what are the 3 types of rocks?
igneous, metamorphic, sedimentary
a mineral is...
a solid material found in nature that was never alive
any remaining part of a living thing that died long ago is called a ___________________
fossil
soil is made up of 4 things
1. rocks
2. humus
3. water
4. air
weathering means...
the breaking down of rocks into smaller pieces
I form when layers of sediment are pressed together and harden. Which rock am I?
sedimentary
rocks are made out of one or more __________
minerals
an opening in the earth that allows melted rock to come to the surface is called a ____________
volcano
what are the 3 layers of soil
topsoil
subsoil
bedrock
decay means
to break apart or rot
I form when igneous or sedimentary rocks are changed by great heat and pressure. Which rock am I?
metamorphic rock
How are minerals and knowing about them useful?
teacher response
rocks are classified by how they are ___________
formed
plants grow in this layer of soil
topsoil
The surface of the earth NEVER changes
True or false?
false! The earth's surfaces is always changing
I form when melted rocks cool. Which rock am I?
igneous rock
what are the 4 characteristics that can be used to identify a mineral
1. how hard it is
2. what color it is
3. what shape the crystal is
4. what color of streak it makes
hard pieces of the earth's surface are called ______
rocks!
the breaking of rocks into smaller pieces is called
weathering
What is one cool fact you learned about geology?
teacher response
rocks are classified by how they are_________
formed
which mineral was the hardest in our scratch test?
quartz!
Humus is...
made from dead plants and animals
______ supports or proves the Flood happened
fossils
Why would a plant grow well where lots of animals or other plants have died?
the dead animals and plants make humus which has lots of nutrients for the plants! Remember Squanto