The Sahara Desert is a near-uninterrupted brown band of sand and scrub across the northern third of Africa. The Amazon rain forest is a dense green mass of humid jungle that covers northeast South America.
Mechanical engineers design, develop, build, and test mechanical and thermal sensors and devices including tools, engines, and machines.
Be a Scientist: The GLOBE Program encourages you to use
NASA Worldview is a free online visualization tool that is a great launchpad for learners who are new (or