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Simple Science Experiments: Floating Egg Experiment

March 18, 2020 by Selena Robinson 4 Comments

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It’s time for another one of our simple science experiments!

This time, we’re learning about salinity and floating with a simple floating egg experiment.

My boys are entering first and second grade, respectively.

These are excellent ages to introduce science experiments – especially ones that are low-prep, inexpensive, and simple to do, right?

Easy Floating Egg Science Experiment for Kids

Check out how we learned about salinity by making an egg float!

This would also be a great science lab for small groups or science centers.

If you enjoy this activity, don’t miss our colorful celery experiment or our superhero states of matter experiment!This easy Floating Egg Experiment is a neat way to teach kids about salinity and how it affects weight!

Simple Science Experiment: Floating Egg Experiment

Like all of our science experiments, this one is super easy and requires absolutely no scientific expertise.

To complete this easy science activity, you’ll need the following:

  • Clear glass
  • Egg
  • Salt
  • Spoon

Simple Science Experiments: Make an Egg Float!

We started by cracking open the Usborne First Encyclopedia of Science. (This is an affiliate link.)

It’s an excellent, hands-on introduction to scientific concepts for kids in grades 1-4.

Simple Science Experiments: Make an Egg Float!

The boys and I read the section about floating together.

We learned that there are places on Earth where water is so salty you can actually read a newspaper while you float along!

Simple Science Experiments: Make an Egg Float!

In the book, we read the instructions to learn how to recreate the same type of environment that allows human beings to float in salty water.

Then, we were off and running!

Simple Science Experiments: Make an Egg Float!

We gathered the supplies and got to work.

Simple Science Experiments: Make an Egg Float!

We poured each glass half full of water.

Simple Science Experiments: Make an Egg Float!

Then we added 10 teaspoons of salt to one of the glasses.

(Don’t put any salt in the other glass of water.)

Simple Science Experiments: Make an Egg Float!

Like so.

Simple Science Experiments: Make an Egg Float!

When we placed an egg into the glass that didn’t have salt in it, the egg sank right to the bottom like normal.

Simple Science Experiments: Make an Egg Float!

But when we added an egg to the glass filled with salty water, it floated right to the top.

The kids got a kick out of watching me push it down, only to see it pop right back up!

Easy Floating Egg Experiment - Look! We're Learning!

And that’s how salinity works! Salty water is denser (heavier) than plain water.

So heavy, in fact, that it can support the weight of heavier objects like an egg.

Neat!

This entire floating egg experiment took about 10 minutes from start to finish.

So if you’re looking for a super quick science experiment, this one’s perfect!

This easy floating egg science experiment is so fun for kids who are learning about salinity! Great for science at home too!

Stop by to see our other science learning ideas!

Study the properties of light with this simple light refraction experiment!

Simple Heat Conduction Experiment

Learn about the states of matter with this fun printable superhero states of matter lesson for elementary students!

Learn about displacement and salinity with this super simple floating egg experiment! This easy science experiment is great for kids who are learning at home!

Filed Under: Homeschooling, Science Tagged With: easy experiments, easy science, easy science experiments, floating egg, floating egg experiment, homeschool science, homeschool science experiments, make an egg float, science, science experiments, simple science, simple science experiments

Comments

  1. Marci@TheHomeschoolScientist says

    August 31, 2015 at 8:40 am

    Aren’t those Usbourne books great? I break mine out all the time. This is such a fun, simple experiment. Weren’t your boys surprised they could actually make the egg float? My kids were amazed!

    Reply

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955 shares