The goal of Unit 11 of The Physics Classroom Tutorial is to develop an understanding of the nature, properties, behavior, and mathematics of sound and to apply this understanding to the analysis of music and musical instruments.
It's as big as the continental United States, but covered in sand. If you like to dig your feet in the sand, then the Sahara Desert is the place for you. Watch out though - it's hot! Temperatures range from 122 F to below freezing in the winter. Sand dunes can reach over 189 meters tall or be flat for miles and miles.
In addition to being extremely dry, the Sahara is also one of the hottest regions in the world. The average annual temperature for the desert is 86Â°F (30Â°C) but during the hottest months temperatures can exceed 122Â°F (50Â°C), with the highest temperature ever recorded at 136Â°F (58Â°C) in Aziziyah, Libya.eography of the Sahara Desert. There are also several mountain ranges within the Sahara and many are volcanic. The highest peak found in these mountains is Emi Koussi, a shield volcano that rises to 11,204 ft (3,415 m). It is a part of the Tibesti Range in northern Chad.