Science glossary · Ireland
Shadow
A dark area made when an object blocks light.
Light travels in straight lines, so it can't bend around an object. Shadows are longest when the light source is low.
Example: Your shadow is long in the early morning and short at midday.
Lessons, worksheets, practice and tools on this: Light and sound.
Related words
- Vibration: A quick back-and-forth movement. All sounds are made by vibrations.