Rocks are made of minerals that are found in the Earth's crust. Rocks come in many sizes and shapes and are used for different things. We can classify rocks by their origin, composition, and texture.
Rocks: Earth's Building Blocks
Most rocks are made up of two or more minerals that are combined together. Rocks are constantly changing due to weathering and erosion. The world's oldest rock is estimated to be 4 billion years old!
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How does the different types of rocks affect the environment?
What are some of the uses for rocks in everyday life?
How do rocks form over time?
Question: What is the difference between a sedimentary and an igneous rock? Clues: • Sedimentary rocks form from particles of sand, shells, pebbles and other materials that have been pressed and cemented together. • Igneous rocks are formed from molten material called magma that has cooled and hardened. • Sedimentary rocks often have layers, while igneous rocks do not. In pairs: Select and solve one of the tasks: A. Draw a picture of how each type of rock is formed. B. Explain the differences between the two types of rocks in a short story.
What are the three types of rocks?
- Igneous, Sedimentary and Metamorphic
- Granite, Marble and Basalt
- Metals, Minerals and Gemstones
- Carbonates, Oxides and Sulfides
Which type of rock is formed by cooling lava or magma?
- Igneous rock
- Sedimentary rock
- Metamorphic rock
What type of rock is formed from layers of sediment?
- Sedimentary rock
- Igneous Rock
- Metamorphic Rock
What type of rocks are made up from other rocks that have changed because of heat or pressure?
- Metamorphic Rocks
- Sedimentary Rocks
- Igneous Rocks
Which kind of rocks can be found on the beach?
- Sedimentary Rocks
- Metamorphic Rocks
- Igneous Rocks
What is one new thing you learned about rocks?