
Rocks Summary (KS3)
- Sedimentary Rocks
Formation: Made from layers of sediments pressed and cemented together.
Properties: Soft, crumbly, layered, may contain fossils.
Examples: Sandstone, Shale, Limestone.
Uses: Building materials, cement, fossils, soil improvement.
- Igneous Rocks
Formation: Formed when magma or lava cools and hardens.
Intrusive: Cool slowly underground, large crystals (e.g., Granite)
Extrusive: Cool quickly on the surface, small crystals (e.g., Basalt)
Properties: Hard, strong, crystalline, no fossils.
Uses: Buildings, roads, tiles, statues.
- Metamorphic Rocks
Formation: Formed when existing rocks are changed by heat and pressure.
Properties: Hard, strong, often layered (foliated), no fossils.
Examples: Marble (from limestone), Slate (from shale)
Uses: Flooring, roofing, statues, construction.
Something went wrong, please try again later.
This resource hasn't been reviewed yet
To ensure quality for our reviews, only customers who have purchased this resource can review it
to let us know if it violates our terms and conditions.
Our customer service team will review your report and will be in touch.