Q1
What is light?
AA form of energy
BA type of matter
CA type of force
DA type of sound
ICSEClass 6 (ICSE)ScienceCh 5 · Topic 2
Practice and Revision - Light
Let us practise and revise what we learned about light. Light is a form of energy that allows us to see, travelling in straight lines and in
Core concept
Light travels in straight lines, which is why we cannot see around corners without a mirror or other reflective surface.
How it works
Reflection occurs when light bounces off a surface, like a mirror, allowing us to see our reflection.
Why it matters
Refraction occurs when light bends as it passes from one medium to another, like from air into water, making objects appear shifted.
Key detail
Understanding light helps us explain how we see, how mirrors and lenses work, and many natural phenomena like rainbows.
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Quick notes
• Light is a form of energy.
• Light allows us to see.
• Light travels in straight lines.
• Reflection is light bouncing off a surface.
• Mirrors work through reflection.
• Refraction is light bending between mediums.
• Refraction happens between air and water.
• Light explains rainbows and other phenomena.