What type of wavelengths do ultraviolet rays have?

• Short

• Long

• Alternating short and long

• None

What happens when light hits a shiny or smooth surface?

• It disappears.

• It is refracted.

• It is absorbed.

• It is reflected.

Tags

NGSS.MS-PS4-2

What is it called when light bends as it moves from one substance to another?

• Absorption

• Reflection

• Refraction

• Incidence

Tags

NGSS.HS-PS4-5

Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

Tags

NGSS.MS-PS4-2

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror at the same angle it hits.

Tags

NGSS.MS-PS4-2

What color has the shortest wavelength and highest frequency?

• Violet

• Orange

• Red

• Blue

Tags

NGSS.HS-PS4-1

Find the frequency of an electromagnetic wave with a wavelength 2.75 × 10^–8 m.

• 1.10 Hz

• 1.09 × 10¹⁶ Hz

• 9.17 × 10¹⁵ Hz

• 9.17 × 10¹⁶ Hz

Tags

NGSS.HS-PS4-1

Which of the following electromagnetic waves travels the fastest?

• gamma rays

• radio waves

• ultraviolet waves

• they all travel the same speed

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

• Moving towards the Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-ESS1-2

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

Tags

NGSS.HS-ESS1-2