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Interactive resource

Optics and refraction: focal point

Look at light rays magnified by a lens. Notice how light converges after it leaves the lens. Examine how curvature and thickness of a lens affect focal length. This learning object is one in a series of three objects. The series is also packaged as a combined learning object.

Interactive resource

Optics and prisms

Position a prism to split white light into its component colours. Predict the seven colours that will be produced. Test whether the colours seen are affected by the prism material: glass, flint glass or diamond. Explore whether filters add or remove colours from the spectrum. This learning object is a combination of three ...

Interactive resource

Optics and prisms: split light

Position a prism to split white light into its component colours. Predict the seven colours that will be produced. Explain why dispersion occurs. This learning object is one in a series of three objects. The series is also packaged as a combined learning object.

Interactive resource

Optics and prisms: materials

Position a prism to split white light into its component colours. Test whether the colours seen are affected by the prism material: glass, flint glass or diamond. Explain why dispersion occurs in all of the prism materials. This learning object is one in a series of three objects. The series is also packaged as a combined ...

Interactive resource

Optics and prisms: coloured light

Position a prism to split white light into its component colours. Explore whether filters add or remove colours from the spectrum. This learning object is one in a series of three learning objects. The series is also packaged as a combined learning object.

Interactive resource

Eyeball challenge: stone wheel puzzle

Investigate a range of animal eyes: dog, cat, bee, fish, eagle and human. Discover how these animals see things in different ways because their eyes have different structures. For example, look at an animal's field of view, how it focuses and sees colours. Choose eyes with good close-up vision to solve a puzzle and unlock ...

Interactive resource

Eyeball challenge: mission 2

Investigate a range of animal eyes: dog, cat, bee, fish, eagle and human. Discover how these animals see things in different ways because their eyes have different structures. For example, look at an animal's field of view, how it focuses and sees colours. Find your way through an ancient temple by choosing eyes suited ...

Interactive resource

Far out lenses

Look at the Moon through a simple telescope. Adjust the focal length of two convex lenses and compare the results. Explore relationships between optical variables such as focal length, position of objective lens, convexity, image inversion and lens size. This learning object is one in a series of two learning objects. The ...

Interactive resource

Reading between the lines

Test the vision of four people to identify vision problems: myopia, hyperopia or presbyopia. Compare effects of corrective lenses on reading at different distances. Look at a cross-section of the eye showing focal variations linked to a vision problem. Explore how common vision problems are by doing a survey. This learning ...

Teacher resource

Using 'Light and vision' - Teacher idea

This Teacher idea explores the eye as a receptor of light. Students build on prior understandings of light relating to wave theory and particle theory, and move on to investigate reflection, refraction, optics and prisms. It includes a unit of work developed and trialled by a teacher.