Light is good from whatever Lamp it shines!

School News January 28, 2021
Light is good from whatever Lamp it shines!

This Term, the Orca's and Dragon fish classes have been busy with our new science unit, Light and Shadow. Over the coming weeks we will be exploring how light behaves, including reflection, shadows and how we see things. To begin with, all children were given an eye test and found out they all have a blind spot!

We then looked at the different components of the eye using diagrams and models to support the children's understanding of the blindspot and introduce vocabulary for the anatomy of the eye.  The physical model was useful to show the children how the cornea and lens of the eye contribute to the formation of bright and sharply focused images!

To extend their understanding by learning about how light travels in straight lines both classes were given instructions on how to make a simple pinhole camera. This was an exciting lesson to demonstrate that all cameras, from the most sophisticated to the pinhole, rely on the same simple principles, performing in similar fashion to the human eye. The pupil had an opportunity to consider the similarities and differences between the eye and a camera through firsthand experience!

Lights, Camera, Action!

The cameras were constructed using cylinder cans, but the children started to question whether different coloured lids would effect our end results. This was great evidence of previous learning, looking at different properties of materials; transparent, opaque and translucent objects, and we decided to test our enquiries.  Sure enough, the yellow screens (lids) did not produce an image and the pupils could deduce that the light could not travel through the lid to reflect an image.

When the cameras were complete, the children were directed to a source of light to discuss what they could see!  "my camera's not working, everything is upside down! one child called out! As it became evident that all children were seeing images that were upside down, we could agree that our cameras had mostly been successful. Where children experienced varying results, either no clear image or perhaps no image at all, it was possible to use our enquiry skills to investigate possible reasons for these results!

How did the size and shape of the pinhole change the image? What would happen if we made two pinholes? These are examples of questions they went on to consider, which helped pupils to connect the content with meaning and resulted in some excellent learning! Over the coming weeks we have more WOW lessons to explore; rainbows, colours in bubbles shadows and light appearing to bend in water.