1) How are sedimentary rocks formed? a) They are deposited over time at the bottom of lakes and oceans. It is compressed over a long period of time. b) Liquid magma forms underground. When it spills out the lava cools. c) They are changed over time by extreme pressure and heat. 2) How are igneous rocks formed? a) They are deposited over time at the bottom of lakes and oceans. It is compressed over a long period of time. b) Liquid magma forms underground. When it spills out the lava cools. c) They are changed over time by extreme pressure and heat. 3) How are metamorphic rocks formed? a) They are deposited over time at the bottom of lakes and oceans. It is compressed over a long period of time. b) Liquid magma forms underground. When it spills out the lava cools. c) They are changed over time by extreme pressure and heat. 4) What are the key properties of rocks? a) Top/Bottom; Wet/Dry; Age b) Magma; Lava; Minerals; Organic c) Hard /Soft; Permeable/Impermeable; Durability; Density 5) Who was Mary Anning? a) A teacher at Chesswood Junior School. b) A famous British fossil hunter who found the fossils of many prehistoric animals c) An Engineering Geologist who tests soils for land contamination and assesses the risks of building. 6) Who is Graham Carter? a) A teacher at Chesswood Junior School. b) A famous British fossil hunter who found the fossils of many prehistoric animals c) An Engineering Geologist who tests soils for land contamination and assesses the risks of building.

Year 3 Rocks - Key Knowledge Assembly

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