Explains how and why a thunderstorm occurs and gives safety steps to follow when lightning is flashing.

Describes the sun and how it provides the light and energy which allow plant and animal life to exist on the earth.

Describes the characteristics of snow, its usefulness to plantsand animals, and the hazards it can cause.

Describes the various properties of air and shows how to prove that air takes up space and that there is air dissolved in water.

Read and find out about one of nature's most mysterious forces-the earthquake. Some earthquakes are so small that you don't even feel them, while others can make even big buildings shake! Learn why earthquakes happen, where they are most likely to occur, and what to do if one happens near you.

Imagines sights and experiences on a moon visit.

Describes various scientific theories which explore the extinction of the dinosaurs.

Explains how volcanoes are formed and how they affect the earthwhen they erupt.

Explains the construction and purpose of the International Space Station and the life of the astronauts on board.

Explains what shooting stars are, what they are made of, and what happens to them when they land on Earth.