The colours of light from which all other colours of light can be made (red, green and blue).

Colours of light that are made by mixing two primary colours in equal amounts.

The back surface of the eye that detects light.

The cells at the back of the eye that detect colour.

The cells at the back of the eye that detect brightness.

Seeing in colour

Science

The visible spectrum

Reflecting colour

A pinhole camera

Reflected images

Refracting light

Focusing light

In the Waves unit, they will build on this knowledge to learn about the properties and propagation of transverse and longitudinal waves.

In the Sound, light and vision unit, pupils learnt how sound waves travel through different types of medium and are absorbed and reflected, how light is reflected off mirrors, and how the eye can see objects by the light they reflect.

This unit explores the transmission of light, including absorption, scattering, and reflection, and the use of the ray model in imaging, refraction, and lenses. It also covers energy transfer in various processes, using safe techniques, making accurate observations, and improving reliability.

Making images

Light that consists of red, green and blue light in equal amounts so looks white.

A rainbow pattern of coloured light that always occurs with the colours in the same order.

a word used to describe the incoming light that hits a surface

to reflect light in many directions at once

the cells at the back of the eye that detect colour

a material that absorbs light / gains energy from light travelling through it, decreasing the amount of light

A device that produces an image from light that enters it.

An empty, closed box with a tiny hole on the front face and a screen on the back face.

Describes a material that lets some light through, but through which objects cannot be seen clearly.

(1) the process of light ‘bouncing off’ a surface (2) an image seen in a mirror

describes an image that has been ‘flipped’ horizontally

a dashed line drawn to show where light seems to be (but is not actually) coming from

an image that can be seen but not projected onto a screen

when light moves into and through a new medium

the material that light is travelling through

when light changes direction when it enters a new medium

a line drawn at 90° to the surface of a material

a representation of an object seen where light appears to be coming from, not where light actually comes from

a piece of glass or other transparent material shaped to refract light towards or away from a focus

(1) a point where many rays of light from an object meet (2) the process of refracting light rays so they meet

the distance from the centre of a lens to where the lens focuses a distant object

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Making images

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