Monday October 27, 2014
LTLT: I can identify and analyze data to describe how major
geologic events have changed organisms over time.
Learning
target: I can describe the rock cycle
Criteria for Success
I can simulate
the rock cycle using crayons.
I describe the
three different types of rocks
Analysis:
What is the rock cycle?
Synthesis:
How will you create/act out the rock cycle?
Engage
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Warm UP:
What do you know about rocks??
**Share out
using stick jar
**Review LTLT,
LT & CS
**Have rocks on
my table
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Explore
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Crayon Rock Cycle Lab
What are the three types of
rocks in the world?
*Igneous:
*Metamorphic:
*Sedimentary:
-Give them this information
Today, you will be using
crayons to model the processes that create each of these 3 types of rock
*Hand out lab sheets
Card Placements:
After completing the lab, use
the cards, and place them where you think the need to go for the rock cycle.
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Explain (Note:
It may be appropriate to provide explicit teacher instruction during
this component of the lesson.)
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Notes:
What is
the rock cycle? Hand out notecatcher
Q: What are the three types
of rocks in the world?
*Igneous:
*Metamorphic:
*Sedimentary:
-Give them this information
Q: How
is each type of rock formed?
Use Cards on the board:
-The Rock Cycle
is a pattern of events that occurs
over and over. It is a pattern of the events that change rock. It is like a big circle. You start with the sedimentary rock. It may change if it
gets buried. It may change into metamorphic rock with heat and pressure. It can also melt and become magma. If the magma cools and
then hardens it is now igneous
rock.
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Extend
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Rock Cycle
Representations:
Create
your own version/representation of the rock cycle…I had you guys use crayons,
What will you use?
Extra: Acting Out
Today, in pairs or groups of 3,
you will be acting out the rock cycle. You will have 15 min to prepare, and
will present your act to the class.
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Evaluate
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Q: With
your shoulder partner, what are some of the ways rock changes during the rock
cycle.
Exit
ticket: 3-2-1
1. What
are at least 3 ways that rocks change during the rock cycle?
2. Choose
2 rocks to explain how they form
3. What is
1 explanation of the rock cycle?
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Materials needed:
Aluminum Foil
Crayons
Scissors/pencil sharpeners
Class set of rock cycle sets
LT:
I can explain the rock cycle
Name
________________ Date: ____________
Class Period: _______
The
Rock Cycle Crayon Lab
How
do rocks form? Are new rocks forming at this moment? Why do they break up into
small pieces? Why are there layers and streaks?
Materials:
*4 different color crayons
*Pencil
Sharpener or scissors
*Aluminum
Foil
Part 1: Weathering
Gather
your materials. The crayons represent your parent rock material and the pencil sharpener/scissors
represent natural forces.
Spread
out your aluminum foil.
Shave
each crayon color into a small pile onto the aluminum foil. Keep each color
separate.
Q: If your crayons represent rocks, and the wax shavings
represent rock fragments, then are all your "rock fragments" the same
size?
________________________________________________________________________________
Q:
Why or why not?
________________________________________________________________________________
Q:
What are some of nature's weathering forces?
________________________________________________________________________________
Part 2: Erosion & SedimentationYou are now the erosion force.
Carefully "erode" (move) one color of your "rock
fragments"
and put them in the center of the foil making a pile" to the
"sediment."
Continue
adding the other "rock fragments" to the "sediment."
When
finished fold each side of the foil over the "rock fragments."
Q:
How does this relate to natural forces and rock creation?
________________________________________________________________________________
Part 3: Compaction, Cementation &
Lithification
Place
your "rock fragment" sandwich on the lab table. GENTLY compress your
package by carefully applying pressure with your hand. Carefully open your
package.
Break
apart the compressed shavings, and look at the broken edges.
________________________________________________________________________________
Q: How do they compare to the original layers?
________________________________________________________________________________
Q: What happened to the spaces between the fragments?
________________________________________________________________________________
Q: What kind of rock does this represent?
________________________________________________________________________________
________________________________________________________________________________
Part 4: Metamorphism
Replace
the fragments and rewrap your package. Your rocks are now going to be
buried
deep within the earth or be subjected to mountain building.
Add
as much pressure as you can by standing with one foot on your package and
applying all of your body weight to it.
Remove
your newly formed "metamorphic rock." Open the foil and break your
rocks open.
Q: What do they look like?
________________________________________________________________________________
Q: What happened to the thickness of the shavings?
________________________________________________________________________________
Q: What happened to the fragment shapes
________________________________________________________________________________
Q:
What happened to and the texture of the rock shavings?
________________________________________________________________________________
Q: What kind of rock does this represent?
________________________________________________________________________________
________________________________________________________________________________
Part 5: Igneous Rock Formation &
Volcanic Activity
Rewrap
your rocks and heat them up. You will want to hold them in the hands, to try to
create heat. You are trying to melt the shavings.
**As
you are trying to heat this up, get a set of rock cycle cards, and
attempt to place them in order.
Q: What kind of texture and shape do you see?
________________________________________________________________________________
Q: What kind of rock does this represent?
________________________________________________________________________________
Q:
How did it form?
________________________________________________________________________________
The Rock Cycle is a pattern of events that occurs over and over. It is a pattern of the
events that change rock. It is like a big
circle. You start with the sedimentary
rock. It may change if it gets
buried. It may change into metamorphic
rock with heat and pressure. It
can also melt and become magma. If the magma cools and then hardens it is now igneous rock.
