Position
What is motion?
Types of Motion
Translation or Rotation
Rolling or Sliding
100
What is position?
The place (location) where an object is
100
What is motion?
Simple - Something moving
Science - An object changing its position with time compared to a reference
100
Name one type of motion.
linear, circular, translation, rotation, rolling, sliding...
100
Did the triangle move by translation or rotation?
translation
100
Will a ball roll or slide down a ramp?
roll
200
What do we need to tell someone the position of an object?
A reference
200
What do we need to have to see if something is in motion?
A reference
200
Name one thing that rotates?
Earth, the moon, the other planets, wheels ...
200
What happens when an object changes position (moves) by translation?
All points of the object move in the same direction.
200
Will a cube roll or slide down a ramp?
slide
300
What are some words we can use to describe a position compared to a reference?
on, in, in front of, behind, next to, beside...
300
Why can different moving things look different?
There are different types of motion.
Different things can move.
300
What is linear motion?
An object changing to a new position in a line.
300
What parts of a car rotate?
The wheels
300
Is sliding translation or rotation?
translation
400
What is the name for two numbers or letters that tell you the exact position of a spot on a grid or graph?
coordinates
400
Can something be moving in different ways at the same time?
Yes
400
What type of motion does a musical instrument do to make sound?
vibration
400
What can parts of a rotating object on opposite sides of the axis do?
Move in different directions
400
Is rolling translation or rotation?
both
500
What are the coordinates of C?
For a merit, what are the coordinates of A, B, or D?
C = (2,2)
A = （-2，2）
B= (-2,-2)
D = (2,-2)
500
Name one thing from our last unit that is always moving in 2 different ways (2 types of motion)?
Earth
The Moon
All the other planets
500
Periodic motion is a motion that repeats over and over in the same amount of time.
Name something that has periodic motion.
Earth, the Moon, all the other planets, a pendulum...
500
What type of motion would something attached to a rotating object have? (Like China on Earth)
Circular
500
How are rolling and sliding similar?
They both happen on a surface.
They are both linear.