1) WEATHERING means rocks break apart. a) true b) false 2) 2. SEDIMENTS are SMALL pieces of rock. a) true b) false 3) 3. TEMPERATURE changes can cause rocks to break. a) true b) false 4) When rocks hit each other they can break apart. a) true b) false 5) Rocks at the bottom of a stream are ROUGH. a) true b) false 6) EROSION is when...  a) Earth's plates collide b) a volcano erupts c) weathered rock moves from place to place 7) 3 main forms of EROSION... a) fire, rain, snow b) wind, fire, ice c) wind, rain, fire d) wind, water, ice 8) Lakes always have the same amount of water. a) true b) false 9) What NATURALLY helps refill lakes? a) forest fires b) tornados c) heavy rain and snow d) using a garden hose 10) What is able to make a valley? a) rain b) glaciers c) snow d) wind 11) What do melting glaciers create? a) swimming pools b) snowflakes c) forests d) runoff and rivers 12) What causes Earth to warm up and speed up melting of glaciers? a) only natural causes b) only human causes c) both human and natural casues d) no known causes 13) Which human activities cause changes to the Earth's surface? a) skiing and snowboarding b) burrowing animals c) growing crops and farming d) hiking and jogging 14) Changing the Earth's surface by growing crops... a) is for entertainment b) provides jobs c) reduces pollution d) preserves wildlife habitats 15) Natural events in Alberta... a) volcanic eruptions and tsunamis b) drought and glacier retreat c) tornados and floods d) b and c 16) Earth's LAYERS. The crust is... a) liquid iron and nickel b) solid from extreme pressure c) the solid surface of Earth d) widest of Earth's layers 17) Earth's LAYERS. The mantel is... a) liquid iron and nickel b) solid from extreme pressure c) the solid surface of Earth d) widest of Earth's layers 18) Earth's LAYERS. The outer core is... a) liquid iron and nickel b) solid from extreme pressure c) the solid surface of Earth d) widest of Earth's layers 19) Earth's LAYERS. The inner core is... a) liquid iron and nickel b) solid from extreme pressure c) the solid surface of Earth d) widest of Earth's layers 20) Why do mountains form? a) tectonic plates hitting b) garbage piling up c) tectonic plates moving away d) humans piling up dirt 21) Earth's layers hold evidence from the past. From this we know that, Alberta has always been COLD. a) true b) false 22) Earth's layers hold evidence form the past. From this we know that the Alberta use to have a sea running through it. a) true b) false 23) Why do we need to know about Earth's Layers? a) it's intersting b) it's in our unit c) so we know how the Earth works and we can protect the environment d) to drill to the center of the Earth 24) Paleontologists are scientists that... a) predict the weather b) work with children c) design buildings d) study fossils 25) FOSSILS are... a) rock shaped by dead animals and plants b) show us that dinosaurs still exist today c) show us that dinosaurs only live in Alberta d) made from frozen solid ice 26) You can find fossils on display in Alberta at... a) The Telus World of Science in Calgary b) Winspear Center in Edmonton c) Royal Alberta Museum in Edmonton d) Phillip J Curry Dinosaur Museum in Wembley 27) Why is it important to have dinosaur fossils displayed? a) they are neat to look at b) showcase history and to educate c) to scare people d) to bring them back to life

Earth Systems Review

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