What is produced when an object vibrates?

• Loud Sounds

• Sound Waves

• Quiet Sounds

Tags

NGSS.MS-PS4-1

What can sound travel through?

• A medium (Solid, Liquid, Gas)

• Space

• Vacuum

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

TRUE or FALSE: Sound can travel in space.

• TRUE

• FALSE

There are 2 types of light energy:

• Bright and Dim

• Quiet and Loud

• Artificial and Natural

TRUE or FALSE: Artificial light sources are found in nature, e.g. The Sun. Natural light sources are Man-Made, e.g. a Lamp.

• TRUE

• FALSE

How does light energy travel?

• In straight lines, called Rays and can pass through all materials.

• In waves and can only pass through medium (Solid, Liquid and Gas)

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

TRUE or FALSE: Light travels faster than Sound. The speed of light is 300,000 km/s.

• TRUE

• FALSE

What type of surfaces reflect light the best?

• Rough surfaces like stone, soil and grass.

• Smooth surfaces like mirrors, metal and water.

Tags

NGSS.MS-PS4-2

Refraction happens when light passes through a medium with a different...

• Size

• Colour

• Density

• Surface

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Something colourful caused by Refraction.

• Rainbow

• Painting

• Photograph

Tags

NGSS.MS-PS4-2