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Download Science Chapter 4 Study Guide Vocabulary
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Transcript
Science Chapter 4 Study Guide Vocabulary pollution—harmful materials in the air, water, or land and burning fossil fuels causes pollution nonrenewable resource—resources that can not be replace (example-fuel, coal, natural gas) Natural resource—a useful material from nature (ex. Water, soil) landforms—land features such as mountains and canyons sun—a star of hot glowing gases planets—large bodies of rock or gas that revolve around the sun minerals--the basic building block of rocks (example-sulfur, salt) conservation—to use resources wisely (example—turn off lights) Sedimentary Rocks—rocks made of sand or sediment and is pressed into layers. This would be a good place to find a fossil. (ex. Sandstone, shale) Igneous Rocks—made from melted rock from a volcano that has cooled (ex. granite) Metamorphic Rocks—made through the process of heating or squeezing (ex. slate) Facts Continents— large land masses. (Ex. Australia, Asia, Europe, North America, South America, Antarctica, Africa) Rotate—to spin it takes Earth 1 day or 24 hours for one rotation Revolve—to go around an object on revolution around the sun it takes Earth 1 year or 365 days to make 3 R’s Gems—diamond, topaz, ruby Reduce Reuse Four Properties of Rocks Recycle Color—the color of the rock Luster—the way light bounces off the minerals Streak—the color of the powder inside rock left behind Hardness—how hard or soft the rock is Be able to tell at least 3 ways to reduce the use of fossil fuels. Use less electricity, walk, ride a bike instead of driving, carpool Be able to explain why people can’t see lights during the daytime. The stars are always out but the Sun’s light is so bright it blocks the star’s light Be able to compare the Grand Canyon and the Mariana Trench Both are landforms Grand Canyon is the largest canyon in US Mariana Trench is the largest ocean trench