Can I Believe My Eyes Learning Set 3 Assessment

When a green light and a red light are mixed by shining them together on a white screen, what will appear to be the color of the light on the screen? 

• The mixed color is an intense green.

• The mixed color is yellow.

• The mixed color is black

• The mixed color is intense red.

Why will this color of light will be brighter than the green or red light alone? Select all that apply.

A. The color is brighter than the green or red light alone because it is made of both the green light AND the red light.

B. The more light that reaches our eyes, the brighter the light appears.

C. Some colors are brighter than other colors before being mixed.

D. In order for a light to be brighter, it has to come from a bulb with a higher wattage.

Draw the correct answers.

Tags

NGSS.MS-PS4-1

Green light is shining on a green plant in a red pot. There are no other lights in the room. 

Part A: What color will the green plant appear to be? Choose the best explanation.

• The plant will appear green since it does not absorb that color but rather scatters it, so our eyes will detect scattered green light from the plant.

• The plant will appear green because it absorbs all of the green colors and the rest of the colors get transmitted through the leaves.

Green light is shining on a green plant in a red pot. There are no other lights in the room. 

Part B: What color will the red pot appear to be? Choose the best explanation.

• The red pot will appear yellow because red and green light make yellow light and the leaves will reflect the yellow light to our eyes.

• The red pot will appear black because it will absorb all the green light reaching it and scatter none, so no light will reach our eyes from the pot.

Which plant above will grow better, a green plant illuminated by green light or a green plant illuminated by red light? Choose the best explanation.

• The plant will not grow well in either light because a plant needs full light in order go through photosynthesis.

• The plant will grow better in green light because its leaves are green The leaves absorb the green light and use it to make its own food.

• The green plant illuminated by red light will grow better because the plant will be able to absorb this light. On the other hand, the green plant illuminated by green light will grow very poorly if at all because it will not be able to absorb any of the light reaching it.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

What should be added to this drawing to show what happens to the light after it hits the filter?

• You should show the blue light reflecting back toward the flashlight. All of the other light colors get transmitted through the blue filter.

• You should the blue light is absorbed by the filter and the green and red light get transmitted.

• You should show blue light being transmitted through the filter and the other colors of light being absorbed. Some of the blue light should be reflected back toward the flashlight.

• You should only show the blue light being reflected and the rest of the colors are absorbed.

Tags

NGSS.MS-PS4-2

How can white light be separated into the colored lights of which it is composed? Select all that apply. Draw the correct answers

A. When mixing light, some of the colors get canceled out so that new colors shine very brightly.

B. White light can get separated when using C-Spectra paper but it also gets separated when it interacts with a prism or raindrops in the atmosphere where the light gets bent (refracted).

C. Filters can separate the colors in white light by absorbing some colors and transmitting the rest.

D. When white light is transmitted it separates out into its various colors.

Tags

NGSS.MS-PS4-2