AnswersWA-Physical Science BIntroduction to Motion

Introduction to Motion Answers

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Julie finds a snail on the sidewalk and wants to know whether or not the snail moves throughout the day. She places a single mark on the sidewalk next to the snail.What will Julie use the mark for initially?

d
determining how fast the snail moves
a
acting as a standard unit of measure
d
determining the displacement of the snail
a
acting as a reference point for detecting motion
3

Which scenario best describes motion?

A
a toy train in position 4 on a number line
B
a race track that is 100 meters long
C
a ball rolling from point A to point B
D
a student living 150 miles from Chicago
4

What is required in order to determine whether or not an object moves?

a
a reference point
d
distance
d
displacement
s
standard units
6

Which could describe the motion of an object?

A
distance = 1 meter and displacement = 10 meters
B
distance = 10 meters and displacement = 100 meters
C
distance = 0 and displacement = 10 meters
D
distance = 10 meters and displacement = 10 meters
10

Nancy and Hiyang are training for a race. They entered some of their training notes in a chart.Which information should be added to the chart in order find out who ran a greater distance?

Question illustration
A
the time spent running each day
B
the reference point used each day
C
the units used to measure distance each day
D
the location used by the runners each day

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