CODES221 Product
Dirty Detective
Materials
Sand
Clay soil
potting soil
Paper towels
12 small cups
Definitions
-Soil: a mixture of minerals, organic matter, air, and water that forms a complex, living ecosystem on the Earth’s surface
-Potting soil:a specially prepared mix of materials like peat moss, compost, and bark designed for planting in containers
-Clay soil: is a type of soil with very fine, plate-shaped particles that feel sticky when wet and can become very hard when dry.Used in construction, pottery,thanks to its ability to be molded, hold water, and support plant roots
Used for plants like roses and other shrubs
-Sand:made of tiny, loose grains of rock and minerals that have been broken down by wind and water over a long time
Procedure
1.Place all 12 cups on the table and fill them with sand,potting soil,and clay soil.
2.Define Soil and the 3 types of soil
- Pass out the Soil Worksheet
4.Pass the cups around and have kids describe descriptors of each cup and what these feel like when dry/wet.
Questions for Student Interactions
Have you guys grown any plants?
What does it feel like?
Did the soil change in color after adding water
How does it feel in contrast to____?
Tips and Tricks
Have paper towels ready this is a messy activity
Ask questions to keep kids engaged