Evaluate - soil experiment

1.

2.

3.

1) What do we use to measure mass?
scales
2) What are nutrients?
substances found in soil which help plants grow
3) True or false?
__Both plants and animals can become fossils.
true
4) What does brittle mean?
easily broken

4.

5.

Find the matching key words and definitions.
what has been
found out
during an
investigation
absorb
conclusion
information
collected, such
as facts,
observations
or number
soil
to take in water
to consider the
quality of the
results and
suggest
improvements
evaluation
a mixture of
small rocks,
organic matter
and water
data

6.

7.

Why is soil so important to living things?
Soil provides animals with a habitat and plants
with nutrients needed for growth.

8.

Different
There
soils
areabsorb
lots of different
different amounts
types of soil.
of water.
clay
sandy
chalky
peat

9.

Which soil absorbs
the most water?

10.

Here are Annie’s results.
Type of soil
Volume of water collected (ml)
chalky
22
sandy
27
peat
18
clay
14
I predicted that sandy soil would
absorb the most water because
sand gets wet at the beach.
Was Annie’s prediction correct?
no – sandy soil absorbed the least water

11.

Now we have carried out our investigation,
we need to make a conclusion.
What is a conclusion?
A conclusion is what we have found out during an
investigation based on what we have measured.

12.

To make a conclusion we need to look at our results.
Type of soil
Volume of water collected (ml)
chalky
22
sandy
27
peat
18
clay
14
Which
Why do
soilyou
absorbed
think clay
thesoil
most
absorbed
water from
the most
thesewater?
results?
Clay
There
soilare
absorbed
lots of little
the most
air holes
water.
in
clay soil that can fill up with water.

13.

Which soil
What
absorbed
does this
the
tell
least
youwater
aboutfrom
sandy
these
soil?results?
Type of soil
Volume of water collected (ml)
chalky
22
sandy
27
peat
18
clay
14
Sandy
Sandy
soilsoil
is not
absorbed
good atthe
absorbing
least water.
water.

14.

Order the soils from most absorbent to least absorbent.
Type of soil
Volume of water collected (ml)
chalky
22
sandy
27
peat
18
clay
14
most absorbent
least absorbent

15.

Teddy and Kim are comparing their results.
Type of soil
Volume of water collected (ml)
chalky
21
sandy
28
peat
17
clay
14
Type of soil
Volume of water collected (ml)
chalky
24
sandy
26
peat
18
clay
15
What
patterns
do you
notice inresults?
their results?
Why
is it good
to compare
They
Comparing
both found
ourthat
results
sandy
allows
soil was
us tothe
spot
least
patterns.
absorbent.

16.

WhatThese
do you
results
noticeare
about
not accurate.
these results?
Type of soil
Volume of water collected (ml)
chalky
19
sandy
13
peat
17
clay
14
What might have gone wrong?
They found that sandy soil was the most absorbent soil.
different masses of soil samples
different volumes of water
different filter papers

17.

18.

19.

?
What is the
best soil for
growing
sunflowers?
Does more
soil absorb
more water?
Evaluate
How much
water does
the soil on our
school field
absorb?

20.

Have a go at questions # - #

21.

Which soil absorbs
the most water?

22.

23.

The characters
Annie
Amir
Alex
Whitney
Tommy
Teddy
Dexter
Rosie
Sam
Max
Mo
Jo
Kim
Ron
Jack
Eva
Eva
Tiny
Diddy