Vocabulary
Force and Motion
Light 1
Light 2
100
A push or pull that causes an object to move, stop, or change direction.
What is a force
100
s=d/t is the formula to calculate this.
What is average speed?
100
True or False: Light moves faster through air than it moves through water
What is true?
100
A table, a solid door, and a desk are examples of this type of object that will not let light pass through.
What are opaque objects?
200
A force that opposes motion when two surfaces rub against each other.
What is friction?
200
These surfaces produce more of this than smooth surfaces.
What are rough surfaces?
200
Light travels this way.
What is in a straight line?
200
This type of lens bends light toward a point called the focus.
What is a convex lens.
300
An object's speed in a particular direction.
What is velocity?
300
This force keeps the Earth in orbit around the Sun.
What is gravity?
300
Glass, water, and clear plastic are allow light to pass through them. These objects are considered this.
What is transparent?
300
This type of lens allows light to be bent outward.
What is a concave lens.
400
Any change in velocity.
What is acceleration?
400
An object starts to move, stops moving, or changes speed or direction when this happens.
What is when a force acts on it?
400
An object that reflects all light is what color?
What is white?
400
Light waves bend as they pass through a clear material. This is the term that describes this action.
What is refraction?
500
A measure of the distance an object moves in a given amount of time.
What is speed?
500
A change in an objects position.
What is motion?
500
This tool allows you to turn white light into colored light.
What is a prism?
500
Bob wants to add a window to his bathroom. Since the bathroom is on the first floor, he doesn't want people to be able to see through the window. However, he does want light to pass through the window. Bob will need this type of material for his window.
What is a translucent material?
M
e
n
u