Light Wave Unit Review

If you put glue under a desk lamp, glue will not dry. But if you put glue under the sun, it will dry. Why does light from the sun dry the glue when from the desk lamp doesn't?

• Because the glue can take in energy from the light from the sun, but not from the light from the lamp

• Because light from the sun pulls energy out of the glue and light from the desk lamp does not

• Because the sun gives off a type of light that carries energy, and light from the desk lamp does not

• Because light from the sun carries heat molecules and light from the desk lamp does not

Tags

NGSS.MS-PS1-4

X-ray light: transmitted through the aluminum

Ultraviolet light: reflected off the aluminum

Based on this information, which type of light is more likely to heat up the sheet of aluminum?

• X-ray light is more likely to heat up the aluminum because the X-ray light an pull energy out of aluminum when it passes through the aluminum

• UV light is more likely to heat up the aluminum because the UV light bounces off of aluminum, which means that it has more energy

• There is no way to know because they are two different types of light, and different types of light affect materials in different ways

• Neither type of light is likely to heat up the aluminum because the aluminum does not take in energy from the X-ray light or the UV light

Tags

NGSS.MS-PS3-3

NGSS.MS-PS4-2

T/F: Different amplitudes means that different types of light.

• True

• False

Tags

NGSS.MS-PS4-1

T/F: Different wavelengths mean different types of light

• True

• False

What will cause a light wave to have a higher frequency?

• Shorter wavelength

• Longer wavelength

• Higher amplitude

• Lower amplitude

Tags

NGSS.HS-PS4-1

What is the difference between frequency and wavelength?

• Frequency is the number of peaks that pass in a second, wavelength is the distance from peak to peak

• Frequency is the distance from peak to peak, wavelength is the number of peaks that pass in a second

Tags

NGSS.MS-PS4-1

To change into a different type of light what has to change?

• Amplitude of the light wave

• Wavelength of the light wave

Tags

NGSS.HS-PS4-1

Can all kinds of light change materials?

• Yes because all light has energy that can be absorbed by materials

• Yes because all light is different

• No because not all light has energy that can be absorbed by materials

• No because all kinds of light are the same

Tags

NGSS.MS-PS4-2

Red light: absorbed by the material

Yellow light: absorbed by the material

Can these types of light change this material

• Yes because when light is absorbed it changed material either by getting warm or affect the material in some way

• No because light is not a physical thing and light can not change things like the material

• There is no way to know whether the material will change or not

• No because only reflecting and transmitting light can change materials

Tags

NGSS.MS-PS4-2

Why can light from the sun melt plastic but light from a desk lamp can't?

• Because the plastic can take in energy from the light from the sun but not from the light from the desk lamp

• Because light from the sun carries heat molecules, and light from the desk lamp does not

• Because light from the sun pulls energy out of the plastic, and light from the desk lamp does not

• Because the sun gives off a type of light that carries energy, and light from the desk lamp does not

Tags

NGSS.MS-PS1-4