Tag Archives: Temperature
What is the biggest desert?
The Sahara desert of North Africa is the Largest desert in the world. It is nearly as big as the whole united states. Almost as large as the whole United States, the Sahara stretches across the northern part of Africa from the Atlantic Ocean to the Red Sea. The Sahara desert is a vast, sunbaked …
What is a timberline?
Some mountains have trees growing clear to their tops, but on many high mountains there is a line above which trees stop growing. The place where trees stop growing is called the “timberline”. Trees don’t grow above it because they cannot survive the freezing temperatures there. Above the timberline the mountainside is likely to be …
What are stars made of?
Stars are formed from gigantic masses of hot glowing gases. Hydrogen and helium are the most common gases in a star. In the clearest night sky you might see a few thousand stars with unaided eye. Every bright star is a sun, like our own sun. Scientists tell us that a star is a huge …