• What is light?
  Good BBC Bitesize page

• What is light?
  KS2

• Light Sources

• Light sources in your bedroom
  Make a note of all light sources introduced. Which of them are natural? Which of them are artificial light sources? Which of them are reflections?

• Light and Shadow

• Day and Night

• Light & Shadows
  Interactive flash

• What is reflection?

• How does the eye detect light?

• The human eye

By the end of this unit...

...all children should be able to:

• Identify light sources.
• Understand that we need light to see.
• Know that light travels in a straight line.
• Identify reflective surfaces.
• Know that the sun can damage their eyes.
• Know how to protect their eyes from the sun.
• Understand that a shadow is formed when a solid object blocks light.

...most children will be able to:

• Understand that dark is the absence of light.
• Set up an investigation and make predictions.
• Understand how surfaces reflect light.
• Recognise that a mirror appears to reverse an image.
• Identify some parts of the eye.
• Understand how the sun can damage parts of the eye.
• Identify opaque, translucent and transparent objects.
• Know how shadows change size

...some children will be able to:

• Explain the properties of materials that reflect light well.
• Understand why shadows change size.
• Set up reliable and accurate investigations.
• Make and explain predictions.
• Make and record accurate observations.
• Use scientific language to explain their findings.
• Be able to ask and answer questions based on their learning using scientific language.