NASA
Touchdown
Individuals design and build a set of shock absorbers to protect their astronauts when they land. Using a limited amount of supplies, pupils build a system that will keep two large marshmallows from flying out of a cup when it lands...
Curated OER
Spanish Prepositional Pronouns
There are many different types of pronouns used in Spanish for various purposes. If your class has mastered subject pronouns, object pronouns, and reflexive pronouns, perhaps they are ready to learn about prepositional pronouns. You can...
PBS
Pbs Kids: Design Squad Challenge: Touchdown (Pdf) [Pdf]
Hands-on challenge to build a shock-absorbing system that will protect astronauts when they land on the moon. Provides full list of materials with ideas on how to design, build, test, evaluate, and redesign it if necessary. Activity...