Play with different solids, liquids, and gases. Discover how changes in temperature affect states of matter as you freeze soda, pop popcorn, melt gold, and more! Answer the burning question, “Does it melt?!”
States of Matter is No. 11 in Tinybop’s award-winning Explorer’s Library, a series of apps designed to introduce kids to big ideas. Other Explorer’s Library apps include The Human Body, Plants, Simple Machines, The Earth, Weather, Homes, Skyscrapers, Space, Mammals, and Coral Reef.
Each Explorer’s Library app teaches kids foundational science. Kids learn by playing, experimenting, observing, asking questions, making guesses, and finding answers. We hope each app inspires conversations between you and your kids and sparks more learning in the world around us.
+Freeze soda, pop popcorn, melt gold, and more!
+Explore the shape, color, behavior, sounds, and movement of different states of matter.
+Discover how different objects behave in extreme temperatures (from -500 °F to 5500 °F!). Watch solids melt, liquids freeze, and gases liquefy as you change the temperature.
+Explore phase changes and discover which changes cannot be reversed.
+Explore how molecules move at different temperatures.
+Discover which states of matter take the shape of the container they’re in.
+Discover the melting and freezing points of different objects.
+FREE States of Matter Handbook has technology tips and basic info for teachers and parents.
+Interactive text labels in 30+ languages teach vocabulary.
+Aligns with Next Generation Science Standards (NGSS).
+Fun for the whole family — play and learn together.
+No third-party advertising.
+Open-ended activities with no rules. Curiosity and creativity are rewarded.
+Original artwork by Jeanelle Mak Petrillo.
+Original sound design.
We take your and your child’s privacy very seriously. We do not collect or share personal information about your child, nor do we allow any third-party advertising.
When the camera, microphone, and other services are used within an app, your information is neither collected nor distributed outside of the app.
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• More matter to play with! You can now experiment with plastic toys, honey, oxygen, and chlorine. (Did you know that chlorine is a yellow-green color?!)
• Newly added handbook has interaction tips and basic info for teachers and parents.
Ratings and Reviews
Love this App
My three children are frequent fans of Tinybop and their apps. Another amazing app loved by the family! Well done Tinybop team! My little one was upset when she burnt her popcorn but a great lesson learned on heat and the states of matter! 5 stars.
Developer Response ,
We are so happy to hear that your children are enjoying our apps! As a tip, you can reset the popcorn screen by switching containers at the bottom left-hand corner of the screen. That way, your child can continue to experiment with popcorn even after it burns! 🍿
Awesome! Love so much!
I’m in fifth grade and this helped me soo much in my chemistry class!!! Dear Developers, I myself am starting to learn to programming and I can tell that your pretty good at what you do. You definitely listen to your fans and their ideas so just wanna say, good job, you make great games, and thank you for listening to my and many other peoples reviews!
-probably/hopefully everyone in the comments:)
(At least me😅)
Developer Response ,
We are so happy to hear that States of Matter is helping you in chemistry class and that you are enjoying the app in general! Please email us at email@example.com if you learn anything in class that you think would be good to add to our app!!! 🔬📓🌟
My daughter can’t stop!
We’ve only had the app for a day, but my daughter can’t stop playing! She loves the sound of the soda pouring out.
Developer Response ,
That’s one of our favorite parts too! 😄🥤
- Tinybop Inc.
- 97.6 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, Arabic, Basque, Bengali, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Haitian, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Persian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Tagalog, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
- Rated 4+
- © Tinybop Inc. 2019
With Family Sharing set up, up to six family members can use this app.