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Scientific Inquiry
Graphing
Proportionality (draw)
Unit Conversion
Velocity
100
In a ball-bouncing experiment, the height that the ball is dropped from is considered to be the: a. independent variable b. dependent variable
What is a. the independent variable?
100
In your graph on the bottom of the review, what maximum number does the y-axis go up to?
y = 4
100
Draw a graph that shows direct proportionality
See letter D in review
100
Write 5 km in meters (there are 1000 meters in 1 km)
5000 m
100
Is the following considered to be a velocity? 30 mph
Not a velocity
200
In an experiment where you cool down a liquid using ice to measure its conductance, what is the independent variable?
Independent variable: how much ice/how much you cool the liquid
200
In your graph on the bottom of the review, what maximum number does the x-axis go up to?
x = 6
200
Draw a graph that shows squared proportionality
See letter B in review
200
Write 20 km in meters (there are 1000 meters in 1 km)
20,000 m
200
Is the following considered to be a velocity? Running towards Ms. Brinkmeyer
Not a velocity
300
In an experiment where the scientist measures how food affects a frog's hopping ability, what is the dependent variable?
dependent variable: frog's hopping ability
300
In your graph on the bottom of the review, what is the value of the slope?
1/1 = 1
300
Draw a graph that shows no relationship/constant
See letter A in review
300
Write 4000 grams in kilograms (there are 1000 g in 1 kg)
4 kg
300
Is the following considered to be a velocity? Walking 2 m/s towards 1301 N. Derbigny st
Yes, this is a velocity (it has speed and direction)
400
In an experiment where you cool down a liquid using ice to measure its conductance, what is the dependent variable?
dependent variable: the conductance of the liquid
400
In your graph on the bottom of the review, what is the value of the y-intercept?
y = b = 1
400
Draw a graph that shows inverse proportionality
See letter C in review
400
Write 3,000 milligrams in grams (there are 1000 mg in 1 g)
3 g
400
Velocity must have both ________________ and _____________
What is speed and direction?
500
In an experiment where a scientist shoots electrons through slit(s) to see what pattern they create on the wall, what could be one independent variable? (Hint: there are multiple possible answers)
Possible independent variables: number of slits, number of electrons shot, rate of electrons shot, angle electrons shot at, whether there is an observer/recorder
500
In your graph on the bottom of the review, what will y equal when x equals 100?
y will equal 101
500
How do you know a graph shows square proportionality (what two things must it be?) __________________ and __________________
curved line and trending upwards
500
Write 420,000 milligrams in grams (there are 1000 mg in 1 g)
420 g
500
Andrew traveled 3 miles in one hour to the east
Yes, speed (3 mph) and direction (east) makes this a velocity