Light and Sound Pretest

Describe the types of images produced by plane, concave, and convex mirrors.

• Real and virtual

• Enlarged and diminished

• Upright and inverted

• Clear and blurred

Explain why light rays bend when they enter a medium at an angle.

• Due to reflection

• Due to diffraction

• Due to refraction

• Due to absorption

Tags

NGSS.MS-PS4-2

Identify what determines the types of images formed by convex and concave lenses.

• The thickness of the lens

• The curvature of the lens

• The color of the lens

• The material of the lens

Explain how mixing pigments is different from mixing colors of light.

• Pigments absorb light, colors of light combine

• Pigments reflect light, colors of light absorb

• Pigments emit light, colors of light reflect

• Pigments scatter light, colors of light emit

Tags

NGSS.HS-PS4-3

Define sound.

• A form of energy produced by vibrating objects

• A type of electromagnetic wave

• A form of visible light

• A type of chemical reaction

Tags

NGSS.HS-PS4-1

Identify factors that affect the speed of sound.

• Temperature and medium

• Frequency and wavelength

• Amplitude and pitch

• Intensity and duration

Tags

NGSS.MS-PS4-2

Identify factors that affect the loudness of a sound.

• Amplitude and distance

• Frequency and speed

• Wavelength and pitch

• Duration and intensity

Tags

NGSS.MS-PS4-1

Explain what causes the Doppler effect.

• Change in frequency due to motion

• Change in amplitude due to distance

• Change in wavelength due to temperature

• Change in speed due to medium

Tags

NGSS.HS-PS4-1

Describe how acoustics is used in concert hall design.

• To enhance sound quality and clarity

• To reduce sound speed and frequency

• To increase sound absorption and reflection

• To decrease sound intensity and duration

Tags

NGSS.MS-PS4-2

State the uses of ultrasound technologies.

• Medical imaging and cleaning

• Cooking and heating

• Lighting and display

• Communication and broadcasting

Tags

NGSS.HS-PS4-5