Light and Sound
Activities and resources to support careers learning within the topics of Light and Sound.
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Video
What factors affect the size of a shadow in a shadow theatre?
This resource provides a set of videos and a practical investigation aimed at supporting working scientifically in the classroom and relating science to real world experiences. In the first video Professor Brian Cox joins a teacher to find out how to set up and run an investigation to find out what affects the size of a shadow. Children use their own shadow puppets to investigate how the shadow size changes as they change the distance between light source and screen. Further videos show Brian Cox finding out more about how shadows are used in X-rays and talking about how eclipses occur.
What factors affect the pitch and the volume of sound?
This resource provides a set of videos and a practical investigation aimed at supporting working scientifically in the classroom and relating science to real world experiences. In the first video Professor Brian Cox joins a teacher to find out how to set up and run an investigation to find out what affects the pitch and volume of a sound. Children build instruments out of every day equipment, including elastic bands and pots, twanging rulers and beans in pots. They change the length and width of elastic bands and the length of the ruler to see what difference that makes to the sounds. Further videos show Brian Cox meeting a composer to find out how sound can be used to convey different emotions in films and a scientist using sound waves to levitate small objects.
External link
Lighting effects in a TV studio
Video showing how lighting engineers use lights to change effects on screen.
