a change in an objects position relative to a reference point
what is motion
The measure of the amount of space between 2 points
what is distance? 2X
A force that acts against motion
What is friction
This determines whether an object will sink or float in water.
What the denisty of an object?
Speed in a given direction
What is velocity
The columns on the periodic table are called
What are groups?
This can be used to identify an unknown substance.
What are characteristic properties. 3X
Any change in an objects velocity (changing speed, changing direction or both)
What is acceleration
An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an unbalanced force
What is Newton's 1st law of motion 3X
The rows on the periodic table are called
What are periods?
The formula to calculate speed
What is distance/time 2X
An object's resistance to a change in motion
What is inertia
The alkali metals are in group #
What is 1 5X
What is density