5th Grade Light Energy

Front

What is light energy?

Back

Light energy is a form of energy that travels in waves and can be seen by the human eye.

Front

What does opaque mean?

Back

Opaque refers to materials that do not allow light to pass through them.

Front

Do shiny and smooth surfaces reflect much light?

Back

False. Shiny and smooth surfaces reflect a lot of light.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What are concave lenses?

Back

Concave lenses are lenses that make objects appear farther away and smaller.

Front

What are convex lenses?

Back

Convex lenses are lenses that make objects appear closer and larger.

Front

What is a prism?

Back

A prism is a transparent object that can separate white light into its different colors.

Front

What is the speed of light?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is the difference between transparent and translucent materials?

Back

Transparent materials allow all light to pass through, while translucent materials allow some light to pass but not enough to see clearly through them.