What is light?
→ Light is energy that helps us see.
Why do we need light?
→ We need light to see things.
Can we see without light?
Yes
No
Name one natural light source.
The sun, stars, fire, lightning
Name one man-made (artificial) light source.
light bulb, candle, lamp
Is the sun natural or artificial?
natural
Is a lamp natural or man-made?
man made
How does light help us see?
→ Light reflects into our eyes.
What does “transparent” mean?
→ You can see through it clearly.
Name one transparent object.
Window, glass
What does “translucent” mean?
→ You can see a little through it.
Name one translucent object.
curtain, frosted glass
What does “opaque” mean?
→ You cannot see through it.
Name one opaque object.
→ Wall / book.
What is a shadow?
→ A dark shape made when light is blocked.
How is a shadow made?
→ When an object blocks light.
