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b final review

Total questions: 86

Worksheet time: 47mins

Name
Class
Date
1.
Which of the following are the 2 pieces of evidence for the big bang?
a)
blue shift, and red shift
b)
background radiation and blue shift
c)
reverse and forward
d)
red shift and background radiation
2.
What star stage is a star?
a)
death stage
b)
sencond stage
c)
third stage
d)
first stage
3.
How does a star with a mass of up to 1.4x that of the sun end its life?
a)
white dwarf
b)
supernova
c)
neutron star
d)
black hole
4.
How does a star with a mass of over 3x that of the sun end it's life?
a)
white dwarf
b)
supernova
c)
neutron star
d)
black hole
5.
When 25% of the hydrogen in a star runs out, what starts?
a)
birth
b)
fusion starting
c)
death
d)
midlife crisis
6.
What does mass determine for a star?
a)
how it will end its life
b)
how it will start its life
c)
if it will be a protostar, or a star
7.
What do nebula, protostar, and star all have in common?
a)
they are the ending of a star's life
b)
they are only associated with super massive stars
c)
all stars go through these stages
8.
Each element has a set number of what subatomic particle?
a)
proton
b)
neutron
c)
electron
d)
nucleus
9.
What is the charge of a neutron?
a)
positive
b)
negative
c)
neutral
d)
depends
10.
What two subatomic particles are equal in a neutral atom?
a)
proton and neutron
b)
neutron and electron
c)
electron and proton
d)
nucleus
11.
How is the periodic table arranged?
a)
alphabetical
b)
atomic number
c)
atomic mass
12.
Which category makes up the LEAST of the periodic table?
a)
acids
b)
bases
c)
metals
d)
nonmetals
13.
which category on the periodic table are BAD conductors?
a)
acids
b)
bases
c)
metals
d)
nonmetals
14.
What do all atoms of fluorine have in common, no matter what?
a)
atomic mass
b)
number of neutrons
c)
number of protons
d)
number of electrons
15.
What is the charge of a proton?
a)
positive
b)
negative
c)
neutral
d)
depends
16.
Which circuit has a resistance that DECREASES when resistors are added?
a)
series circuit
b)
parallel circuit
17.
Which circuit has only 1 path for electricity to flow?
a)
series circuit
b)
parallel circuit
18.
In which type of circuit do bulbs dim as more are added?
a)
series circuit
b)
parallel circuit
19.
Which type of circuit will work with a break in it?
a)
series circuit
b)
parallel circuit
20.
Which type of circuit has breaks in it?
a)
open circuit
b)
closed circuit
21.
Which type of circuit will work?
a)
open circuit
b)
closed circuit
22.
What is current measured in?
a)
amps
b)
volts
c)
ohms
d)
newtons
e)
joules
23.
If an object has 6x times the mass of another object, what else does it have 6x of?
a)
velocity
b)
acceleration
c)
weight
24.
What force always acts in a direction that is opposite to the motion that creates it?
a)
friction
b)
basic
c)
tension
d)
weight
e)
normal
25.
If a motorcycle is going at a constant velocity, which will take longer, going 10 miles or 3 miles?
a)
10 miles
b)
3 miles
c)
it depends on the acceleration
26.
A big change in velocity in a short time, what type of acceleration?
a)
large acceleration
b)
small accelration
c)
no acceleration
27.
your bag flying off the front seat when you hit the brakes is an example of which of newton's laws?
a)
first
b)
second
c)
third
28.
What is inertia based on?
a)
mass
b)
velocity
c)
friction
29.
In a frictionless environment how much force is needed to keep an object going?
a)
9.8 N
b)
10.1 N
c)
0 N
d)
the weight of the object
30.
You throw a bowling ball through a window, which experiences more force?
a)
bowling ball
b)
window
c)
both equal amount of force
31.
If you extend the time it takes for something to stop, what happens to the force it experiences?
a)
nothing
b)
force increases
c)
force decreases
32.
What is mass times velocity equal to?
a)
inertia
b)
energy
c)
momentum
d)
force
33.
You push on a rock for 10 hours, how much work did you do?
a)
10 J
b)
100 J
c)
200 J
d)
none
34.
Why does the sun have a greater escape speed than earth?
a)
it's further away
b)
it's more massive
c)
it's doing fusion
35.
What is special about a 45 degree launch?
a)
circular orbit
b)
eliptical orbit
c)
highest height
d)
longest distance
36.
Why does it take neptune longer to go around the sun than the earth?
a)
it's more mass
b)
it has further to go
c)
it's a gas giant
d)
it doesn't take a longer time
37.
Where can you go to escape Earth's gravity (technically)?
a)
moon
b)
sun
c)
different galaxy
d)
you can't escape Earth's gravity
38.
Which is more responsible for tides?
a)
sun
b)
moon
c)
both contribute equally
39.
A lack of support force explains which of the followign?
a)
weightlessness
b)
terminal velocity
c)
newton's first law of motion
40.
If you are in an elevator and your weight increases, are you moving up or down?
a)
up
b)
down
c)
free fall
41.
Is G, the universal gravitational constant, strong or weak?
a)
weak
b)
strong
42.
Why don't you feel the gravitational pull of your neighbor?
a)
they're too massive
b)
they're too close
c)
they're too small
d)
they're too far away
43.
Why don't you fell the gravitational pull of Neptune?
a)
It's too massive
b)
it's too close
c)
it's too small
d)
it's too far
44.
Wood floats on water, which has more density?
a)
wood
b)
water
c)
equal
45.
If the buoyant force is more than the object's weight, what will happen?
a)
the object will stay where it is
b)
the object will float
c)
the object will sink
46.
Which two states of matter make up fluids?
a)
solid and liquid
b)
liquid and gas
c)
gas and solid
47.
Does fluid pressure depend upon depth, or area of the fluid?
a)
depth
b)
area
c)
neither
48.
Which has greater density, 1 ton of pure iron, or 1 oz of pure iron?
a)
1 ton
b)
1 oz
c)
equal
49.
If particles are slowing down, what is happening to temperature?
a)
nothing
b)
increasing
c)
decreasing
50.
Oil changes its temeprature quickly, does it have a high or low specific heat?
a)
high specific heat
b)
low specific heat
c)
more info is needed
51.
Why do materials contract when they are cooled?
a)
they don't
b)
the particles are moving faster and so need less room
c)
the particles are moving slower and so need less room
52.
Which state of matter has the highest energy?
a)
solid
b)
liquid
c)
gas
53.
Which state of matter does NOT change its shape based upon the container it's in?
a)
solid
b)
liquid
c)
gas
54.
The sun warming up a car is what type of heat transfer?
a)
conduction
b)
convection
c)
radiation
55.
If something changes temperature quickly, would it be a conductor or insulator?
a)
neither
b)
conductor
c)
insulator
56.
Hot air hitting your face when you open the oven is what type of heat transfer?
a)
conduction
b)
convection
c)
radiation
57.

