You know the “states of matter”, right? Solid, liquid, gas…. and plasma? Test your knowledge by sorting the falling objects into the appropriate bins. Be careful though: you’re only allowed a few mistakes, and each level will be faster than the last.

For teachers: You can use this with middle school science units on the states of matter. We’ve had reports of teachers projecting this activity, with students shouting out the answers.

Funding

This material is based upon work supported by the National Science Foundation under Grant No. ATM – 0755125. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

This material is based upon work supported by NASA under award No. NNX16AE30A. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Aeronautics and Space Administration.