1. The Rock Cycle
A LAB

2. Crayon Rock Lab
Each pair of students needs to collect the following from the front of the class:
3 Crayons- different colours
Piece of wax paper/tin foil
Vegetable Peeler
Rock Cycle handout

3. Crayon Rock Lab
You have be given a sample of crayon rock. List some characteristics about the rock:

4. Igneous Rock formed by cooling and hardening of hot liquid rock
Characteristics
Solid
No fossils
No bands

6. I I
Igneous Rock

7. Crayon Rock Lab
Start with only one crayon, create a pile of crayon shavings on your wax paper.
Once you have shaved your entire crayon place it onto the wax paper

8. Weathering and Erosion
Igneous Rock
Weathering and Erosion
Sediments

9. Crayon Rock Lab
Now fold over the wax paper and press down on the pile as hard as you can
Repeat this same process for the other two crayons
Unwrap the wax paper very carefully
Describe what this looks like:

10. Sedimentary Rock
formed when sediments are pressed and cemented together
Characteristics
Visible layers- curved or flat
Has pores and holes
Has fossils
Makes up 70 % of the rock on the earth

12. Compaction and Cementation Weathering and Erosion
Sediments
Compaction and Cementation
Weathering and Erosion
Sedimentary Rock

13. Crayon Rock Lab
Place your shavings into the metal dish and place it onto the baseboard heater
Mrs. Ashton will tell you when to take it off
Take the dish off and let it cool
Describe what your rock looks like now

14. Metamorphic Rock formed when rocks are changed by heat and pressure
Characteristics
Rarely has fossils
Alternating bands of light and dark rock
Rarely has pores or holes

16. Weathering and Erosion
Igneous Rock
Heat and Pressure
Heat and Pressure
Metamorphic Rock
Sediments
Weathering and Erosion

17. Crayon Rock Lab
Place your dish back on the heat again until the wax has melted into a smooth pool of liquid wax and all the colours have blended together
What has it turned into?

18. Igneous Rock Melting Magma Melting Metamorphic Rock

19. Crayon Rock Lab Allow the wax to cool
What rock type has your crayon rock returned to?
Igneous

20. Weathering and Erosion
Cooling
Igneous Rock
Melting
Weathering and Erosion
Heat and Pressure
Magma
Sediments
Metamorphic Rock

21. Compaction and Cementation Weathering and Erosion
Metamorphic Rock
Sediments
Compaction and Cementation
Weathering and Erosion
Heat and Pressure
Sedimentary Rock

22. Weathering and Erosion
Igneous Rock
Magma
Heat and Pressure
Melting
Weathering and Erosion
Metamorphic Rock
Sediments

23. Definitions
Igneous Rock- formed by cooling and hardening of hot liquid rock
Sedimentary Rock- formed when sediments are pressed and cemented together
Metamorphic Rock- formed when rocks are changed by heat and pressure