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Semester 1 Exam Review

Total questions: 78

Worksheet time: 59mins

Name
Class
Date
1.
An element is defined by its number of 
a)
protons
b)
electrons
c)
neutrons
d)
protons + electrons
2.

The Cosmic Microwave Background is important because

a)

it tells us the universe is going to end

b)

it is evidence of the Big Bang

c)

it gives us a color image

d)

it showed us how to make microwave ovens

3.

What does CMBR stand for?

a)

Cosmic Microns Background Radiation

b)

Comic Members Building Roads

c)

Cosmic Microwave Background Resistance

d)

Cosmic Microwave Background Radiation

4.

What does CMBR stand for?

a)

Cosmic Microns Background Radiation

b)

Comic Members Building Roads

c)

Cosmic Microwave Background Resistance

d)

Cosmic Microwave Background Radiation

5.

What is plotted on an H-R diagram?

a)

A star's temperature and brightness

b)

A star's distance from Earth

c)

A star's color and distance from its planets

d)

A planet's amount of water

6.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
7.

What is the name of the reaction that gives stars their energy?

a)

Fusion

b)

Collision

c)

Fission

d)

Furnace

8.

What is the force that pulls in particles of a star?

a)

gravity

b)

fusion

c)

nebula

d)

neutron

9.
The life cycle of a star depends  on.
a)
mass
b)
luminosity
c)
radius
d)
temperature
10.

The light from a star moving away from us would be experiencing:

a)

Redshift

b)

Blueshift

c)

Greenshift

d)

Whiteshift

11.
If an object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
12.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe started as a point and is moving towards each other
13.

The time necessary for half of the parent isotope to decay into daughter isotopes.

a)

half-time

b)

parental-decay

c)

half-life

d)

half-decay

14.

A process in which atoms of an unstable element decay into atoms of a stable element

a)

radiometrics

b)

half-life

c)

decay rate

d)

radioactive decay

15.

Radioactivity is the release of __________ from unstable atoms

a)

strength

b)

protons

c)

electrons

d)

energy

16.
How does the law of crosscutting explain the age of a fault?
a)
The fault is younger than the rocks above it.
b)
The fault is younger than the rocks it cuts through.
c)
The fault is older than the rocks above it.
d)
The fault is older than the rocks it cuts through.
17.
How do geologists use relative dating?
a)
Placing rocks in order from youngest to oldest
b)
Placing rocks in order by minerals they contain
c)
Classifying rocks by different textures
d)
Classifying rocks by different isotopes
18.
Relative dating of rock layers tells us that the deeper we dig, _______.
a)
the younger the rocks get
b)
the smellier the rocks get
c)
the harder the rocks get
d)
the older the rocks get
19.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
20.
After the third half-life, how much of the sample is left?
a)
1/2
b)
1/3
c)
1/16
d)
1/8
21.

Radiometric dating is possible because the rates of decay of radioactive isotopes _____.

a)

change over time

b)

change from place to place

c)

are predictable

d)

vary widely

22.

Why can't we trust Earth's rocks?

a)

Rock cycle and convection

b)

The rock cycle, convection in the Earth, plate tectonics, and erosion

c)

Rock cycle only

d)

plate tectonics and erosion

23.

Equilibrium is two forces that are acting upon stars that keeps them from either collapsing or expending their energy. What are these two forces?

a)

gravity and fusion

b)

gravity and fission

c)

fusion and EMR

d)

EMR and fission

24.

Which of the following is NOT evidence that we are made of star stuff?

a)

Atoms are recycled

b)

Atoms larger than hydrogen are made in the stars

c)

All elements are metals and made in supernovae

d)

All hydrogen was made shortly after the Big Bang

25.

What is the only way to learn about stars?

a)

Get a road map to their houses

b)

Stare at them without sun glasses

c)

Scoop up star matter from the star

d)

study the electromagnetic radiation from them

26.

What is your quest?

a)

I seek the holy grail

b)

to pass the semester exam

c)

to watch Monty Python and the Holy Grail

27.
a)

Pass the semester exam

b)

Don't pass the semester exam

28.
a)

Come to school

b)

Don't come to school

29.
a)

I'll do it tomorrow

b)

PUBG/Fortnite

c)

Snapin/Reddit

d)

Studying for the exam

30.
a)

Yep

b)

nope

c)

alright

d)

pass

31.
a)

truth

b)

respect

c)

think

d)

nope

32.
a)

upvote

b)

downvote

33.
a)

dope

b)

nope

c)

hope

d)

cope

34.

How long a star will live, what elements it will form, and which life cycle it will go through is determined by its...

a)

mass

b)

brightness

c)

color

d)

temperature

35.

