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What Are the Properties of Rocks?

Science Masterpiece

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What is a Rock?

  • Here are 2 examples of naturally occurring rocks.
  • Selenite is also a pure mineral.
  • All rocks are made up of 1 or more minerals.
  • Scientists classify rocks based on properties: color, texture, size, hardness.
  • For this lesson, we will focus on the on the hardness of rocks.

Selenite

Sandstone

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Vocabulary

  • Classify – to arrange into groups based on similar characteristics
  • Mineral – a naturally occurring solid substance that takes the form of a crystal and forms different rocks
  • Property – a special quality or characteristic of something
  • Rock – a naturally occurring solid substance made up of one or more minerals; it makes up Earth’s surface
  • Texture – the feel or look of a surface

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Experiment Time

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Conclusion

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Questions