Spark discussions life characteristics with this simple demonstration. Place raisins in a beaker filled with carbonated water. Raisins will rise and sink.
I designed this activity to help students become familiar with basic equipment found in the lab. Students take volume measurements using a graduated cylinder, beaker, and a 3ml pipette. Ultimately, they must determine how many single drops of water are in 1 milliliter by designing a way to test this given the tools provided.…
Use simple materials to model diffusion. Place corn starch in a bag and then submerge into a solution of iodine.