Q3W7 Reflection/Refraction Quiz

What is reflection?

• Light traveling in a straight line

• Light being absorbed by an object

• Light bouncing off a surface

• Light bending as it passes through an object

What happens to light when it hits a smooth, shiny surface like a mirror?

• It gets absorbed.

• It reflects in the same direction.

• It bends.

• It scatters in all directions.

Which of the following is an example of refraction?

• Seeing your reflection in a mirror

• Light bouncing off a wall

• A straw appearing bent in a glass of water

• Shadows forming on the ground

Why does a pencil look bent when placed in a glass of water?

• The light reflects off the pencil.

• The light is refracted as it passes through water.

• The water absorbs the light.

• The pencil creates a shadow in the water.

What is the role of the cornea in the eye?

• To bounce light back out of the eye

• To bend light to help focus it

• To absorb light before it reaches the retina

• To reflect light into the eye

What causes a rainbow to form?

• Reflection of light in the air

• Scattering of light in clouds

• Refraction and splitting of light through water droplets

• Absorption of light by the ground

What part of the eye detects light and sends signals to the brain?

• Pupil

• Cornea

• Iris

• Retina

It's called _______ when light bounces off the smooth surface of an object.

• Refraction
• Reflection
• Diffraction
• Interference 

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.

What does reflection mean?

• bending light
• bouncing light

Tags

NGSS.4-PS4-2