Soil

nutrients

bits of bone

shells

pieces of rock

sand

clay

humus

silt

because sand is made from silt, clay, and loam

because the shells are brightly colored and rocks are dark

because the particles come from different colored rocks

because water changes the color of sand

sand has small particles that feel smooth

water quickly passes through sand particles

sand particles feel gritty and rough

sand has the largest particles of rock

sand has too many bits of shells in it

the rocks in the sand are too small to hold water

the large particles allow water to flow through quickly

sand is made of silt which does not hold water

loam

sand

silt

clay

silt has larger particles than sand and is sticky

silt has smaller particles and holds water better than sand

silt is made from humus and loam

plants grow well in silt because it holds nutrients

clay

silt

loam

sand

small bits of shells and bones

decomposing plants and animals

quartz and feldspar minerals

silt and clay

small bits of shells and bones

decomposing plants and animals

quartz and feldspar minerals

silt and clay