This document discusses tools for teaching math and science. It describes science as the study of the natural world through observation and experimentation, and math as the study of numbers, quantities, and shapes. Since the world relies heavily on technology, higher knowledge in math and science is vital. The document recommends using podcasts, wikis, YouTube videos, and hands-on activities to engage students. It suggests teachers supplement lessons by showing educational videos on YouTube and having students create their own videos to share. These varied tools can help different types of learners and increase understanding of important 21st century subjects like math and science.