Learn about light, and discover how to make reflections, shadows, and rainbows.

The rocks you see everyday can be grouped into different types, like igneous, sedimentary, or metamorphic. Some rocks are actually minerals, and you can even find fossils in some types of rocks.

Sound is created through vibrations that vary in pitch and volume. This creates sound-waves that you can hear. Includes experiments.

Describes the water cycle and the importance of water, explaining evaporation and condensation, dew and frost, and the three states of water.

The states of matter (solids, liquids, and gases) are explained and demonstrated. Includes an experiment to try.

A temperature can be hot or cold, and can be measured by a thermometer. Use Fahrenheit or Celsius to take the temperature of items.

Describes the different kinds, uses, and benefits of inclined planes and ramps. Includes an activity.

Did you know that rain, waves, wind, snow, and ice can change the shape of Earth's surface? They can create valleys, sea stacks, caves, and rock arches. Learn about the natural forces of erosion and how they shape the land.