Exploring the Wonders of Light

What is the speed of light in a vacuum?

• 299,792 kilometers per second

• 299,792,458 meters per second

• 150,000,000 meters per second

• 300,000,000 meters per second

Name one property of light.

• Light is invisible to the human eye.

• Light can only travel in circles.

• Light travels in straight lines.

• Light is a solid object.

What happens to light when it hits a mirror?

• Light passes through the mirror.

• Light reflects off a mirror.

• Light bends around the mirror.

• Light is absorbed by the mirror.

What is refraction?

• Refraction is the reflection of light off a surface.

• Refraction is the absorption of light by a medium.

• Refraction is the scattering of light in all directions.

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

How does light travel?

• Light travels only in straight lines.

• Light travels faster in water than in a vacuum.

• Light is a solid substance that moves through space.

• Light travels in waves and particles (photons) at a speed of about 299,792 km/s in a vacuum.

What is a shadow?

• A shadow is a color created by light.

• A shadow is a dark area created when an object blocks light.

• A shadow is a type of light.

• A shadow is a solid object.

What are the primary colors of light?

• Red, Green, Blue

• Yellow, Cyan, Magenta

• Red, Yellow, Blue

• Green, Purple, Orange

What is the difference between a natural and artificial light source?

• Natural light sources can only be created by humans.

• Artificial light sources are found in nature, while natural ones are not.

• Natural light sources are always brighter than artificial ones.

• Natural light sources occur in nature, while artificial light sources are human-made.

What causes a rainbow?

• A rainbow is caused by the evaporation of water.

• A rainbow is caused by the reflection of sunlight on leaves.

• A rainbow is caused by the refraction and reflection of light in water droplets.

• A rainbow is caused by the scattering of dust particles in the air.

What is the term for light bending as it passes through water?

• Reflection

• Dispersion

• Refraction

• Diffraction