Temperatures on the Earth
"When you're hot, you're hot, when you're not, you're not..."
Two Parts
There are two parts to learning why the winters are cold, and why
the summers are warm... in the Northern hemisphere, that is. First,
you'll take a look at how to tell how high the sun is... this is called
the Altitude of the Sun, and this will be relative to where you are.
The other part is a 2-part explanation on how that angle related to the
temperature.
Go be illuminated!