Curated OER
World's Most Powerful Explosions
In this explosions learning exercise, students review some of the most powerful explosions that have taken place around the world throughout history. This learning exercise has 17 short answer questions.
Curated OER
Science Kids: Science Images: Flammable Gas
This is a hazardous materials sign warning of flammable gas in the area. It has writing in large capital letters and a white graphic showing the flames that could possibly ensue if appropriate caution is not adhered to.