Most children will:
explain that shadows are formed when light from a source is blocked; recognise that shadows are similar in shape to the objects forming them; describe how a shadow from the Sun changes over the course of a day; make predictions about the shadows formed by different objects or materials and make careful observations and measurements of the shadows
Some children will not have made so much progress and will:
recognise that shadows are similar in shape to the objects forming them, that a shadow from the Sun changes over the course of a day and make observations of changes in shadows
Some children will have progressed further and will also:
explain that the changes in shadows from the Sun over the course of a day arise from the movement of the Earth and that even transparent objects block some light and form shadows
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