Download Science Chapter 4 Study Guide Vocabulary

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