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Understanding Light, Pigments, and Waves

Understanding Light, Pigments, and Waves

Assessment

Interactive Video

Physics, Chemistry, Science

6th - 8th Grade

Practice Problem

Hard

Created by

Amelia Wright

Used 1+ times

FREE Resource

The video tutorial covers the mixing of light and pigment colors, explaining how red, blue, and green light combine to form white light, while mixing the same pigment colors results in black. The teacher also discusses wave properties, focusing on amplitude and wavelength, and uses sound waves as an example. A guitar demonstration illustrates sound amplification. The lesson concludes with instructions for an assignment.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the result of mixing red, blue, and green chemical light colors in the previous lab?

Black light

White light

Yellow light

Purple light

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we see the color red on a red shirt?

It absorbs red and reflects all other colors

It reflects red and absorbs all other colors

It absorbs all colors equally

It reflects all colors equally

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you mix the primary pigment colors red, green, and blue?

They create purple

They create white

They create black

They create yellow

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the top part of a wave?

Crest

Wavelength

Amplitude

Trough

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does increasing the amplitude of a wave affect it?

It decreases the frequency

It decreases the wavelength

It increases the energy

It changes the color

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of an amplifier in sound waves?

To change the sound wave color

To increase the sound wave amplitude

To decrease the sound wave energy

To decrease the sound wave frequency

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a guitar pickup?

To amplify the sound directly

To pick up vibrations and send them to an amplifier

To change the pitch of the sound

To decrease the sound volume

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