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Midterm Review: Heat and Forces

Total questions: 63

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
2.
What are waves that can transfer heat through the vacuum of empty space?
a)
Electromagnetic waves
b)
Convection
c)
Conduction
d)
Heat
3.
What is a transfer of heat energy by electromagnetic waves?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
4.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
5.
What is the measurement of the average kinetic energy of a substance?
a)
Kinetic energy
b)
Temperature
c)
Thermal energy
d)
Potential energy
6.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
7.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
8.
Warm air rises and the cool air sinks. This is...
a)
conduction
b)
convection
c)
radiation
9.
Heat transfers from an area of ________temperature to an area of ______ temperature.
a)
high to low
b)
low to high
c)
high to high
10.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
11.
When the temperature of matter decreases the particles ...
a)
speed up and move farther apart
b)
speed up and move closer together
c)
slow down and move farther apart
d)
slow down and move closer together
12.

The weather patterns for a given region over time

a)

weather

b)

climate

c)

waves

d)

global warming

13.

The total sum of the kinetic energy in a given sample

a)

heat

b)

temperature

c)

salinity

d)

density

14.

What is the Coriolis effect?

a)

heat transfer caused by the rising of hotter, less dense fluids and the falling of cooler, more dense fluids.

b)

A punk rock band.

c)

the apparent deflection of moving air as a result of Earth's rotation.

d)

The amount of matter in a given volume.

15.

Surface Ocean currents are primarily caused by

a)

temperature and salinity

b)

wind

c)

convection

d)

continental drift

16.

Deep Ocean currents are primarily caused by

a)

temperature and salinity

b)

wind

c)

gravity

d)

precipitation

17.

Differences in water temperature create movement in the Ocean because

a)

bodies of water at different temperature have different densities.

b)

warm water is pulled more by the force of gravity then cold water is.

c)

warm and cold water mix until they reach the same temperature.

d)

The ocean just likes to "move-it move-it".

18.

which of these characteristics will produce the most dense water?

a)

high salinity, high temperature

b)

high salinity, low temperature

c)

low salinity, high temperature

d)

low salinity, low temperature

19.

Which one cools down slower?

a)

water

b)

air

c)

land

20.

long-term change in the prevailing weather patterns

a)

climate change

b)

global warming

c)

fossil fuels

d)

greenhouse gases

e)

natural resources

21.

a natural, non-renewable fuel such as coal, oil, or natural gas formed over a very long time in the geological past from the remains of living organisms

a)

climate change

b)

global warming

c)

fossil fuels

d)

greenhouse gases

e)

natural resources

22.

continual rise in the average temperature of Earth's climate system

a)

climate change

b)

global warming

c)

fossil fuels

d)

greenhouse gases

e)

natural resources

23.

Due to _______________ global temperature, ice sheets are melting, which adds water globally and increases the sea level.

a)

increased

b)

decreased

c)

stable

d)

unusual

24.

Human activity has added gases that have increased the _______________ in the atmosphere and have caused Earth's surface temperature to rise.

a)

carbon dioxide

b)

greenhouse effect

c)

carbon monoxide

d)

climate change

25.

Greenhouse gases can

a)

Clean your greenhouse

b)

Trap the heat escaping from earth.

c)

Inflate your greenhouse

d)

Cool the Earth

26.

An example of a greenhouse gas is

a)

Carbon dioxide

b)

Helium

c)

Oxygen

d)

Hydrogen

27.

Carbon dioxide is NOT made by

a)

Humans breathing out

b)

Dogs breathing out

c)

Volcanoes

d)

Plants during photosynthesis

28.

How long ago was the Industrial Revolution?

a)

400 years

b)

200 years

c)

500 years

d)

1000 years

29.
Carbon dioxide and seawater combine to form
a)
calcium carbonate
b)
carbon monoxide
c)
carbonic acid 
30.
Very slight increases in the acidity of seawater __________  marine organisms that make shells.
a)
doesn't bother
b)
has no effect on 
c)
is unhealthy and stresses
31.

a high-speed wind current, generally moving from west to east over the US

a)

wind

b)

jet stream

c)

Gulf Stream

d)

polar easterlies

32.

