Light exhibits properties of both a particle and a wave.

• True

• False

Answer explanation

Light follows its own rules. It behaves as both a particle AND a wave. It is both, and neither.

Tags

NGSS.HS-PS4-3

The smallest possible quantity of energy that can be transported is called a/an

• photon

• neutron

• electron

• proton

Tags

NGSS.HS-PS4-3

Challenge Q! True or False: Photons have mass.

• True

• False

Answer explanation

Photons do NOT have mass, which is why it's so intimidating that even light cannot escape the intense gravity of a black hole.

Tags

NGSS.HS-PS4-3

Choose TWO answers:

The higher the frequency of a wave, the . . .

• higher the energy

• lower the energy

• shorter the wavelength

• longer the wavelength

Tags

NGSS.HS-PS4-1

What type of EM radiation has the shortest wavelength?

• microwaves

• infrared

• visible light

• gamma rays

Tags

NGSS.HS-PS4-1

What type of EM radiation has the longest wavelength?

• radio waves

• visible light

• ultraviolet

• infrared

Tags

NGSS.HS-PS4-1

Which types of EM radiation are emitted by the Sun? Choose all that apply.

• radio waves

• infrared

• microwaves

• gamma rays

• X-rays

Answer explanation

Our Sun emits energy from ALL parts of the electromagnetic spectrum!

Which of the following types of EM radiation do NOT make it ALL the way through the Earth's atmosphere? Choose all that apply.

• radio waves

• visible light

• gamma rays

• X-rays

Tags

NGSS.HS-PS4-4

Which of the following has the longest wavelength?

• visible light

• X-rays

• gamma rays

• microwaves

Tags

NGSS.HS-PS4-1

Which of the following has the shortest wavelength?

• radio waves

• ultraviolet (UV)

• infrared (IR)

• visible light

Tags

NGSS.HS-PS4-1