Light Basics
How does light travel?
What is in straight lines
What happens when light hits a mirror?
What is it reflects, or bounces off
What is refraction?
What is bending of light
Which material lets all light pass through?
What is transparent
Why do we wear sunglasses?
What is to reduce light entering our eyes
What is the source of most light on Earth?
What is the Sun
What type of surface reflects light the best?
What is smooth
What happens to light when it passes through water?
What is it bends
Which material lets some light pass through?
What is translucent
Why can you see through a window but not a wall?
What is windows are transparent; walls are opaque
Why can we see objects?
What is because light reflects off objects into our eyes
Why can you see yourself in a mirror?
What is light reflects off a mirror and into your eyes
Why does a straw look bent in water?
What is refraction
Which material blocks light completely?
What is opaque
Why are shadows longer in the morning/evening?
What is the Sun is lower in the sky
What happens when light is blocked?
What is a shadow forms
A flashlight beam hits a mirror and changes direction. What is this called?
What is reflection
Does light travel at the same speed in air and water?
What is no
Which absorbs more light: black or white?
What is black
Why do shiny objects reflect more light?
What is they have smooth surfaces
Why do we see different colors?
What is when light shines on an object, the object absorbs some colors and reflects others. The color we see is the color that is reflected back to our eyes.
Rough surfaces reflect light by:
A. Making a clear image
B. Absorbing all light
C. Scattering light in many directions
D. Stopping light completely
What is scattering light in many directions
Refraction happens when light travels through:
A. Different materials
B. Mirrors
C. Rough surfaces
D. Empty space
What is different materials
Which material would make the best shadow?
A. Clear glass
B. Wax paper
C. Water
D. Cardboard
What is cardboard
Why are bicycle reflectors useful at night?
A. They create their own light
B. They absorb light from cars
C. They reflect light from headlights back to drivers
D. They stop light completely
What is they reflect light from headlights back to drivers.