A warm swift current in the Atlantic Ocean that flows from the Gulf of Mexico along the eastern coast of the United States. Responsible for warming the east coast in the winter. Hurricanes follow this path because of the warm water

a)

jet stream

b)

Gulf Stream

c)

prevailing westerlies

d)

Tradewinds

33.

Everyone should try to reduce their ...

a)

carbon footprint

b)

solar footprint

c)

pylon footprint

d)

global footprint

34.
The graph below shows CO2 emissions and temperatures from 1909 to 1949.  What conclusion is best supported by the graph?
a)
There is no relationship between carbon dioxide concentrations and temperatures
b)
As carbon dioxide concentrations increase, temperatures increase
c)
As carbon dioxide concentrations increase, temperatures decrease
d)
As carbon dioxide concentrations decrease, temperatures increase
35.
The four fundamental forces of nature are: 
a)
Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear
b)
Gravity, Strong Nuclear, Weak Nuclear, Medium Nuclear
c)
Normal Force, Force due to gravity, Magnetism, Nuclear 
d)
Nuclear, Electricity, Gravity, Atomic 
36.
Gravity is due to:
a)
the pull between Earth and the moon.
b)
the pull between the Sun and Earth. 
c)
the pull between any objects with mass. 
d)
the pull between atomic nuclei. 
37.
The weakest of the four fundamental forces is: 
a)
Gravity 
b)
Electromagnetism
c)
Strong Nuclear 
d)
Weak Nuclear 
38.
________ can be either a force of attraction or repulsion while ____________ is only a force of attraction.
a)
Gravity; Electromagnetism 
b)
 Electromagnetism; Gravity
c)
Gravity; Strong nuclear force 
d)
Magnetism; Electricity 
39.
An electron moving in wire is an example of  ____________. 
a)
Gravity 
b)
Electromagnetism 
c)
Strong Nuclear 
d)
Weak Nuclear 
40.

List the 4 fundamental forces in order from strongest to weakest.

a)

gravity, strong nuclear, weak nuclear, electromagnetic

b)

electromagnetic, weak nuclear, strong, nuclear, gravity

c)

strong nuclear, weak nuclear, electromagnetic, gravity

d)

strong nuclear, weak nuclear, gravity, electromagnetic

41.

Which force holds the nucleus together even though the protons are pushing each other apart?

a)

weak nuclear

b)

gravity

c)

electromagnetic

d)

strong nuclear

42.

Which force allows electrons in the outer order to escape and cause that element to give off radiation?

a)

strong nuclear

b)

gravity

c)

weak nuclear

d)

electromagnetic

43.

What is the resultant of these two vectors?

a)

+17 m

b)

+3 m

c)

-17 m

d)

-3 m

44.

What is the magnitude of the resultant vector, r?

a)

3

b)

4

c)

5

d)

7

45.

What is the resultant of the two vectors shown above?

a)

+5

b)

-5

c)

+15

d)

-15

46.

A vector includes ______ and ________.

a)

direction, magnitude

b)

magnitude, units

c)

direction, units

d)

scalars, scalars

47.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
48.
A sled sliding on a flat, icy surface with a constant velocity is best described by
a)
Newton’s first law of motion for objects at rest.
b)
Newton’s first law of motion for objects in motion.
c)
Newton’s second law of motion.
d)
Newton’s third law of motion.
49.
A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
50.
An object will not have any inertia if it is __________?
a)
Accelerating
b)
Moving in a circle
c)
In space
d)
… Nonsense! All objects have inertia
51.
 267.5 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.2 m/s2. What is the mass of the chair?
a)
26.75 kg
b)
63.69 kg 
c)
263.3 kg 
d)
1123.5 kg
52.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
weight doesn’t change, no matter where you are
b)
different planets have different gravitational pulls
c)
In general, the smaller the planet, the greater weight
d)
dehydration effects on different planets change weight
53.
An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Conservation of momentum
54.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
55.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
56.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
57.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
58.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
59.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
60.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
61.

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

a)

100 m/s2

b)

25,000 m/s2

c)

10 m/s2

d)

25 m/s2

62.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is its force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

63.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.

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