rocks
A Bit of Engineering
Aggregates Matter
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Crushed stone, sand and gravel are the three kinds of rock fragments that are called aggregates.
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At the current rate of usage, every American will need 1.37 million pounds of aggregates in his or her lifetime.
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Aggregates are mined in every state in the U.S.
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Aggregates are the most commonly used mined rocks in all countries of the world.
Awesome Fossils
Any evidence of past life preserved in a geologic context, such as within rock or sediment, is called a fossil. In this activity you will work as a paleontologist — a scientist who studies fossils to understand ancient landscapes, climate, and life on Earth — to find and identify fossils.
Birdseed Mining
Carbon Travels
We find carbon everywhere on Earth ─ in trees, rocks, fossil fuels, oceans, and even you! Carbon doesn’t stay in one place, through. Scientists study how carbon moves from one place to another. This is the carbon cycle.
Chocolate Rock Cycle
Cookie Mining
Cookie Mining Spreadsheet
Dating Popcorn
Determining Mineral Reserves
Common things we use every day, like roads, sidewalks, schools, hospitals and homes ─ to name just a few ─ are made up of rocks and minerals. As a resource, they are called mineral reserves and include materials like sand, gravel, limestone, granite, and other aggregate and construction materials.
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