What type of weathering causes rock to break apart without changing their chemical composition.
What is physical weathering
100
What is air, water, organic matter, rocks that have been weathered, and minerals?
The 5 components of soil
100
What is a graduated cylinder used to measure?
volume
100
What is the formula for calculating density?
D = M/V
Density = Mass divided by Volume
100
How are rocks classified?
By how they are formed.
200
List at least 4 examples of physical weathering
Abrasion, ice wedging, root wedging, or animals burrowing into the ground.
200
What is humus?
The decayed organic matter in soil
200
What is the basic unit we use when calculating mass, AND what tool measures mass?
gram, triple beam balance
200
Name the layers of the Earth from the most dense to the least dense
Inner core, outer core, mantle, crust
200
What are 6 physical properties of minerals to help identify them?
Hardness, streak, luster, density, color, and crystal form
300
What happens when weathering involves the reaction of some chemicals on rocks.
chemical weathering
300
What is the A horizon
Layer of soil that will support plant and animal life
300
What is the basic unit we use when calculating volume?
liter
300
During which moon phase do we see a solar eclipse, and which part of the sun is visible?
The new moon, corona
300
What is the Law of Superposition?
The idea that if undisturbed, the oldest rock layers are at the bottom and the youngest are at the top.
400
Give at least 3 examples of chemical weathering.
examples of chemical weathering
Oxidation, acid rain, dissolving limestone, and lichen.
400
Which climate type has conditions for the fastest chemical weathering?
Hot and wet climate
400
What is the melting and freezing point in the metric system?
100 and 0 degrees Celcius
400
How are the moon, Sun and Earth positioned during a solar eclipse?
The moon is between the Earth and the Sun.
400
How are metamorphic rocks formed and classified?
Metamorphic rocks are formed from heat and pressure, and are classified as foliated and non foliated.
500
What is the process of dropping, or depositing, sediment in a new location.
What is deposition
500
What is the layer of soil that is at the bottom of the soil profile and is made up entirely of unweathered rock?
bedrock
500
Describe the step by step process of the water displacement method...
Fill a graduated cylinder with water. Get a measurement. Place your object into the water. Measure the amount in the graduated cylinder. Subtract the new amount from the original amount of water. You have your volume!
500
What do the processes of compaction and cementation form?
Sedimentary rocks
500
How are igneous rocks classified, and give an example of each.
They are classified by where they cool and harden, intrusive (granite) or extrusive (basalt, pumice, obsidian)