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.
Fifth Grade Physical Science Activities: Molecule Madness: A Water Experiment (this is also why you add dish soap to vinegar/water fruit fly traps-- it eliminates the surface tension on top so they sink and drown. I know, so morbid!
The foldables are for older kids, but this erosion experiment could easily be done in Pre-K.- Working 5 to 9 . Math and Science: Grade Science Foldables and other scienc projects Classroom Creativity,educational,F