6th May 2005 at 01:00
KS 3-4

Why do we see colours? An interesting area to pursue is the idea of subjectivity in colours and what happens if you are colour-blind www.nhsdirect.nhs.uken.asp?TopicID=739AreaID=4875LinkID=39 Have a colour quiz: why is the sky blue? Why is the grass green? Why is a sunset red? Why is a lemon yellow? Why have many TV screens got tiny combinations of red, blue and green circles to make up all the colours?How are colours defined?

www.webwhirlers. com colorscolornames.asp How do we see colours? How does the eye work?www.hhmi.orgsensesb110.html

Why is light white, but mixing all paints together gives black? A good illustration of additive and subtractive colours is at www.webwhirlers.comcolorscoloursphysics.asp How do rainbows form? Remember, each rainbow is personal to the observer and moves with them when they move.

* See also this week's poster on rainbows.

Subscribe to get access to the content on this page.

If you are already a Tes/ Tes Scotland subscriber please log in with your username or email address to get full access to our back issues, CPD library and membership plus page.

Not a subscriber? Find out more about our subscription offers.
Subscribe now
Existing subscriber?
Enter subscription number


The guide by your side – ensuring you are always up to date with the latest in education.

Get Tes magazine online and delivered to your door. Stay up to date with the latest research, teacher innovation and insight, plus classroom tips and techniques with a Tes magazine subscription.
With a Tes magazine subscription you get exclusive access to our CPD library. Including our New Teachers’ special for NQTS, Ed Tech, How to Get a Job, Trip Planner, Ed Biz Special and all Tes back issues.

Subscribe now