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, students observe hazard signs, read informational passages, and unscramble the words to identify hazardous waste products. Students unscramble 4 words.
Curated OER
Rocks Word Search Puzzle
In this literacy worksheet, middle schoolers look for the words that are related to the concept that is reviewed in the sheet. They also acquire new vocabulary.
Curated OER
The Formation of Resources
In this rock worksheet, learners review the three types of rocks and their distinguishing characteristics. This worksheet has 10 matching and 10 short answer questions.