Rub... rub... rub... Can you feel the heat? Yes? It's friction! In this episode of ScienceXplosion, Eric learns how friction creates heat and can slow down moving objects. It's not magic, it's science!
In this episode, Eric uses a hula-hoop to count and catalog all the creatures he finds in that space! Biodiversity represents the variety of living things in any ecosystem - including in your own backyard!