Light and Colors

The speed of light is:

• 300,000 km/sec

• 343 m/s

• 3.00e10 m/s

• 3,000,000 m/s

Tags

NGSS.MS-PS4-2

Different colors of light correspond to different light:

• Wavelengths

• Intensities

• Amplitudes

• Velocities

Tags

NGSS.MS-PS4-1

Complementary colors of light combine to give white light. Which one of the following pairs are complementary.

• Red and Cyan

• Green and Blue

• Cyan and Green

• Red and Blue

Red objects appear 'red' because:

• red objects are made from red materials
• red objects absorb red light
• red objects absorb all other colour except red light
• red objects don't reflect any light

Tags

NGSS.MS-PS4-2

What colours is white light made from?

• Orange, Green, Pink, Magenta, Peach, Rose, Lemon
• Red, Orange Yellow, Green, Black, Indigo, Violet
• Red, Orange, Yellow, Green, Blue, Indigo, Violet
• Red, Orange, Yellow, Grey, Blue, Indigo, Violet

Why does this the t-shirt appear red and the shorts appear blue?

• The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
• The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
• The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
• The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.

Tags

NGSS.MS-PS4-2

Which colour of light has the most energy?

• Blue

• Green

• Red

• Yellow

Tags

NGSS.MS-PS4-1

Complementary colors are two colors that 

• are next to each other on the color chart.
• produce white light when added together.
• look good together.
• are primary colors.

How is a rainbow formed?

• A poptart cat flies across the sky
• A leprechaun places a pot of gold at the bottom of a pond
• Light refracts off the water droplets to create a rainbow of color
• Rainbows are a myth

Which color reflects all light?

• White
• Black
• Orange 
• Green

Tags

NGSS.MS-PS4-2