chapter 1
lesson 1
Chapter 1
Lesson 2
chapter 2
lesson 1
chapter 3
lesson 1
Chapter 3
Lesson 2
100
starting point used to describe a position of an object.
What is reference point
100
rate of change of distance with time
What is speed
100
a push or pull
What is force
100
amount of mass per unit volume of a material
What is density
100
upward force on a object in a fluid exerted by the surrounding fluid
What is buoyant force
200
quantity that has both a size and a direction
What is vector
200
travels the same distance each second
What is constant speed
200
exerted only when two objects are touching
What is contact force
200
six sided block in which all sides are rectangular
What is rectangular solid
200
force of an object is equal to the weight if the fluid the object displaces
What is Archimedes' principle
300
difference between initial position and the final position of an object
What is displacement
300
dosen't change
What is instantaneous speed
300
when they are not touching
What is noncontact force
300
materials that can flow and have no definite shape
What is fluids
300
instrument that measures the density of a liquid
What is hydrometer
400
distance traveled and your change in position are different
What is changing position
400
peed and direction of motion
What is velocity
400
net force on an object is not zero
What is unbalanced force
400
force per unit of area applied on the surface of an object
What is pressure
400
air is made of mostly nitrogen gas and oxygen gas
What is helium balloons
500
direction from the reference point, and a distance from the reference point
What is reference points and reference directions
500
rate at which velocity changes
What is acceleration
500
net force on an object is zero
What is balanced force
500
force exerted per unit area by air particles
What is atmospheric pressure
500
controlled by changing the temperature of the air inside inside the balloon
What is hot air balloons
M
e
n
u