Assessment criteria and
Learning outcomes:
·
I know different ways solids and liquids
are similar or different.
·
I know lots of different liquids and
know what makes a liquid a liquid.
·
I have experimented with powders and
similar solids and can explain how they behave like liquids.
·
I can use capacity measuring equipment
and read the scales accurately.
·
I have experimented with different
liquids and can explain how they keep their volume and change shape in
different containers.
·
I can explain and keep record of what is
happening.
·
I can use a table to show my results.
·
I know I must check my observations and
measurements by repeating them.
·
I know how to change water into ice and
make it into water again.
·
I know how to make chocolate liquid and
make it solid again.
·
I can explain what is happening using my
science knowledge.
·
I can explain melting, solidifying and
freezing using my science knowledge.
·
I know what kind of things change and
cannot be changed back.
·
I have used sieves to separate things of
different sizes, including the different grains in soil.
·
I have experimented with different materials
to find out what kinds of things will dissolve in water.
·
I know what a solution is and how to make
one.
·
I can separate undissolved solids from a
liquid. I know that this method is called filtration.
·
I know that sugar and salt dissolve in
water; I can say how they can be separated from the water.
·
I can suggest what might happen and explain
why.
·
I can decide what equipment I need for
my investigation.
·
I can write clear accounts and explain
my results using my scientific knowledge.
·
I think that the amount of sugar that
will dissolve depends upon the temperature of the water. If it were hotter,
more would dissolve.
·
I know that sugar dissolves more quickly
in warm water and wonder if salt would do the same.
·
I can repeat the test using different substances,
or liquids.
·
I can carry out all my investigations safely.
·
I can use a table and spreadsheet to
show my results.
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