Soil Your Underwear Challenge
Activity 3

Sing With Us The soil is alive! ACTIVITY DESCRIPTION This sing-along guides you through the 5 factors of soil formation: parent material, relief, climate, organisms, and time. Click/Touch to enlarge image X X A rock represents a soil’s parent material. Imagine a rock falling off a bluff to the ground below, where it begins to… Continue reading

Soil Your Underwear Challenge
Activity 2

Seed Assay Can you expose the hidden plants in your soil? ACTIVITY DESCRIPTION Biologists of all kinds use assays to determine how to design their experiments. An assay is an investigative process that reveals which variables can be measured in a study system. In this activity, you’ll determine how many seeds are buried in different… Continue reading

Soil Your Underwear Challenge
Activity 1

Underwear Burial What will the soil do to your underwear? ACTIVITY DESCRIPTION As you bury 2 pairs of underwear, you’ll uncover diverse life underground and discover how soil changes the deeper you dig. Underwear Burial is a jumping off point to other activities in this book. This activity also guides you through the procedures scientists… Continue reading