Exploring Types of Rocks
A worksheet for 3rd graders to learn about the three main types of rocks: igneous, sedimentary, and metamorphic.
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Exploring Types of Rocks
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Read each question carefully and answer to the best of your ability. Good luck!
Rocks are all around us! They make up mountains, the ground we walk on, and even tiny grains of sand. Scientists classify rocks into three main types based on how they are formed. Look at the image below to see examples of different rock types.
1. Which type of rock is formed from cooled lava or magma?
Sedimentary
Metamorphic
Igneous
Mineral
2. Fossils are most likely to be found in which type of rock?
Igneous
Sedimentary
Metamorphic
All of the above
3. Rocks are made up of different .
4. When rocks change due to heat and pressure, they become rocks.
5. All rocks are exactly the same.
True
False
6. Sedimentary rocks are formed when layers of sand, mud, and tiny bits of rock pile up over time.
True
False
7. Describe one way you can tell the difference between an igneous rock and a sedimentary rock.