The sun makes shadows. They change as the day goes on.
A shadow is a dark shape. It forms when light is blocked.
Things that let no light through are opaque. They make shadows.
Transparent things let light through. You can see right through them.
A shadow has the same shape as the thing.
At sunrise and sunset the sun is low. Shadows can be long.
When the sun is high at midday, shadows are short.
The sun rises in the east. It sets in the west.
A sundial uses the sun to tell time.
The gnomon is the part that casts the shadow.
Words to know
- opaque: no light through
- transparent: see through it
- gnomon: shadow maker
