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. It is responsible for the illumination of our surroundings.

Front

What does it mean for an object to be opaque?

Back

An opaque object is one that does not allow light to pass through it. Examples include wood, metal, and stone.

Front

What does it mean for an object to be transparent?

Back

A transparent object is one that allows light to pass through it without scattering. Examples include clear glass and water.

Front

What does it mean for an object to be translucent?

Back

A translucent object allows some light to pass through but scatters it, making objects behind it appear blurry. Examples include frosted glass and wax paper.

Front

How does light travel?

Back

Light travels in straight lines unless it encounters an object that bends or reflects it.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to water.

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What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface. A common example is seeing your image in a mirror.

Front

What is a lens?

Back

A lens is a curved piece of glass or other transparent material that bends light to focus or spread it.

Front

What is the purpose of a microscope?

Back

A microscope is an instrument that uses lenses to magnify small objects, making them appear larger.

Front

What causes a rainbow?

Back

A rainbow is caused by the refraction, dispersion, and reflection of light in water droplets, resulting in a spectrum of colors.