This lesson includes 15 additional questions for subscribers.
Lesson Worksheet: Light and Sight Science
In this worksheet, we will practice defining light, identifying light sources, and describing how light reflection helps sight.
The is a source of light.
Optometrists can correct vision by all these methods except .
- Alaser surgery
- Bcontact lenses
What is the scientific term for objects that light cannot pass through?
- ALight source
- BOpaque objects
- CTransparent objects
- DTranslucent objects
is a feature of light that helps us see.
- ALight reflection
- DOpaque material
Mirrors reflect light in one direction because their surface is .
- Asmooth and shiny
- Bsmooth and dull
- Crough and dull
- Drough and shiny