Light and Materials
Which material is transparent?
A. clean glass
B. metal
C. wood
D. wax paper
A. clean glass
The sun and stars are examples of _____________ light.
A. Natural
B. Artificial
C. Big
D. Fake
A. Natural
What happens to light when it hits a mirror?
A. It is absorbed
B. It Reflects
C. It passes through and bends
B. It Reflects
What is one thing that is needed to create a shadow?
A. a light source
B. water
C. wind
d. grass
A. a light source
What part of the eye controls how much light enters?
A. Cornea
B. Iris
C. Pupil
B. Iris
which is an example of translucent material?
A. Metal
B. Frosted glass
C. wood
D. clean glass
B. Frosted glass
Which of the following is an artificial light source?
A. The sun
B. The moon
C. stars
D. A flashlight
D. A flashlight
What is refraction?
A. When light bounces off an object
B. When light is absorbed
C. When light passes through and bends
C. When light passes through and bends
what is one thing that determines the size of a shadow?
A. Wind
B. the angle of light
C. how powerful the light is
D. how big the object is
B. the angle of light
what part of the eye is the dark center called?
A. the iris
B. The Cornea
C. The pupil
C. The pupil
What is an opaque material?
Something that blocks all light from passing through
Light is a form of energy that travels in straight lines called light rays. True or False?
True
Does Refuse Reflection occur on smooth or rough surfaces?
Rough surfaces
What are 2 different types of shadows?
A. Big Shadow, Small Shadow
B. Full Shadow, Partial Shadow
C. Dark Shadow, Light Shadow
B. Full Shadow, Partial Shadow
What part of the eye does light hit first?
A. pupil
B. Iris
C. Cornea
C. Cornea
Objects appear blurry through what kind of material?
translucent
What are 3 different kinds of light sources?
Natural light sources
Artificial light sources
Reflected light sources
What is an example of regular reflection off a surface?
A. a mirror
B. paper
C. Wall
D. Floor
A. a mirror
Complete the sentence.
Shadows form when objects block _______.
Light
Rod cells help us see in ______ light.
Dim light.
Which material creates shadows behind them?
Opaque materials
When light hits the moon and it bounces off of the moon, what kind of light source is it? (*Remember, there are 3 light sources.)
Reflected light source
Tell me one thing that the amount of light bending during refraction is dependent on?
The angle light hits the new material, or
The difference in density between materials
What a solar eclipse is an example of what kind of shadow?
partial shadow
What is the purpose of cone cells?