Curated OER
Hubble Spies Colliding Asteroids!
In this colliding asteroids instructional activity, students are given the equation to determine the collision time for asteroids. Students use this equation to solve 4 problems including finding the area of a cross-section through the...
PBS
Pbs Teachers: Scientific American: Science in Paradise: Big Dish
Investigate the science of radio astronomy, and create a model of a curved reflecting dish that will work like the Arecibo detector to detect electromagnetic waves. Explore risk using a risk space grid.