This rock is made from lava that hardens and cools inside the earth's crust.
What is Intrusive Igneous Rocks?
100
All of the following are examples of the properties that minearls can have except: lustre, hardness, color, or humus.
What is humus?
100
This is the last layer of soil. It contains no humus. It is made up of solid rock and all the horizons form on it.
What is bedrock?
100
The middle layer of the earth is called:
What is the inner core?
100
This is the way rocks are worn away and broken apart.
What is erosion?
200
This rock is formed when another rock undergoes extreme heat or pressure.
What is metamorphic?
200
When you scratch a mineral you are testing its_____________
What is hardness?
200
This is the second layer of soil. It has less humus than the top layer so it is a lighter color. Most of the nutrients in soil are found in this layer.
What is subsoil?
200
The crust is floating on the ______
What is mantle?
200
_______is how a rock or mineral looks; if it is shiny or dull.
What is lustre?
300
This rock is formed over time by sediments being pushed together.
What is sedimentary rocks?
300
Minerals are made up of _________________
What are crystals?
300
This is the top layer of soil where plants grow. It is usually dark brown because it has a lot of humus and very little rock.
What is topsoil?
300
The volcano that has gentle slopes, that erupts flowing lava is called:
What is shield volcano?
300
There is only one type of volcano. True or false.
What is false.
400
This rock is formed by magma hardening and cooling.
What is extrusive igneous rocks?
400
Minerals can contain organic material. True or false.
What is false.
400
This type of soil has good drainage, is not easily eroded, contains humus and is fairly fertile.
What is loam?
400
The things that can come out of a volcano during an eruption are:
What is ash and cinders, gas and lava?
400
When doing a hardness test, this is the correct order to test materials.
What is fingernail, penny, metal nail, and emery file.
500
When we did our food samples to represent rocks, our cookies represented what kind of rock?
What is sedimentary?
500
If a mineral can't be scratched by a fingernail, a penny, or a metal nail, but can be scrated by an emery file, we say it's __________.
What is very hard?
500
This type of soil has excellent drainage, but it does not retain nutrients or fertilizers and is not very fertile soil.
What is sand?
500
The two types of lava are:
What are pahoehoe and aa?
500
_____ begins to form when rocks are broken down into rock and mineral particles.