_____________ is a natural process that breaks rocks into smaller pieces.
What is weathering.
100
____________ are different kinds of crystals that make up rocks.
What is minerals.
100
_______ is a common mineral found in rock.
What is mica
100
__________ ranks a 1 on Mohs scale and is a very soft mineral.
What is talc.
200
Metallic, shiny, dull, glossy, etc. are all words that describe a mineral's ___________.
What is luster.
200
T/F: Quartz is a 7 on Mohs scale.
What is true.
200
_________ is made up of small bits of rock, plant and animal remains, and live animals.
What is soil.
200
T/F: Igneous rocks are formed in layers.
What is false --> Sedimentary rocks are formed in layers.
200
______ is the color of the powder a mineral leaves after being scratched on a ceramic plate.
What is streak
300
Which of these can form fossils?
a) bones and leaves
b) composite rocks and plants
c) both a and b
d)none of these
What is a) bones and leaves.
300
_________ is an example of an igneous rock that cools very quickly/rapidly.
What is Obsidian.
300
Which type of rock is formed from melted rock that has cooled?
What is Igneous rock.
300
If one rock changes due to heat/pressure, it is now a ____________ rock.
What is Metamorphic. Key word=changes and heat/pressure.
300
Mohs scale measures what property of rocks/minerals?
What is hardness.
400
List 4 different ways to classify rocks/minerals by their properties.
What is ...you NEED 4 of the following luster, streak, color, shape, size, hardness ...etc.
400
How are rocks and minerals related?
What is minerals make up rocks.
400
A number 1 on Mohs scale is _________er than a number 10 on the scale.
What is softer
400
What mineral is a 10 on Mohs scale?
What is diamond.
400
What mineral is a 1 on Mohs scale?
What is Talc.
500
What mineral is a 7 on Mohs scale?
What is quartz.
500
What are three things scientists can tell from a fossil?
What is ...There are 4. You need to have 3 of the following: 1)What the animal looked like. 2)What the environment was like. 3)How the environment has changed. 4) What ancient plant or animal life was like.
500
How is soil formed?
What is ...Soil forms when weathering causes rocks to break apart (water and plant roots help break rocks apart).
500
What does soil contain?
What is ...Soil contains small bits of rock, decaying plants and animals, and tiny life forms.
500
List the three types of rocks. Describe how each one forms.
What is ...1)Sedimentary- made from layers of hardened sediment. 2)Igneous- made from molten rock (hard magma/lava) 3)Metamorphic- heat and pressure changes one rock to another.