Year 9 sound and light

What is the spectrum of colors that make up white light?

• Red, orange, yellow, green, blue, indigo, and violet
• Black, white, gray
• Brown, beige, tan
• Pink, purple, magenta

How are rainbows formed?

• Refraction and reflection of light by raindrops
• Scattering of light by water droplets
• Scattering of light by dust particles
• Absorption of light by raindrops

Tags

NGSS.MS-PS4-2

What gives the sky its blue appearance?

• Scattering of blue light which has a shorter wave length
• Scattering of red light which has a shorter wavelength
• Absorption of blue light
• Absorption of red light

What determines the loudness of a sound?

• Pitch
• Volume
• Amplitude
• Energy

Tags

NGSS.MS-PS4-1

What is the order of colours in a rainbow?

• Red, orange, yellow, green, blue, indigo, violet
• Red, orange, yellow, indigo, green, blue, violet
• Red, orange, yellow, green, indigo, blue, violet
• Red, orange, yellow, green, blue, violet, indigo

What produces high-pitched sounds?

• High-frequency sound waves
• Energy
• Low-frequency sound waves
• Amplitude

What property of sound is determined by the frequency of sound waves?

• Pitch
• Amplitude
• Energy
• Volume

What produces low-pitched sounds?

• Low-frequency sound waves
• Amplitude
• High-frequency sound waves
• Energy

Tags

NGSS.MS-PS4-1

What property of sound is determined by the amplitude of sound waves?

• Energy
• Volume
• Amplitude
• Pitch

Tags

NGSS.MS-PS4-1

What happens when white light passes through a prism?

• It becomes brighter
• It gets split into different colors
• It becomes darker
• It disappears

Tags

NGSS.MS-PS4-2