What causes a metamorphic rock to become an igneous rock?
What is melting, then cooling and hardening.
100
Name a fossil found in missouri and then name its modern day relative.
Answer will vary
100
What term describes whether a mineral is shiny or dull?
What is luster
100
The outermost layer of the Earth is called the __________.
What is crust
200
______________ come in different shapes, colors, and sizes.
What are rocks
200
How does a sedimentary rock become a metamorphic rock?
Heat and pressure cause a chemical change in the rock
200
Name a type of sedimentary rock.
Answers will vary.
200
To determine this characteristic of a mineral you rub the rock on a special plate to see what kind of mark it leaves.
What is streak.
200
When sediments settle to form sedimentary rocks the oldest layer is always on the _______________.
What is bottom
300
Scientists who study the physical properties of rocks are called ________________.
who are geologists
300
This helps break a rock into sediment.
What is weathering and erosion
300
Name a type of igneous rock?
Answers will vary
300
To test this characteristic of a mineral you try to scratch the mineral.
What is hardness.
300
This type of fossil came from a sea creature from long ago that was similar to the crab.
What is trilobite
400
2. In what type of rocks are most fossils found?
What are sedimentary
400
Explain how an igneous rock can become sedimentary.
The igneous rock is broken into sediment by weathering and then other layers of sediment fill in on top of that sediment until there is enough pressure from weight of the layers above to cement the sediment into a sedimentary rock.
400
Name a type of metamorphic rock.
Answers will vary.
400
All rocks are made of __________________.
Minerals
400
What are 3 properties used to identify minerals?
What are streak, luster, and hardness
500
Name the 3 types of rocks.
What are sedimentary, igneous, metamorphic
500
Does the rock cycle ever end? Why?
The rock cycle never ends because rocks are always changing due to heat and pressure and erosion and weathering.
500
What is the name for melted liquid rock inside the earth and what does its name become once it reaches the surface of the earth during a volcanic eruption?
What is magma and it becomes lava when it erupts.
500
What is the difference between a rock and a mineral.
Rocks are made by a mixture of different minerals. So minerals are kind of like the ingredients needed to make a rock.
500
The gastropod fossils are related to what modern day animal?