Rock Types
Name the 3 Types of Rocks
Igneous, Sedimentary, Metamorphic
+1
Which mineral property is NOT useful in identifying minerals?
Color
+10
Define weathering and erosion
+7
Which type of rock is formed by weathering, erosion and layering
Sedimentary
-10
What are the two types of metamorphic rocks
Foliated and Nonfoliated
+2
What is streak?
The color of the dust left behind on a streak plate
-2
What are the two types of weathering
Physical and Chemical
+4
Which type of rock is formed by magma cooling
Igneous
+6
True or False. Sedimentary rocks are usually hard
False
+9
Describe metallic luster
Opaque (not see through) and reflective
-4
Define physical and chemical weathering
-3
Which type of rock is formed by heat and pressure
Metamorphic
-5
Compare and Contrast intrusive and extrusive igneous rocks
intrusive rocks have crystals and form inside the earth, Extrusive are smooth and form outside the earth.
-8
Why do we use two different colors of streak plate
-7
What is an example of physical weathering
Answers may vary
+8
True or False. The starting rock matters in the rock cycle
False
+5
ID this rock sample
0
If a mineral does not get scratched by a 3 but does get scratched by a 4. What is its hardness
Between 3 and 4
-9
What are 2 examples of chemical weathering
Answers may vary
+3
True or False. An igneous rock can melt and cool back down to form a new igneous rock
True
-1