INTRODUCTION – PLANET EARTH

Planet Earth is our home. It is also home to millions of different plants and animals. Like the human race, the planet Earth has a history – only many millions of years longer.

 

 

 

 

The Utah desert in the United States. Deserts cover a fifth of the Earth’s surface.

 

 

 

 

Have you ever wondered what makes the light and dark of the day and night? Or what causes leaves to fall from trees, the sun to rise, or the tides to change? Find out how the movement of our planet around the Sun causes different patterns for life on Earth, and how the Earth’s climate has evolved throughout the planet’s history.

 

 

 

 

The Earth’s oceans are home to many different species of wildlife.