Brew up your own bubbling potion with this witch's brew lava lamp project perfect for October. This twist on the classic lava lamp science experiment is quick and easy-to-make! Try this as a Halloween science experiment with most any age group - who doesn't love lava lamps?! This witch's brew lava lamp activity will explore the scientific method, cause and effect, chemical reactions, and can even venture into the law of conservation of mass. This fun science project is sure to delight kids of al