Mention 5 sources of light!
Sun, lamp, candle, torch, stars
Why we can not see in the dark?
Because there is no light
What makes a shadow?
Something blocks the light
What is our main source of light?
The sun
Look at the picture. Why does the tree make a shadow?
The tree is opaque and it blocks the light.
Is a glass transparent or opaque?
Transparent
Is a wall opaque or transparent?
Opaque
Is the moon a light source?
No, it isn't
"Our shadows disappear when we move." True or False
True
False
"If we hold a book in the torchlight, we will see a SHADOW OF A PENCIL on the paper. " True or False
False
True
A .......... is formed when an object blocks the light.
shadow
