Chapter V: Part IV: Earth and Sky

The Brook 818

How a Brook Drops its Load 822

Crystal Growth 825

Salt 827

How to Study Minerals 828

Quartz 829

Feldspar 831

Mica 832

Granite 833

Calcite, marble and Limestone 835

The Magnet 838

The Soil 842

Water Forms 850

The Weather 857

Experiments to Show Air Pressure 877

The Barometer 878

How to read Weather Maps 879

The Story of the Stars 887

How to Begin Star Study 889

Cassiopeia’s Chair, Cepheus and the Dragon 893

The Winter Stars 895

Orion 895

Aldebaran and the Pleiades 897

The Two Dog-Stars, Sirius and Procyon 898

Capella and the Heavenly Twins 900

The Stars of Summer 901

The Sun 905

The Relation between the Tropic of Cancer and the Planting of
the Garden 909

The Zodiac and its Signs 911

The Relations of the Sun to the Earth 913

How to Make a Sun-dial 915

The Moon 918

_In Nature’s infinite book of secrecy
A little can I read._
--SHAKESPEARE.