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Introduction
In the unit 'Forces in action' # applied ~ knowledge of a variety of forces, including magnetic attraction, gravitational attraction and friction. ^ has learnt about the changes in motion which occur when forces act on an object. ^ has consolidated ~ understanding that forces have direction and can be measured. ~ experimental and investigative work focused on * making and repeating ~ measurements, considering the patterns in ~ results, representing ~ data in line graphs and then using ~ results to draw ~ own conclusions. The work in this unit also offered * a range of opportunities to use ~ understanding about forces to explain everyday phenomena and to obtain ~ own evidence to test established scientific ideas.
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Gravity
Section 2: Gravity and weight

^ was able to identify weight as a force and the newton (N) as the unit in which it is measured.
^ was able to explain why people seem lighter when walking on the Moon and need special boots.
"
Forces
Section 3: Showing how forces act on objects

^ has described the forces acting on a stationary object such as an object resting on spring scales or a paper clip placed between two magnets.
^ is able to produce annotated drawings showing the direction in which forces are acting on an object.
"
Weighing
Section 4: Weighing in air and water

^ has recorded forcemeter readings for objects suspended in air and in water and identified that the reading in water were less than that in air.
^ has been able to explain why an object appears to weigh less when it is immersed in water than when it is in air due to the water's upward thrust.
"
Checking
Section 5: Checking results


^ has recognised that measurements of the same quantity can vary.
^ is has identified some reasons for the variation such as it wasn't always easy to read the scale or sometimes the pointer isn't steady.
^ was able to recognised that ~ has more confidence in ~ results when repeated measurements were close together.
"
Stretching
Section 6: Stretching elastic bands

^ has made a series of measurements of the length of an elastic band with different weights attached to it.
^ has represented data on a line graph.
^ was able to identify a trend in the graph e.g. the heavier the weight, the more it stretched and ^ has used the patterns to make ~ own predictions.
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Explanations
Section 7: Explaining how paper falls
Children:

^ could identify whether ~ statement about ~ results was an explanation or not.
^ was able to suggest ~ own improvements to ~ explanations.
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Air Resistance
Section 8: Investigating air resistance


^ has used ~ results from an air resistance experiment to plot a line graph.
# was able to recognise and describe the pattern in ~ results such as 'the more paper clips, the quicker it fell'.
^ is able to explain that when ^ made paper helicopters the air resistance pushed up on the spinner while weight pulled it down.
"