20 printable or digital projects for students to search online for information about the skin and our sense of touch. We explore sweat, hair, bacteria, acne, body odor, cuts, bruises and pain. We watch YouTube videos to learn more about our skin and how it keeps us alive. We search Google and YouTube with such questions as: Why do animals have different types of skin? What is the purpose of your skin? Why are skin colors different? How can we protect our skin? Why does an insect have suc