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WorksheetsMidterm
Total questions: 30
Worksheet time: 53mins
Name
Class
Date
1.
How does temperature relate to density?
a)
As temperature decrease, density increases
b)
As temperature decreases, density decreases
c)
As temperature increases, density increases
d)
Temperature does not change density
2.
The region(s) that have a frequent occurrence of tornadoes are called
a)
sub-tropics
b)
low pressure
c)
high pressure
d)
tornado alley
3.
3. Where is Tornado Alley located?
a)
Near the equator of the Earth
b)
Near the North Pole
c)
South Central Los Angeles
d)
Middle states of United States
4.
When two air masses meet it is called a
a)
front
b)
gathering
c)
air mass
5.
What is the Greenhouse Effect?
a)
The rising of sea level over time
b)
The Earth's atmosphere losing heat
c)
The trapping of the Sun's warmth in the Earth'satmosphere
d)
The way we get energy to our holmes
6.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
7.
What is causing climate change
a)
wind
b)
the sun
c)
green house gasses
d)
water
8.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
9.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
10.
Loss of sea ice by melting in the Arctic Ocean _____________.
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
11.
What is the average weather for a particular time and region called?
a)
drought
b)
weather
c)
emissions
d)
climate
12.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
13.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
14.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
15.
Speed is
a)
the distance covered per unit of time
b)
the time it takes something to move a certain distance
c)
distance x time
d)
time x distance
16.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
17.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Deacceleration
d)
Not moving
18.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
19.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
20.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
21.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
22.
This is the symbol for a(n) _______________
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
23.
In a high pressure area, the weather will likely be
a)
cooler and clear skies
b)
warm but cloudy
c)
cold and rainy
d)
snowy and clear
24.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
25.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
26.
Which of the following is the same as a Newton?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
27.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
28.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
29.
Mass x acceleration = ?
a)
force
b)
inertia
c)
momentum
d)
velocity
30.
Relating to Newton’s Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?
a)
Nothing
b)
Propels in the opposite direction
c)
Creates a balanced force
d)
Creates friction
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