Light Energy

Front

What are opaque objects?

Back

Opaque objects are materials that do not allow any light to pass through them. Examples include cardboard, wood, and books.

Front

What happens to light rays when they pass through water?

Back

Light rays bend when they pass through water, which is why objects look different underwater.

Front

What are translucent materials?

Back

Translucent materials allow some light to pass through but scatter it, making objects behind them appear blurry. Examples include frosted glass.

Front

What does it mean when an object is transparent?

Back

An object is transparent if it allows light to pass through easily, making objects behind it clearly visible. Examples include clear glass.

Front

What color do we see when all colors of light are absorbed?

Back

When all colors of light are absorbed, we see the color black.

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 is reflection in terms of light?

Back

Reflection is the bouncing back of light rays when they hit a surface, such as a mirror.

Front

What is refraction?

Back

Refraction is the bending of light rays as they pass from one medium to another, like from air to water.

Front

What is the difference between transparent and translucent?

Back

Transparent materials allow clear visibility through them, while translucent materials allow some light but not clear images.

Front

What is the role of light in photosynthesis?

Back

Light energy is essential for photosynthesis, as plants use it to convert carbon dioxide and water into glucose and oxygen.