Unit 3f:
Light and Shadows
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 the day.
See also
 Data Logging
Use a light sensor to record light from source - unimpeded by object and blocked by object (using SNAPSHOT) Discuss findings.
 Powerpoint Resource - (Greenwich ICT)
Who has the most effective sunglasses? (Step by step guide)
Direct2U Lesson Plan
As part of an exploration of light and shadows, children use the computer
microscope to investigate what happens when objects are lit from the back and
the front.
 forum.ngfl.gov.uk
Direct2U Lesson Plan (Blackout Curtains)
Children develop an experiment to answer the question, ‘Which fabrics are best for cutting out the light?' They use a light meter to carry out their experiments. They use a writing frame W48 Science Y3X to write up their experiment importing the graph from the sensing package and clip art.
forum.ngfl.gov.uk
 Use the computer microscope to investigate what happens when objects are lit from the back and the front.
Use the light from below to look at magnified opaque objects as shadows. Match
the shadow to the object.
 Program Roamer to react to light - Using the Light Sensor with roamer
 Teaching Resources (teachingideas.co.uk)
Science Display Resources
www.schoolslinks.co.uk
Websites
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