Making recycled paper in the classroom is much easier than you think! Here is an experience that your students will always remember. Read about how it went for one third grade teacher. If you absolutely love arts and crafts you'll will love this site!
BFSU Lesson Air is Substance Weight of Air Activity - free hands-on science activity for and grade elementary kids. Part of a complete unit on Ecosystems: Ecosystems & the Food Chain. Meets Common Core and NGSS.