If you teach properties of matter in second grade science, then you just may love these 3 free properties of matter resources.
This collection includes an online interactive activity, a magnetic and not-magnetic sorting activity and a physical characteristics of matter “scoot game” test.

source: bainbridgeclass.blogspot.com
Properties of Matter
The online interactive science activity lets students explore changing materials, magnets and springs as well and rocks and soils. The magnetic/not magnetic sorting wall display is a cut and paste activity.
The scoot-style test on characteristics of matter makes assessment a little more fun!