Ocean in a Bottle

For my ocean themed class, I thought it would be fun to make an ocean discovery bottle.  If your kids love to collect shells and rocks and the beach (like mine do), this is a perfect extension activity for when you get home.  This is an easy activity for the kiddos to do and there are so many fun ways to play and learn with them.  And there are so many variations you can add to yours.

Here’s what you’ll need to get started:

  • Empty water bottle with a cap
  • Funnel
  • Water tinted light blue
  • Sand (we used play sand since that’s what I had at home)
  • Sea shells that are small enough to fit inside a water bottle (I picked up a pack at Michael’s but you could use some that you’ve collected at the beach yourself)
  • Little fish/sea creature figurines (I couldn’t find any that were small enough to fit through the mouth of our bottle)
  • Foam ocean stickers/shapes (we peeled the backing off the stickers since I couldn’t find just the foam shapes)IMG_1675

First we added about 2 inches of sand to an empty water bottle.  We used a funnel to make it easier.

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Then they added the sea shells.

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Next we added the foam shapes after peeling the paper backings off them.  We didn’t want to “pollute” our ocean:)

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Using a funnel, the boys added the blue ocean water to the bottle.  Screw the cap on.  (You can also use a hot glue gun to attach the cap so it can’t be opened)

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And THEN the fun began.  Almost immediately, my middle son started shaking his bottle.

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My oldest son decided to roll his bottle and make waves.  They tried to find their sea animals and sea shells.

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That’s it!  So easy!  And lots of shaking going on over here!

The Science behind the Activity:

Discovery bottles are great for toddlers and preschoolers as it gives them a chance to explore cause and effect.  “If I shake this bottle, what will happen?”  For preschoolers and a bit older, you can discuss the motion of water and waves.  A variation to this is to make it with oil and water instead of sand and water and you can discuss concepts such as density and why water and oil don’t mix.  Endless options!  What variations have you tried?

 

 

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