What unit is the flow of electrons?

a)

voltage

b)

current

c)

resistance

58.

What do we call the gravitational attraction between you and the Earth?

a)

mass

b)

friction

c)

weight

d)

gravity

59.

What do Newton's measure?

a)

mass

b)

force

c)

speed

d)

momentum

60.

Which of newton's laws says that whenever a body exerts a a second body, both experience equal and opposite forces

a)

first

b)

second

c)

third

d)

universal gravitation

61.

What term is an object's resistance to change in its motion?

a)

momentum

b)

mass

c)

impulse

d)

inertia

62.

What is defined as in a system the momentum is the same before and after a crash?

a)

conservation of energy

b)

momentum-impulse

c)

conservation of mass

d)

conservation of momentum

63.

What is energy due to position?

a)

potential energy

b)

kinetic energy

c)

power

d)

work

64.

What is the rate at which work is done?

a)

potential energy

b)

kinetic energy

c)

power

d)

work

65.

What do Joules measure?

a)

work

b)

power

c)

force

d)

momentum

66.

You are in an elevator and your apparent weight is zero, how is the elevator moving?

a)

up

b)

down

c)

free fall

67.

If two objects are not exchanging heat, what can be said about them?

a)

they are in thermal equilibrium

b)

they have no thermal energy

c)

they have different temperatures

68.

Which of the following is the total energy?

a)

temperature

b)

thermal energy

c)

heat

d)

thermal equilibrium

69.

Which of the following is the average energy?

a)

temperature

b)

thermal energy

c)

heat

d)

thermal equilibrium

70.

Which of the following is the transfer of thermal energy?

a)

temperature

b)

thermal energy

c)

heat

d)

thermal equilibrium

71.

Which of the following describes radiation?

a)

heat transfer due to direct contact between two solids

b)

heat transfer due to the movement of fluids

c)

Heat transfer due to electromagnetic waves

72.

IF something changes its temperature quickly, what type of material is it?

a)

insulator

b)

conductor

c)

metalloid

73.

What stage of development of a star is a nebula?

a)

first

b)

second

c)

third

d)

fourth

74.

Most scientists believe the Big Bang Theory explains which of the following questions?

a)

How our planets and moons formed

b)

How our universe began

c)

How the sun turns hydrogen into helium

d)

How fast light travels through space

75.

which of the following is measured in joules?

a)

weight

b)

energy

c)

force

d)

power

76.

Airplanes are related to whose principle?

a)

arestotle

b)

newton

c)

bernouli

d)

Einstein

77.

Force exerted per area is which of the following?

a)

power

b)

pressure

c)

work

d)

density

78.

Which of the following describes a net absorber?

a)

absorbs more than it emits

b)

emits more than it absorbs

c)

emits and absorbs equally

79.

Convection currents occur:

a)

Only in liquids

b)

When a dense substance is warmer than a less dense substance

c)

In both liquids and gases

d)

Weakly in solids

80.
What is the transfer of heat by direct contact?
a)
conduction
b)
convection
c)
radiation
81.

What class lever does this picture show?

a)

1st

b)

2nd

c)

3rd

82.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

83.
What number represents the amplitude?
a)
1
b)
2
c)
3
d)
4
84.

What is D pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

85.

What is A pointing to?

a)

Amplitude

b)

Crest

c)

Wavelength

d)

Trough

86.

Which of the following is an example of a longitudinal waive?

a)

light

b)

sound

c)

ocean waves

d)

radio waves

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