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Solid, Liquid & Gas: Pop Rocks Science Experiment

December 1 By Linda Leave a Comment

Solid, liquid, gas: Pop rocks science experiment for kids

This Pop Rocks science experiment is a fun way for students to investigate how combining a solid and liquid forms a gas.

Solid, Liquid, Gas: Pop Rocks Science Experiment

Most kids know the fizz that bubbles up when you pour a glass of soda is carbon dioxide gas called carbonation. What they may not know is how it is made. Carbonation is made by forcing  carbon dioxide gas and water into the soda at high pressures. This easy science experiment aligns to Next Generation Science Standards and is perfect for students to explore the properties of gas.

Materials:

  • 12 oz. bottle of soda
  • medium sized kitchen funnel
  • 8 inch round balloon
  • Pop Rocks candy
  • student lab sheet

 

Pop Rocks science experiment for kids to explore solids, liquids and gas.

Procedure:

1.  Place the balloon over the end of a small kitchen funnel. We stretched the balloons first and even blew them up a little then released the air to stretch them further so the candy would fall in easier.

Pop Rocks science experiment for kids to explore how combining a solid and a liquid forms a gas. Ideal for 2nd grade science, NGSS, and properties of matter activities.

2. Pour the Pop Rocks candy into the funnel. Tap the funnel until the candy flows into the balloon. Gently shake the balloon so the candy falls to the bottom.

Pop Rocks science experiment for kids to explore how combining a solid and a liquid forms a gas. Ideal for 2nd grade science, NGSS, and properties of matter activities.

3.  Stretch the balloon over the mouth of the soda bottle. Lift the balloon up so the candy pours into the bottle. Listen for the popping sound as the gas releases, rises, and fills the balloon.

Pop Rocks science experiment for kids to explore how combining a solid and a liquid forms a gas. Ideal for 2nd grade science, NGSS, and properties of matter activities.

Students use the lab sheet in this science unit to collect data by drawing the steps they took and recording observations they made. I ask them to think about the properties of gas, then analyze their data, explain their result, and what caused the balloon ti inflate.

Pop Rocks science experiment for kids to explore solids, liquids and gas.

Explain the Pop Rocks Science to Your Students

The science behind the experiment is pretty simple. Each tiny piece of Pop Rocks candy contains a small amount of carbon dioxide gas. When it is dropped into a liquid the candy gets wet releasing tiny gas bubbles that make a popping sound as they burst out of the candy shells.

Carbonated drinks contain a lot of pressurized carbon dioxide. When Pop Rocks are poured into the soda some of the gas in the soda collects as millions of bubbles on the candy. As more gas is released from the candy it moves upward and in to the balloon to fill the space.

Remember, gases fill their container or space. Since the balloon fits tightly around the mouth of the bottle, the gas has nowhere else to go up and into the balloon!

Are you a 2nd grade teacher planning a  matter unit soon?

Be sure to check out this complete States & Properties of Matter unit and teaching Power Point because I’ve done all the planning for you!

Properties of Matter 2nd grade science unit with lesson plans, activities, experiments and teaching Power Point.

Click here for States & Properties of Matter 

I know your class will enjoy this Pop Rocks science experiment as a fun way to explore combining a solid and liquid to form a gas.

Pop Rocks science experiment for kids to explore how combining a solid and a liquid forms a gas. Ideal for 2nd grade science, NGSS, and properties of matter activities. #propertiesofmatter #2ndgrade #science #experiment

For more science experiments and properties of matter activities visit these posts:

Flexibility science experiment ideal for 2nd grade properties of matter learning activities.

Exploring Solids, Their Properties & Flexibility

Properties of matter activities and experiments for 2nd grade. Learn creative teaching ideas and fun, hands-on science activities for kids learning about solids, liquids, and gas in second grade.

Marvelous  Matter Activities for 2nd Grade Scientists

Cracker Lab properties of matter activity

Properties of Matter Cracker Lab

Happy teaching and experimenting!

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Related Posts:

  • Properties of Matter Activities for Second Grade ScientistsProperties of Matter Activities for Second Grade Scientists
  • Flexibility Science Experiment: Exploring Properties of MatterFlexibility Science Experiment: Exploring Properties…
  • 10 Fun Science Lessons Kids Can Do At Home10 Fun Science Lessons Kids Can Do At Home

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