Exploring the Wonders of Light

What is the smallest unit of visible light called?

• Electron

• Photon

• Proton

• Neutron

What type of objects allow light to pass through completely?

• Reflective

• Opaque

• Transparent

• Translucent

What type of objects do not allow light to pass through?

• Transparent

• Luminous

• Translucent

• Opaque

Which material is an example of a translucent object?

• Metal

• Wood

• Glass

• Plastic

How fast does light travel in a vacuum?

• 186,000 miles per second

• 100,000 miles per second

• 300,000 kilometers per second

• 0.1 million miles per second

How long does it take for light to travel from the Sun to Earth?

• 8 seconds

• 8 hours

• 8 minutes

• 8 days

What is the term for light bending as it passes through different mediums?

• Reflection

• Transmission

• Refraction

• Absorption

What phenomenon causes light to bend?

• Reflection

• Refraction

• Diffraction

• Dispersion

Are humans bioluminescent?

• Yes, but very weakly

• Only under UV light

• No, not at all

• Yes, very brightly

How long does it take for light to reach the Moon from Earth?

• 1.2 hours

• 1.2 days

• 1.2 minutes

• 1.2 seconds