When a force causes an object to move in the direction of the force
What is Work? (Joules)
200
The measurement describing how much space an object occupies.
What is Volume?
200
When a substance changes how it looks but not what it is
What is a Physical Change
200
The rate at which velosity changes
What is acceleration?
200
The force that results from combining all of the forces acting upon an object
What is a Net Force
(balanced=nomovement; unbalanced=movement)
200
The rate at which work is being done
What is Power? (Watts)
300
Cylindrical tool used to measure liquid volume
What is a Graduated Cylinder?
300
Cobalt has an atomic number of 27, meaning it has 27 of these subatomic particles.
What is a Proton?
300
Speed plus direction
What is Velocity?
300
A force that opposes motion
What is Friction? (static, rolling, fluid, and sliding)
300
Any device which makes work easier by changing the direction or size of a force
What is a Machine?
400
Unit of measurement for Force
What is a Newton?
400
When a contained gas increases its volume as a response to an increase in temperature
What is Charles Law?
400
An object in motions will stay in motion unless acted upon by a force.
What is Newton's 1st law?
400
Substances which reduce friction
What is a Lubricant?
400
Name 3 types of machines
What are Levers, Wedges, Pulleys, Wheel and Axles, Compound machines (like scissors), and screws.
500
A ratio comparing the amount of mass an object has and the amount of space it occupies.
What is Density (g/cubic cm)
500
A change in state of matter from a gas to a liquid is called _________ and is an example of an __________ reaction.
What is Condensation and Exothermic?
500
The tendency of all objects to resist a change in motion
What is Intertia? (Newton's 2nd Law)
500
The relationship between gravitational force, mass and distance
What is Newton's Law of Gravitational Pull (The greater the mass and less the distance between objects the greater the gravitational attraction btwn them)
500
A comparison between a machines work output with the work input (expressed as a percetage)