Shark Cootie Catcher - Origami for Kids. Fun "fortune teller" origami project for kids (with a free printable and instructions). Print the free template and make your own shark cootie catcher just in time for Shark Week!
A great powerpoint introducing density, what it is, and the different variations of the formula. The powerpoint includes fun videos to help students understand the concept. The powerpoint is 28 slides.