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WorksheetsSemester Exam Review
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Scientific facts can change with new evidence.
a)
True
b)
False
2.
An educated guess about the answer to a scientific question.
a)
Theory
b)
Hypothesis
c)
Fact
d)
summary
3.
a Hypothesis supported by testing and data is
called a ?
called a ?
a)
Gander
b)
Hypothesis
c)
Theory
d)
Fact
4.
The application of Science in our world is called?
a)
electrobe
b)
synthetic
c)
temperate
d)
Technology
5.
A Phenomenon about which competent observers can agree is called a ?
a)
Taxonommy
b)
Scientific Fact
c)
operating system
d)
Anantomy
6.
Speed with direction (a vector) is called ?
a)
Terminal
b)
Warp
c)
Velocity
d)
Velcro
7.
Balanced equal forces pushing in opposite direction equals?
a)
equilibrium
b)
nirvana
c)
sasquoan
d)
constant
8.
Each second an object falls in free fall?
a)
It will digress
b)
The greater the distance it covers than the second before due to its acceleration 10m/s2.gravity
c)
It slows down by 5ms
d)
Nothing will occur.
9.
More more mass an object has the more ______it has?
a)
Initials
b)
incumbent
c)
inversely
d)
Inertia
10.
Scientific weight is mass in kilograms x gravity 10ms
squared. The resulting weight is measured in ?
squared. The resulting weight is measured in ?
a)
lb. pounds
b)
cm centimeters
c)
N newtons
d)
Q quarts
11.
A 2kg bag of grapes weighs how much?
a)
40 lbs
b)
20 N
c)
30 J
d)
50 KJ
12.
All Forces act in Pairs.
a)
True
b)
False
13.
The Rate at which work is done is called?
a)
Power
b)
Petrol
c)
Fuel
d)
momentum
14.
Work = Force x Distance. And the result is measured in ?
a)
giggawatts
b)
newtons
c)
Joules
d)
meters
15.
PE potential energy and KE kinetic energy are the two forms of?
a)
quantum physics
b)
quasars
c)
nebulas
d)
mechanical energy
16.
Work requires energy?
a)
True
b)
False
17.
Power is work divided by time. It is measured in Watts.
How much Power is in 500 Joules of work if its done in 2 seconds?
How much Power is in 500 Joules of work if its done in 2 seconds?
a)
200 P
b)
250 W
c)
1000 N
d)
2 GW
18.
Formula for potential energy?
a)
PE = mgh
b)
KE= 1/2 mass x mv2
c)
P = Work divided by time
d)
W= F x D
19.
An object moving with kinetic energy must have?
a)
momentum
b)
displasia
c)
magnetism
d)
cumlionimbus
20.
You have kinetic energy when you run. if you run 3 times as fast you have ____ times as much kinetic energy.
a)
3
b)
6
c)
9
d)
8
21.
The further you are from the earth the less effected you are by its Gravity.
a)
True
b)
False
22.
Gravity is directly propotional to Mass and Distance.
a)
True
b)
False
23.
Earth Satellites must be above the earths ?
a)
Hydrogen
b)
epicenter
c)
latitude
d)
Atmosphere
24.
The more Force you put on a moving object the more ________ it posesses.
a)
Granuels
b)
Carbon
c)
Momentum
d)
Hydrogen
25.
You can reduce force impact using softer surfaces by extending the ___ _ ______?
a)
Area of Speed
b)
Time of Impact
c)
Rate of Power
d)
PE
26.
___ ______ Falls with a Tangential Velocity in a circular pattern.
a)
Saturn
b)
Mars
c)
Venus
d)
The Moon
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