Curated OER
Grow an Alum Crystal
What an exciting lab experiment to conduct with your high school chemistry class! Crystals are formed naturally in the environment. However, allow your blossoming chemists to create their own unique crystals using alum and water. You may...
K5 Learning
Space Based Astronomy
How much astronomy can you study with the naked eye? Learn more about the ways scientists explore the galaxy with a short reading passage and set of short-answer questions.
Curated OER
Money situations
In this money situations activity, high schoolers read money word problems and then list the benefit, opportunity cost, risks, and responsibilities for each one. Students do this for 6 questions.