Name ___________________________________________ Date __________________________
Introduction
Have you ever wondered how bigger rocks have become smaller rocks? There are so many
ways that rocks are broken down and made into smaller rocks. This is called weathering.
Weathering happens every day. It is caused in many different ways through forces of
nature or types of chemical reactions.
:
W
eathering
the proc
ess of breaking down rock and other materials into smaller pieces.
Sedimentary Rocks: rocks that are layered, built up from smaller particles such as sands,
silts and clays.
Materials Needed:
• Tin cans
•
Sedime
ntary
rocks
•
Other rocks
•
Water
• Chart paper
Procedures:
1. D
escribe the 3 main ways rocks are weathered.
_
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2.
Place one sedimentary rock in the can and sha
ke
. Empty the can.
3. Record the results on the chart.
4.
How does the rock look? What has changed?
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