SOIL
What is a Natural Resource?
A substance found in nature that has many important uses.
Why is TOP SOIL the DARKEST?
Because it is the RICHEST and holds the most HUMUS.
SUBSOIL IS MORE TIGHTLY PACKED THAN TOP SOIL, TRUE OR FALSE
TRUE!!!!!
What is the HEAVIEST SOIL?
Sandy Soil ... and it DRIES QUICK after the rain because its big pieces cannot hold water.
What is SOIL EROSION?
Soil erosion is when soil is BLOWN away by WIND or washed away by WATER
What does soil start like and how long does it take to form?
It starts as SOLID ROCK and it takes MANY YEARS to form.
What is HUMUS made up of?
It is a mixture of ROTTING LEAVES, DEAD PLANTS, and ANIMAL WASTE
What is STRONG enough to PUSH through SUBSOIL?
Only LARGE BUSHES AND TREES are STRONG enough to make it through Subsoil.
What takes LONGER to dry than SANDY SOIL and WHY?
SILT takes longer to dry and its because it has littler pieces that take longer to dry.
What are FERTILIZERS?
Chemicals, some farmers use them to make their crops grow better, but they can be harmful to people, plants and animals.
What is EACH FLAT LAYER OF SOIL CALLED?
Why do Gardeners plant seeds in TOPSOIL?
Because it has the NUTRIENTS the plants need to grow well.
What is BELOW SUBSOIL?
FRAGMENTED ROCK LAYER which is PIECES OF ROCK
What soil takes the LONGEST TIME to Dry and WHY???
CLAY SOIL takes the longest! That is because Clay soil's particles are the smallest and lightest of ALL SOILS!
What are TWO ways we can take better care of soil?
RECYCLING and COMPOSTING
What layer of soil can you see at the SURFACE?
TOP SOIL
What is UNDERNEATH TOP SOIL?
SUBSOIL
What is below FRAGMENTED ROCK LAYER?
What is LOAM made out of?
EQUAL PARTS SAND AND SILT and just a little Clay mixed in
What did the TRIANGLE say to the CIRCLE??
You're Pointless hahaha
Which soil is the DARKEST?
TOP SOIL
Why is SUBSOIL Lighter than TOP SOIL?
It looks lighter because it has LESS HUMUS.
What are the THREE MAIN INGREDIENTS IN SOIL?
SAND, SILT and CLAY
Because the soil holds JUST the right amount of nutrients, water, and air.
IHOP