How is Lightning Formed

Look into the future with a lesson on biodiversity and natural habitats. Learners read articles about different perspectives when it comes to planning future development, and decide which angle is the highest priority in a group...

It's time to roll up those sleeves and get a little dirty in the second lesson of this series on the science of food. Investigate where plants and animals get the minerals they need to live in this two-part exploration of soil. First,...

How do volcanoes form and why do they erupt? Does magma change as it reaches Earth's surface? These are some of the questions that are under investigation in a video that explains the science around volcanoes.

What is weather? How is weather different from climate? Factors such as temperature, thunderstorms, precipitation, and wind speed refer to weather. Climate consists of the overall patterns of weather in a particular region of the world,...

Lake Maracaibo, a bay connected to the Gulf of Venezuela, is the most lightning-struck place on Earth. Learn about the conditions that make it so, in this short video. 

What is energy? Where does it come from and how does it move from place to place? Learn about the different kinds of energy, how energy changes form, and what heat really is. With great visuals to accompany some difficult concepts such...

Many years ago, when the Indian plate collided into the Eurasian plate, the highest mountain on Earth was formed. But what gives Mount Everest its shape? Watch an informative video to learn what factors make the prominent peak so tall.

Take an elevator down under the surface of the skin! Animations show that new skin cells are formed and the old ones are shed in the epidermis, how melanin provides color and nerves and blood vessels reside in the dermis, and what the...

These lessons produced by the Illinois State Museum are quite good. In this one, third and fourth graders are introduced to the three basic types of rocks: igneous, sedimentary, and metamorphic. They perform activities which help them...

Students investigate lightning. For this lightning lesson, students demonstrate how static electricity is in the air by observing how a balloon reacts to a charge.