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Calcium is a chemical that is always grabbing onto other chemicals. One of the most common chemicals connected to calcium is carbonate. Together, the calcium and the carbonate are called calcium carbonate. Calcium carbonate is in eggshells, seashells, limestone, and many other materials. In this...
Grade Level   3 4 5
Classroom Activities Curricula and Instruction
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2
Carbon dioxide (CO2) is essential for life on Earth. Scientists have ways of testing the amount of CO2 in the atmosphere. In this activity, you can do your own test for CO2!
Grade Level   3 4 5
Classroom Activities Curricula and Instruction
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3
Acids are substances that have a sour taste and strong smell. Lemon juice and vinegar are common acids. Acid rain is formed when pollution inthe air mixes with the rain and falls to the ground. In this activity, vinegar will represent acid rain, and an antacid tablet will represent a marble statue...
Grade Level   3 4 5
Classroom Activities Curricula and Instruction
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