Light Sources
Name one source of light.
lamp, phone, computer, sun..... anything that produces light
When light bounces off an object, it is called this.
Hint- A mirror shows this
REFLECTION
When light bends or slows down, it is called this.
Reflection or Refraction
REFRACTION
A lens is clear and _____.
Curved or Straight
CURVED
Light must bounce off objects and enter these.
Hint- I see you!
EYES
Light energy is made by vibrating what inside atoms?
Electrons or Protons
ELECTRONS
Mirrors reflect light because they are smooth and _____.
Hint- Think of the surface of a mirror.
FLAT
Light bends when it passes through these two materials.
Hint- What materials did we use in the lab yesterday?
GLASS and WATER
A lens that is thick in the middle makes objects look _____.
Hint- Magnifying glass
BIGGER
A medium is anything that makes ________to light waves.
Hint- Not constant
CHANGES
Light from the sun travels in what type of line?
Curved or Straight
STRAIGHT
People see most objects because their eyes see this type of light.
Absorbed or Reflected
REFLECTED
Rainbows are made when light does this in raindrops.
Goes Straight or Bends (refracts)
REFRACTS
A lens that is skinny in the middle makes objects look _____.
SMALLER
Name two examples of a medium.
Hint- What can light pass through or be absorbed by?
glass, water, mirror, lens, etc.
A strong and bright group of light waves is called this.
Think of a car's headlights. What are those light waves called?
BEAMS
Nearly everything does this to at least some light waves.
Reflect or Absrob
REFLECT
Dark objects mostly do this to light.
Reflect or Absorb
ABSORB
An image is a _____ of an object.
Hint- What does a copy machine do?
COPY
Name something light can pass through.
WINDOW / GLASS
Why do people need light to see?
Hint- What does light do? How does it get to our eyes?
LIGHT HITS OBJECTS AND BOUNCES INTO OUR EYES
Why might a black bear look black?
Absorbs or Reflects
Absorbs
Rough objects absorb more light than smooth and ____ objects.
Dark or Shiny
SHINY
What is the final step in seeing an image?
Hint-What produces the image?
BRAIN
Would you be able to see your reflection in a mirror in a completely dark room?
NO