Download Soil_Profile lesson Y3

Place
your shadow
A profile
is what in
this whitelooks
box and
something
like
draw
it!
from around
the side.
SOIL PROFILE VIDEO http://www.youtube.com/watch?v=vqtdFaclWf0
4 min vid about how soil is formed (only if time) Start at 1:45 http://www.youtube.com/watch?v=amt-sPIbgK0
Topsoil
Subsoil
Rocky soil
Bedrock
If you could
Islice
knew
a piece
you´d
ask!
of Earth,
Click me
it
would
to find
lookout!
like
this:
But why are
Ah, so there
there
are 4 main
different
layers!
layers?
1) Label the sections
of your soil profile
with these parts:
•
•
•
•
Rocky Soil
Subsoil
Bedrock
Topsoil
2) Complete these
explanations using the
vocabulary below:
- Rock
- Light
- Rotting plants
- Dark
- Solid
- less fertile
1) Topsoil is ……………….. and full of
…………………………
2) Subsoil is ………………. coloured
and ………………………………….
3) Rocky Soil has pieces of
……………… that are breaking down
and is starting to become soil.
4) Bedrock is ………………. Rock.
Giles, I might demonstrate (ask children to instruct this to the class using (in a clear2 litre
lemonade botltle with the top cut off): Stones first, then
gravel, then clay, then sand, then soil or peat, then some leaves.
1) Fill the
Then again I might just delete this page!
bottle with the
correct rocks and soils to
make each layer.
2) Label each layer using
masking tape.
Giles, I thought I’d get them to make their soil testing apparatus
for next week: Give then an empty lemonade bottle each and ask
them to put a scale on it using masking tape strips on the outside
Measuing 100, 200 and 300 ml levels
1) Pour 100ml of water into your
bottle. Mark where it levels out
with masking tape and a pencil
2) Add another 100 ml of water and
mark 200 ml
1) Repeat and mark 300 ml of water