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Fun Pop Rocks Experiments Exploring Viscosity

Can you hear science? You bet! We have 5 senses that make us who we are and one is the sense of hearing. We explored our sense of hearing with an invitation to explore pop rocks science. What liquids make pop rocks pop the loudest? We tested a variety of fluids all with a unique viscosity for this fun pop rocks science experiment. Grab a few packs of pop rocks and don’t forget to taste them too! That’s the most fun way to hear pop rocks science!

Exploring Viscosity With A Pop Rocks Science Experiment

Pop Rocks Science Viscosity Experiment Hear Science Activity

EXPERIMENT WITH POP ROCKS

Have you ever tried pop rocks? They are pretty cool to taste, feel, and hear! I chose to use these for our hearing science activities as part of our awesome summer science camp ideas. Make sure to check out how to make a Kaleidoscope for seeing science, our citrus chemical reactions for smelling science, edible slime recipes for tasting science, and our easy non-Newtonian oobleck activity for feeling science!

This pop rocks science experiment exploring the sense of hearing makes a neat messy sensory play activity as well. Get your hands involved, mix things up, squish the pop rocks! Do they pop louder. Explore, experiment, and discover with pop rocks science and your sense of hearing!

Listening to pop rocks in different liquids non newtonian fluids slime science

POP ROCKS SCIENCE EXPERIMENTS

Have you ever tried pop rocks? They make for a cool science experiment that explores viscosity and the sense of hearing. Slime, Non-Newtonian Fluids, and Chemical Reactions all in one fun invitation to explore!

YOU WILL NEED

  • Pop Rocks! (We used three different packets for a few different colors.)
  • Liquids including water, oil, and corn syrup.
  • Baking soda dough and vinegar.

POP ROCKS EXPERIMENT SETUP

STEP 1. To make baking soda dough, mix baking soda with a small amount of water until a packable dough begins to form. Do not make it too wet!

Use vinegar to make it fizz and bubble with pop rocks. Check out our favorite fizzing science experiments!

Pop Rocks Science Activity Experimenting with viscosity hear science

STEP 2. Add a different fluid to each container.  Predict which fluid will have the loudest pop.  Add the same amount of pop rocks to each and listen!

We added slime, baking soda dough, and oobleck to separate containers. Our slime was the winner followed by the cornstarch mixture, and then the baking soda dough.

Pop Rocks Viscosity What fluids pop the loudest

STEP 3. Now compare and repeat with thinner fluids like oil, water and corn syrup.  What happened?

Pop Rocks Science Exploring Sense of Hearing

POP ROCKS SCIENCE

The thicker the fluid, the greater the viscosity. The less viscous the fluid, the more the pop rocks popped.

How do pop rocks work? As pop rocks dissolve they release a pressurized gas called carbon dioxide which makes the popping noise! Read more about the patented process of pop rocks.

The less viscous the substance for dissolving the pop rocks the greater the pop. Those fluids with a higher water content yielded better results. Oils and syrups did not allow for much of a pop as it takes a while for things to dissolve in these viscous liquids. Check out a simple candy dissolve science activity.

ALSO CHECK OUT: Pop Rocks and Soda Experiment

Testing pop rocks in slime water cornstarch oil corn syrup

I am pretty sure he enjoyed eating them the best! His second favorite was adding small scoops of pop rocks to water!

Click here for your FREE Science Activities For Kids

Pop Rocks Science Experiments for Exploring Viscosity.

Click on the link or on the image below for more fun and hands-on science experiments for kids.

STEM activities for kids. The best resource for science activities and STEM challenges you will ever need. We have everything science including chemistry and physics for kids for ages 3-9. We even have slime science and homemade slime recipes. Simple and easy kids science experiments that make for fun science activities kids can't get enough of!

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Reader Interactions

Comments

  1. Ana

    July 10, 2015 at 3:26 pm

    What a fun idea!

  2. Sue Lively

    July 10, 2015 at 7:45 pm

    Looks like you guys had fun with this! Great science learning as well!

  3. Christina @There's Just One Mommy

    September 22, 2015 at 3:13 am

    What a fun and creative experiment!
    My kids have just recently discovered Pop Rocks. I never thought of how we could use them for science. Now I’m going to get those wheels turning to think of some new ideas.

    So fun!

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