HCPS Science 5.5 Sound and 5.6 Light

Front

What is sound?

Back

Sound is a type of energy produced by vibrating matter that travels through air, water, or solids.

Front

What causes the reflection of light?

Back

Reflection of light occurs when light bounces off a surface, allowing us to see objects.

Front

What is refraction?

Back

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

Front

What is the visible part of the electromagnetic spectrum called?

Back

The visible part of the electromagnetic spectrum is called light.

Front

How do dolphins use sound waves?

Back

Dolphins use sound waves to locate food and navigate their environment.

Front

What is the difference between translucent and opaque materials?

Back

Translucent materials allow some light to pass through, while opaque materials do not allow any light to pass.

Front

What happens to sound as it travels through different mediums?

Back

Sound travels at different speeds depending on the medium; it travels fastest in solids, slower in liquids, and slowest in gases.

Front

What is an example of a vibrating object that produces sound?

Back

A guitar string produces sound when it vibrates after being plucked.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and does not pass through or reflect.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks of a wave, which determines the color of light.