Curated OER
Chalk Fizz
Little chemists observe the effects of acid on calcium carbonate as an example of chemical change. As a demonstration you will place a raw egg in vinegar overnight, and as a lab activity, learners drip vinegar onto a piece of chalk....
Teach Learn Chem
Ions in Chemical Compounds
In this ions activity, students complete a table by combining the given ions in different combinations to make a neutrally charged chemical compound.
Curated OER
Chemical Equations
For this chemistry worksheet, learners complete the word equation and write the complete, balanced formula equation below the word equation for each. Then they complete and balance the formula equation for each.
Curated OER
Formula Calculation
In this chemistry worksheet, students determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.
Curated OER
Chemical Reaction of Carbonate Rocks and Acids
Students complete an investigation into the chemical reaction that occurs between carbonate rocks and acids. Working in groups, students design and conduct their investigation. They create a data table detailing their results. Results...