4 Fall Science Experiments

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It’s almost fall!

Changing temperatures and colors means there are ample opportunities to explore nature. Scientific discovery is all around, and with these easy fall science experiments and hands-on activities, your child can learn more about the many parts of fall that we enjoy so much!

Apple Bubbles

Supplies:
  • Apples
  • Apple corer or knife
  • Milk
  • Orange or apple juice
  • straws
Step-by-Step:
  1. Remove the core from each apple.
  2. Put 1-2 Tablespoons of orange juice in each apple. Use a straw to blow bubbles in the orange juice. Talk about what happens to the bubbles.
  3. Next, add 1-2 Tablespoons of milk to each apple. Again, use a straw to blow bubbles in the milk. You should be able to make A LOT of bubbles! Talk about what happens/what is different between the orange juice and milk bubbles.
**Note: for the best bubbles, make sure the straw is all the way down/touching the bottom of the apple. If the straw isn’t all the way down milk bubbles will end up flying through the air instead!

Why does this work? Milk has a lot of proteins in it that connect together – making a stretchy film – and lots of really cool bubbles.    

Balloon Ghosts

Supplies:
  • White balloon
  • Sharpie
  • Baking soda
  • Vinegar
  • Water bottle
Step-by-Step:
  1. Draw a ghost face on the balloon.
  2. Put 1 tablespoon of baking soda into the balloon.
  3. Fill a plastic water bottle with a half of a cup of vinegar.
  4. Attach the balloon to the top of the water bottle, and lift the balloon so that the baking soda falls into the water bottle/vinegar. This will happen quickly, so be prepared and watch as your balloon ghost appears!
 

Sink and Float

A perfect preschool experiment.

Supplies:
  • Large bowl or bathtub
  • Water
  • Small fall items from nature
  • A small bag
Step-by-Step:
  1. Head out on a nature hike hunting for fall nature items (berries, leaves, acorns, pinecones, seeds, crabapples, etc.)
  2. Bring the items home and put them in a bowl or tub of water one at a time.
  3. Talk about which items sink, and which items float.
   

Dancing Popcorn

Supplies:
  • Tall jar
  • ¼ cup of popping corn
  • 2 tablespoons of baking soda
  • 1 cup of vinegar
  • 2 cups of water
Step-by-Step:
  1. Pour 2 cups of water into the glass jar
  2. Add 2 tablespoons of baking soda into the water and mix until it dissolves.
  3. Next, add the popping corn kernels. You don’t need to add too many!
  4. Finally add the vinegar slowly! Your child will enjoy a fun (and quick) eruption.
  5. After the initial eruption the corn will continue to dance! Ours danced for almost 30 minutes after.
 



Whether you choose an experiment that’s ooey, gooey, slimy, or spooky – fall is the perfect time to explore with science!  

For more fall fun, check out these educational leaf activities.


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