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WorksheetsScience Unit 2 Benchmark Review
Total questions: 20
Worksheet time: 12mins
True or False? Objects in motion have balanced forces.
True
False
When forces on an object are unbalanced, the object's __________________ will change. (Check all that apply)
mass
speed
properties
direction
______________ motion has a predictable or repeating pattern.
balanced
friction
cyclic
all
Which are examples of "shifting back and forth" cyclic motion?
pendulum
a baseball being thrown
the Moon in orbit
a swing
Which are examples of "moving in one direction" cyclic motion?
jumping on a trampoline
a carousel
using a pogo stick
a pendulum
Which are examples of "moving in cycles" cyclic motion?
a carousel
the moon in orbit
throwing a baseball
using a pogo stick
The main force responsible for the swinging of a pendulum is:
friction
magnetic force
gravity
air resistance
True or False? Changing the mass of the bob on a pendulum will change its circular pattern.
True
False
True or False? Changing the length of a string on a pendulum will change its circular pattern.
True
False
True or False? Changing the angle of release of a pendulum will change its circular pattern.
True
False
____________ is the attractive force that pulls objects towards the center of the Earth.
Friction
Gravity
Air Resistance
The two factors that affect the pull of gravity are: ______________ and _______________.
shape
mass
weight
distance
The larger the mass of an object, the ________________ the pull of gravity.
greater
lower
Which will have the greatest pull of gravity?
2 beach balls 2 feet apart
2 bowling balls 2 feet apart
The ___________ has the largest pull of gravity in our solar system.
Moon
Earth
Sun
Jupiter
In order to change motion, a(n) ______________________ force must act on an object.
balanced
unbalanced
Force is measured in:
Newtons
grams
pounds
ounces
True or False? A 50kg man will have the same weight on Earth as he does on the moon.
True
False
Do falling objects with more or less surface area experience more air resistance?
More
Less
True or false: an object must be physically touched by a force to be affected by it.
True
False
