Rock Types
Rock Types
Changin Rocks
Soil
100
Scientists examine this to tell rocks apart.
What is physical properties?
100
This rock is formed from other types of rocks through extreme heat and pressure.
What is metamorphic rocks?
100
When rocks are broken down into smaller pieces.
What is weathering?
100
This substances makes up the majority of soil.
What is air?
200
The classifications of rocks are based on this.
What is how rocks are formed?
200
This type of rock is formed from layers of sediments being pushed together.
What is sedimentary rocks?
200
When rocks are moved from one place to another.
What is erosion?
200
This substance forms the hard underlaying layer of Earth's surface.
What is bedrock?
300
Where do most fossils form?
What is inside sedimentary rocks?
300
This type of rock is formed when lava cools and hardens.
What is igneous rock?
300
What causes most weathering?
What is water
300
Remianns of dead plants and animals make up this.
What is humus?
400
What can scientists learn from studying fossils?
About animals and people that lived centuries ago. Plants that were around centuries ago, etc. Example the dinosaurs.
400
These remains in rocks give us clues to the past.
What is fossils?
400
When a plant grows up from a sidewalk, it is an example of what?
What is weathering?
400
Layers in the soil are called this.
What is horizons?
500
The process rocks undergo through many years that changes them to different rocks.
What is the rock cycle.
500
If you were a farmer would you rather plant your crops in a rainforest, grassland, or desert? Think about soil.
Grassland. This soil will be the richest and high in humus. Desert soil is too dry and rainforest soil is too wet.
500
Give an example of weathering and how it can affect that item over many years.
Will accept many forms.
500
This is the largest particle that makes up soil.
What is sand?
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