assessment_24thru29.doc

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Newton and Copernicus Pre/Post Assessment
1: An object is in motion if it is moving…
(a)
towards a reference point
(c)
its distance does not change
(b)
(d)
2: A reference point should be…?
(a)
stationary
(c)
tiny
in motion
large enough to see for miles
(b)
(d)
away from a reference point
a and b
3: Scientists need reference points to measure an object’s
(a)
size
(b)
weight
(c)
speed
(d)
time
4: Which of these is the speed formula?
(a)
S = t/d
(b)
(c)
S=dXt
(d)
S = d/t
S=d+t
5: What two measurements are needed to calculate speed?
(a)
distance and time
(b)
distance and length
(c)
time and rate
(d)
rate and distance
6: How many centimeters are in one meter?
(a)
10
(b)
100
(c)
1000
(d)
10/100
7: Which of these objects would be best measured in centimeters
(a)
a parking lot
(b)
an envelope
(c)
a short street
(d)
the point of a needle
8: What would be the reference point when measuring how many centimeters a snail
travels in one minute?
(a)
The 100 cm mark
(b)
The snail’s head
(c)
The zero cm mark
(d)
Where the snail stops along the meter stick
9: A rat runs 100 centimeters in 5 seconds. What is its speed?
(a)
25 cm/s
(b)
20 m/s
(c)
20 cm/s
(d)
20 s/cm
10: Which of these instruments would be needed to find the rat’s speed in cm?
(a)
meter stick and timer
(b)
timer and 12 inch ruler
(c)
meter stick and scale
(d)
flask and timer
A Newton and Copernicus Companion: Copyright August 2007, J.C. Olson.
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