$3.99
Get the App
iPad is a trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.
Matter for iPad
Kids will take an in-depth look at matter’s many mixed-up forms, discover the difference between chemical and physical changes, and examine matter’s four possible states: solid, liquid, gas and plasma.
Video
Screenshots
More Kids Discover Products
Kids Discover Online
Gain access to Kids Discover's entire library of award-winning science and social studies material on any device, at any time, for one low annual price.
Learn About Kids Discover OnlineKids Discover Magazine
Choose from over 200 titles of Kids Discover Magazine. Each issue is 20 pages in length, and is packed with iconic photographs, original illustrations, timelines, and digestible facts.
View Our Print Titles