Light bends through a lens. Bill shows us why. We call it the science of "optics." Notice that the light changes direction every time it goes from air to plastic,and then again when it goes from plastic to air. It's slows down and speeds up. When that happens, it just can't help but bend. Lean in, and have a look
This is a selection from the Bill Nye: Motion episode that explains the basics of motion and push/pull forces. This content has been edited to better cater to the primary grades, specifically the California State Standards: Physical Sciences 1.A-D. Enjoy this fun education!