66
Lesson 66 of 84 · Global Connections
The United Nations
Earth's axial tilt causes seasons. When the Northern Hemisphere tilts toward the sun, it is summer there and winter in the Southern Hemisphere.
Key Facts
1
Earth has seven continents.
2
There are five major oceans.
3
Climate differs from weather.
Check Your Understanding
Question 1
1 of 2How many continents are there?