Procedure:

1. A. Measure and record the mass of a sample of granite, limestone, marble and basalt (you may also measure the size or volume of each sample)
2. Place one sample of granite, limestone, marble and basalt in baby food jars filled only with air. Label each jar
3. Place the cover on each jar. Put your safety goggles over your eyes
4. Shake the jar and record any changes in the rock.
5. Observe the sample after 20 minutes and again after 24 hours. Record your data
6. Put your safety goggles
7. Use a rock hammer to crush part of each rock sample into smaller pieces
8. Separate the each crushed sample into two piles
9. B. Measure and record the mass of small pieces of crushed pieces of each samples ( you may also measure the size of the pieces or their combined volume)
10. Place these pieces into separate baby food jars Label each jar.
11. Draw and describe the whole and crushed samples. Remember to label your diagrams
12. Add club soda to cover the crushed rock in each jar. Put the lid on tightly
13. Put on your safety goggles
14. Holding the top of the jar securely shake the jars.
15. Check the sample after 20 minutes and record your observations
16. Observe and record any changes after 24 hours
17. C. Place the larger piece of each rock sample in a jar and. add tap water
18. Put on your safety goggles
19. Close the lid tightly and shake each jar.
20. Draw and describe these jars. Observe after 20 minutes and again the next day.
21. Shake and observe the contents of each of the jars each day for a month.
22. Record any changes in the samples in group A, B and C
23. Remove the lids from the jars and strain out the solid content from the samples with the club soda and the tap water. Reserve and record your observations of the solid pieces and the liquid
24. Air dry the samples
25. Measure and record the mass of each of the samples in Parts A, B and C. Use only the large solid sample in jars from A
26. Place the samples back into their jars and add new club soda or tap water to the jars from part B and C
27. Continue the process of shaking, straining, massing and adding new club soda throughout the school year until you observe and measure a change.