2.5.5

Metamorphic Rocks

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Metamorphic Rocks

Metamorphic rocks are rocks that have changed from either igneous or sedimentary rocks because of intense heat and pressure.

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Metamorphic Rocks

  • Metamorphic comes from the Greek meaning to change form.
  • They are transformed from either igneous or sedimentary rocks.
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Formation and appearance

  • Metamorphic rocks are formed under intense heat and pressure.
  • They can look squashed and even banded.
  • Crystals can appear large.
  • Crystals can appear to be aligned in the same direction.
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Examples and their uses

  • Slate – from Shale/Mudstone (Sedimentary) – used on roofs, gravestones and even in snooker tables.
  • Marble – from limestone (Sedimentary) – kitchen tops, gravestones and other home furnishings.

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1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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