rock observations

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Lesson Aims Here are sedimentary rocks How sedimentary rocks are made Sandstone Why fossils are in sedimentary rocks Lesson Aims Cut out the five pictures How sedimentary rocks are made Stick them into your book in the same order Why fossils are in sedimentary rocks Match them up with these statements Acid rain makes a crack in the rock Bits of the rock fall off The ice expands Water in the crack freezes The rock is cracked Write the statements beside the pictures Lesson Aims We left the plaster to go hard How sedimentary rocks are made We put some plaster into the mould Why fossils are in sedimentary rocks We made a mould out of plasticine We pushed a shell into the plasticine We mixed up some plaster Lesson Aims Sedimentary rocks How sedimentary rocks are made weathered the When old rocks are ………………… bits are transported ………………… to other places Why fossils are in sedimentary rocks squashed into Layers which are ………………… settle When the bits ………………… they form new rock squashed weathered settle transported Crystals in igneous rocks Cut out the two crystal pictures Stick them in your book Write these descriptions beside the correct picture These crystals are big They were made when the rock cooled slowly These crystals are small They were made when the rock cooled quickly molten Rock Igneous rock starts as ………………… crystals are made when it cools ………………… slowly If it cools …………………, they will be big fossils There are never ………………… in igneous rock because melted they get ………………… crystals melted molten slowly fossils Sedimentary rocks like sandstone and limestone are soft rocks They are made by bits of weathered rocks settling in layers They are made of grains Sedimentary rocks are the type most likely to have fossils Igneous rocks like granite very hard rocks They are made of crystals that formed as molten lava cooled Igneous rocks never have fossils Metamorphic rocks like slate and marble are also very hard rocks They are made of crystals that formed as other rocks were changed by heat and pressure Metamorphic rocks don’t often have fossils Rock name Are Are there Mass there grains? before crystals? putting in water (g) Mass Were after there any putting in bubbles? water (g) Sandstone Granite Sandstone and granite are different rocks because… I think that the sandstone changed mass the most because… Metamorphic rocks like slate and marble are very hard rocks They are made of crystals that formed as other rocks were changed by heat and pressure Metamorphic rocks don’t often have fossils Lesson Aims How sedimentary rocks are made Why fossils are in sedimentary rocks When new rocks are made, they break start to ………………… down into small pieces This is called weathering ………………… wind This is done by ………………… , water ice ………………… and ………………… ice wind break weathering water [...]...Metamorphic rocks like slate and marble are very hard rocks They are made of crystals that formed as other rocks were changed by heat and pressure Metamorphic rocks don’t often have fossils Lesson Aims How sedimentary rocks are made Why fossils are in sedimentary rocks When new rocks are made, they break start to ………………… down into small pieces
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