Day and Night

What the Air Is Made Of

The Warming and Cooling of the Air

What Happens When Air Is Warmed or Cooled

The Vapour in the Air

Dew, Mist, Clouds

Where Rain and Snow Come From

What Becomes of the Rain

How Springs Are Formed

The Work of Water Underground

How the Surface of the Earth Crumbles Away

How Soil Is Made

Brooks and Rivers: Their Origin

Brooks and Rivers: Their Work

Snow-Fields and Glaciers

Grouping of Sea and Land

Why the Sea Is Salt

The Bottom of the Sea

The Inside of the Earth

Conclusion

Questions