If Jorge is investigating the affect of salt on bacteria growth, identify the independent variable, dependent variable, and control group.
IV: Amount of Salt
DV: Bacterial Growth
CG: Bacteria w/ no salt
100
Which law says that an object in motion stays in motion until acted on by an unbalanced force?
1st Law
100
What does the slope of a distance-time graph represent?
Speed/Velocity
100
A rock has a density of 4 g/mL. What is the mass of a 8 mL sample of the rock?
32 g
100
What city is Chief Keef from?
Chicago
200
What is the standard metric system unit for Volume?
Liters
200
According to Newton's 2nd Law, which is more difficult to accelerate: a 10-kg block or a 100-kg block?
100-kg block
200
What are the units for acceleration?
m/s2
200
What is the velocity of a car that drives 300 meters in 15 seconds?
20 m/s
200
What college did Dwyane Wade attend?
Marquette
300
How many inches are in 5 feet?
60
300
According to Newton's 3rd Law, for every action force there is a(n) ___________________________.
equal and opposite reaction force
300
Stephanie walks 5 m east, 5 m north, then 5 m west. What is her distance and displacement?
15 m
5 m north
300
What is the acceleration of a car that goes from 30 m/s to 50 m/s over the course of 4 seconds?
5 m/s2
300
What is the name for the University of Pennsylvania's athletic teams?
Quakers
400
What variable goes on the x-axis when graphing scientific data?
Independent
400
What type of force acts opposite the motion of an object?
Friction
400
In what type of situations would an object have a negative acceleration?
Slowing down
400
A 4 cm x 3 cm x 1 cm block has a mass of 36 g. What is its density?
3 g/mL
400
In his song "Holy Grail," Jay-Z quotes the line "and we're all just entertainers..." from a famous '90's song. Who sang the original song? (Singer or Band acceptable)
Kurt Cobain/Nirvana
500
How many millimeters are in 45 kilometers?
45,000,000
500
What is another name for the concept discussed in Newton's 1st Law?
Inertia
500
What are two different types of situations where an object would have an acceleration of zero?
At rest
constant speed
500
A 10-kg object is being acted on by two Forces: a 10-N force of gravity in the downward direction and a 5-N force of friction in the upward direction. What is its acceleration?
0.5 m/s2
500
What singer recently played a free show for a small crowd of 100 in Philadelphia after his Wells Fargo Center show was cancelled at the last minute?