National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...
Curated OER
Limestone
In this limestone worksheet, students name three sources of calcium carbonate, write the chemical formula, and determine the three elements found in calcium carbonate. This worksheet has 7 short answer and 3 problems to solve.
Curated OER
Don't Let Hazardous Waste Be a Hazard to You!
In this recognizing hazardous waste worksheet, young scholars observe hazard signs, read informational passages, and unscramble the words to identify hazardous waste products. Students unscramble 4 words.