note: This is the first time I have EVER decorated my house for Halloween. You are witnessing something special here, folks :) I'm usually much lazier than this. Last year my son wanted to decorate our house so bad, so I sent him to the neighbor's house to help them decorate their house for Halloween instead. I didn't get off so easy this year :)

We used orange, black, red, and green food coloring this time. We used the gel food coloring instead of the regular food coloring we used last time, and I can honestly say I didn't notice a difference. Both work just fine. I left out the glitter this time around. It will probably come back out for our winter/Christmas themed jellies :)

We had four cookie cutters - a ghost, a pumpkin, a cat, and a bat. The window jellies turned out wonderful and the kids loved playing in the leftovers. The gelatin is cold and squishy - a great sensory experience for the kiddos!

Also, don't look too close at my dirty windows! They are clean on the inside, I swear. And if I clean the outside, they just get dirty again and that's not good enough for me!

Be sure to check out my previous post for the entire easy how-to and enjoy!

*This post contains affiliate links. Please see our disclosure policy.

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