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Science topics ages 10 - 11
Forces in action
Curriculum relevance |
Online lesson plan
Offline lesson plan |
Worksheet |
Activity |
Quiz
Online lesson plan
Objectives
Learn to ask questions that can be investigated scientifically
Know to plan a fair test by changing one factor while keeping other factors
the same
Use measurements to draw conclusions and use scientific knowledge to explain
them
Understand that friction, including air resistance, is a force that slows
moving objects
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National Curriculum
England: Key Stage 2, Science, Sc1 2a, 2d, 2j, 2l; Sc4 2b, 2c, 2e
Wales: Key Stage 2, Scientific enquiry 3.2, 3.4, 3.12, 3.13; Physical
Processes 2.1, 2.2, 2.3, 2.5, 2.6
Northern Ireland: Key Stage 2, Planning, a, b, d, f; Interpreting and
evaluating e, g; Physical processes, Forces and energy c, d
Scotland: 5-14 Guidelines, Science, Preparing for tasks, Level C; Reviewing
and reporting on tasks, Levels C and D; Forces and their effects, Levels C and
D
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Resources required
Online activity from Science Clips website: Forces in action
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Teaching activities
Introduction
Give the children examples of scientific questions related to areas of science
they have recently studied, e.g. “What temperature is best for
germinating mustard seeds?” For each question, give the children a list
of factors (e.g. number of seeds, temperature, light, amount of water) and ask
them which factor they would change and which ones they would keep the same to
make the investigation fair. What would they measure or observe?
Activities
Explain they are going to investigate a scientific question about forces in a
virtual laboratory. Open the online activity on an interactive whiteboard. Show
the children how you can set the truck moving, how you can alter the initial
gradient of the track, and how you can add parachutes or weights to the track.
Brainstorm scientific questions you could investigate. Choose one question, and
ask children how they would investigate this to make it a fair test. Which
factor would they change and which ones would they keep the same? What would
they measure or observe? Arrange children in pairs or groups, with a computer
for each group. Let each group decide which question to investigate, think
about how will they carry out a fair test and predict what will happen. Each
group carries out their chosen experiment, and if they have the time,
investigates further questions. Explain that, for the plenary, they will need
to explain their observations using their knowledge of forces.
Plenary
Draw diagrams to help children explain their findings using their knowledge of
forces.
Which combination of factors will make the car go the furthest? Test the
predictions.
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Extension
Ask the children to predict and then investigate which combination of factors
will make the truck go furthest, and which will make it travel the shortest
distance.
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Suggested homework
Imagine that a laboratory has been set up to investigate parachute designs.
What different questions could be investigated and how could you test them?
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