Types of Rocks
Where are sedimentary rocks usually formed?
In bodies of water
The deepest level of soil is called the...
bedrock
The part of the earth that we see every day (that is on the outside) is called the...
Crust
Rocks are made of...
one or more type of minerals.
If you describe a rock as being 'grey-brown', you are describing its...
colour
What are the three types of rocks called?
igneous, sedimentary and metamorphic
The top layer of soil is called the...
humus
The layer below the crust is called the...
mantle
What is it called when you make an educated guess?
A Hypothesis
If you describe a rock as being 'dull', you are describing its...
lustre
Metamorphic rocks need _______ and ________ in order to change.
Heat and pressure
Which layer of soil do most plant roots live in?
Topsoil
The core has two parts. They are called the _______ core and the ________ core.
inner/outer
Which scale is used to determine a rock's hardness? The scale goes from number _____ to number _____.
Moh's scale of hardness; 1-10
If you describe a rock as being 'jagged', you are describing its...
texture
What are the two types of igneous rocks?
Intrusive and extrusive
Which layer of soil has the most living material?
Humus
The ____________ is made up of liquid rock and the ___________ is made up of solid rock.
outer core, inner core
If you did an experiment twice and only changed one thing the second time you did it, it would be considered a...
fair test
Blue, smooth, shiny
How are each of the three types of rocks formed?
Sedimentary - sediments are pushed together
Igneous - uses magma
Metamorphic - takes other types of rocks and uses heat and pressure to change them
Name all five layers of soil
humus, topsoil, subsoil, parent material, bedrock
Name all four layers of the earth from the outside to the inside.
Crust, mantle, outer core, inner core
What is the scientific method?
How scientists do experiments - ask a question, make a hypothesis, do the test, draw conclusions
If a rock fizzes when vinegar is added, what does it have in it?
Carbonates