NASA
Applying Newton’s Laws
Newton's Laws get the rocket to work, but do they serve any other functions? A six-page resource classifies rockets by the type of propellant they use. It then describes applications of Newton's Laws of Motion, both in the...
Curated OER
"Buff at 50
Students study airforce aircraft. In this investigative lesson students discuss an article they read and divide into groups and design three different combat or peacekeeping situations.
NASA
Nasa Earth Observatory: What Are Aerosols? Fact Sheet
This article discusses tiny particles in the air called aerosols. There are naturally occurring aerosols from volcanic ash, sea spray, grassland fires, and other sources. Learn how scientists believe that aerosols have effects on the...