Vocabulary
What do you call objects that allow all light to pass through them?
Transparent objects
What do you call objects that do not allow any light to pass through them?
Opaque objects
What makes a pencil look broken when it is placed in a cup of water?
Refraction
Why do you see lightning before you hear thunder?
Light travels faster than sound.
What color coat would help you feel warmer on a cold sunny day?
Black
What is the term for when light waves bounce off an object?
Reflection
What do you call objects that allow some light to pass through them?
Translucent objects
What travels faster, light or sound?
Light
Explain an example of when light reflects and an example of when light refracts.
Reflect- mirror, reflectors, etc. Refract- straw in water, arm in pool, etc.
When light is absorbed it causes the object to _____________.
heat up
what is a glass object that can bend light into the colors of the rainbow
prism
What is the term for when light waves bend when passing from one medium to another?
Refraction
True or false. Water can reflect and refract light.
True
Explain why a shadow appears on the screen when I place my hand in front of it.
The hand is opaque.
Opaque objects create shadows.
Frosted glass, wax paper are examples of ________________ objects
translucent
What is the term for when light passes straight through an object?
Transmit
What tool can be used to separate white light into all colors of visible light?
A prism
What are the two different types of lenses?
Convex and concave.
I shine a light through an object. The light scatters after being transmitted through the object. What type of object is it?
Translucent
You are looking at a banana. Explain which colors are being absorbed and reflected.
Yellow is reflected and ROGBIV are absorbed
What is a medium?
material or something that light travels through
what causes light to bend and cause refraction
light travels through different mediums at different speeds
What is the difference between convex and concave lenses?
One makes an image look smaller the other makes an image look bigger
What are the colors of the rainbow in order.
ROYGBIV
Name 5 items that contain lenses that will refract light
Answers may vary. microscope, telescope, binoculars, eyeglasses, camera, periscope, contact lenses, hand lens, magnifying glass etc.