6th 8.3 Describing and Measuring Motion

If you are in a car and wave at your friend as you pass by, what is not moving in respect to you?

• Your friend
• Your car
• You
• Your friend's house

Why is a moving car is not used as a reference point?

• Because it is difficult to tell other people which car you are using
• Because it is difficult to determine how fast and in which direction motion is occuring
• Because the car will go out of sight too quickly
• because the car has moving parts, like rolling tires, it can be too distracting

What is the best reference point for describing the motion of the planets in our solar system?

• The galaxy
• The moon
• The sun
• The asteroid belt

If you are in a stationary school bus, what would be the best reference point for you to use to determine when the bus starts to move?

• The front of the bus
• The front of the school
• The bus sitting next  to you
• A student walking on the sidewalk

What is the SI unit used for measuring distance?

• inch
• mile
• foot
• meter

How many millimeters are in a meter?

• 1
• 10
• 100
• 1,000

There are 1,000 meters in a ___________

• kilometer
• millimeter
• centimeter

An object is in _________  if its position changes relative to another object.

• motion
• reference point
• distance
• SI Unit

What is used as a place or object to compare or to determine if something is in motion?

• distance
• relative motion
• reference point
• SI Units

What is the length of the path between two points?

• distance
• length
• kilometer
• meter