Minerals
Shiny,metallic, and dull describe what mineral property?
luster
A rock is made of what?
one or more minerals
What is the process of wearing away rocks?
weathering
Where do most earthquakes occur?
along a fault
What are 3 examples of nonrenewable resources?
coal, oil, natural gas, soil, minerals, and old growth trees
What does the mineral property streak describe?
color of powder left behind when the mineral is rubbed against a white tile
Rocks are classified into what three groups?
igneous, sedimentary, and metamorphic
What is deposition?
sediment settles out of water or is dropped by wind
What are the earth's four layers in order?
crust, mantle, outer core, inner core
What is conservation?
preserving or protecting natural resources
Why is color not a good property to use when classifying minerals?
Some minerals are found in many different colors like quartz.
Which type of rock is likely to form near volcanoes?
igneous
What process will most likely cause the Grand Canyon to continue to get deeper and deeper?
erosion
The 10 plates float on what layer of the earth?
mantle
How are acid rain and smog similar?
They are both kinds of air pollution caused by poisonous chemicals.
How can you determine the hardness of a mineral?
compare it to a mineral on Mohs hardness scale
Which type of rock's name means change form?
metamorphic
What is the explanation for the hand motions for weathering, erosion, and deposition?
weathering - pounding fists
erosion - moving fingers
deposition - dropping fingers
What is the difference between a landform and topography?
landform - single natural land shape
topography - all of the landforms in a certain area
Why is the conservation of nonrenewable resources so important?
It takes too long for them to replace themselves. When they are gone, they are gone.
An unknown mineral can be scratched by number 7, and the unknown mineral can scratch number 5. What is its hardness?
6
How are sedimentary rocks formed?
weathering, erosion, deposition, forming layers that are cemented together
How can waves be responsible for both erosion and deposition?
erosion - waves carry sand away
deposition - waves drop sand on the shore
What do mountains, volcanoes, and earthquakes have in common?
They are the result of plates moving.
What is an example for each of the 3R's?
reduce - turn off lights when you leave the room
reuse - give old clothes to Goodwill
recycle - melt down aluminum cans