Teachers Guide

Ride the rapids with Bill Nye in the “Rivers and Streams” episode.

Most rivers start high in mountains or hills. Rain, snow, fog and melting glaciers make little trickles or “rills” of water. The rills come together to make streams, and streams come together to make rivers. All that water usually ends up in the ocean.

Bill Nye’s fine-tuning his spider sense for this cool episode.

Learning about science can be hard work, but simple machines can make it easier. Let Bill Nye push and pull you around ramps, levers, screws, and pulleys.

The Science Guy is starting to feel the pressure.