Planet Earth


How do volcanoes erupt?

How does the earth move around?

Earth takes one year, or 365.242 days, to orbit, or travel, around the Sun. At the same time, it spins on its axis (an imaginary line joining the North and South poles). As it spins, Earth is tilted on its axis at an angle of 23.5°. This tilt produces the SEASONS.

What is the earth covered with?