Light, heat, and elements are created in stars by

a)

nuclear fusion

b)

nuclear fission

c)

photosynthesis

d)

imagination

36.

When a star is young it will take ___________ and fuse it into ___________.

a)

hydrogen, helium

b)

helium, hydrogen

c)

hydrogen, iron

d)

helium, iron

37.

75% Hydrogen and 25% helium is the composition of

a)

of the the universe since the Big Bang

b)

of the galaxy

c)

of our solar system

d)

of our Earth

38.

Scientists compare the ratio of parent isotopes to daughter isotopes to

a)

determine the absolute age of a rock

b)

determine the relative age of a rock

c)

determine what the rock is made of

d)

determine if the rock is young or old

39.

How old is the Earth?

a)

4.6 billion years

b)

4.6 million years

c)

6,00 years

d)

2,018 years

40.

What is relative dating?

a)

dating your cousins

b)

comparing layers of rock to each other to find their approximate age

c)

comparing the ratio of parent isotopes to daughter isotopes to find an exact age

41.

you have 24 grams of an unstable nuclei with a half-life of two years. Six years pass by, how much of that unstable nuclei do you have left?

a)

12 g

b)

6 g

c)

3 g

d)

1.5 g

42.

Are rocks on Earth younger than the Earth itself?

a)

Yes

b)

No

c)

rocks are ageless

43.

Atoms of the same element may contain different numbers of _________.

a)

neutrons

b)

protons

c)

electrons

d)

neutrinos

44.

Which layer between A & C is older and which law supports this?

a)

A is older, law of superposition

b)

C is older, law of inclusion

c)

A is older, law of inclusion

d)

C is older, law of superposition

45.

Between layers C & B which layer is the youngest and which law supports your answer?

a)

Layer B is younger, law of crosscutting

b)

Layer C is younger, law of inclusion

c)

Layer B is younger, law of inclusion

d)

Layer C is younger, law of crosscutting

46.

Between layers A & D which layer is older and which law supports this?

a)

D is older, law of superposition

b)

A is older, law of superposition

c)

D is older, law of crosscutting

d)

A is older, law of crosscutting

47.

Between layers B & G which one is older and which law supports this?

a)

B is older, law of crosscutting

b)

G is older, law of crosscutting

c)

B is older, law of superposition

d)

G is older, law of superposition

48.

Between layers I & D which layer is younger and which law supports this?

a)

I is younger, law of superposition

b)

D is younger, law of superposition

c)

I is younger, law of crosscutting

d)

D is younger, law of crosscutting

49.

I have come here to chew bubblegum and kick this semester exam's butt

a)

and I'm all out of bubblegum

b)

and I'm going to OBEY.

50.
a)

what is the wae?

b)

yes, I know da wae

c)

no, I do not know da wae

51.
a)

yep

b)

nope

52.
a)

legit

b)

dope

c)

truth

53.

Convection is the force that drives

a)

seismic waves

b)

volcanoes

c)

cars

d)

plate tectonics

54.
A plate boundary at which two plate move parallel to each other in opposite directions
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
55.
one tectonic plate moves under another
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
56.
a boundary at which two plates move away from each other
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
57.
a boundary at which two plate move toward each other
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
58.
What type of boundary is in this image?
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
59.
What type of boundary is in this image?
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
60.
What type of boundary is in this image?
a)
convergent plate boundary
b)
divergent plate boundary
c)
transform plate boundary
d)
subduction
61.
What new feature forms at a convergent plate boundary where two continental plates collide?
a)
mid-ocean ridge
b)
trench
c)
mountain range
d)
none of these features form
62.
___________ help explain why Earth is not getting any larger even though the tectonic plates are always moving.
a)
earthquakes
b)
subduction zones
c)
fossils
d)
volcanoes
63.
The OLDEST seafloor is located? 
a)
Closest to the mid-ocean ridge
b)
Farthest from the mid-ocean ridge
64.
New crust is always formed at the...
a)
mid-ocean ridge
b)
deep-ocean trench
c)
asthenosphere
65.

Which layer has a part that is thick with a viscous consistency that transfers heat through convection?

a)

Crust

b)

Mantle

c)

Core

d)

All of them

66.

Earth’s internal structure is divided into layers based on

a)

composition

b)

density

c)

cost

d)

formation

67.

Photosynthetic life has changed the atmosphere by producing what gas?

a)

Nitrogen

b)

Helium

c)

Argon

d)

Oxygen

68.

Select the following ways in which heat can be transferred:

a)

Radiation

b)

Convection

c)

Radioactive Decay

d)

Conduction

e)

Nuclear Fusion

69.

Anaerobic organisms changed the composition of the atmosphere when the Earth was young (~1 billion years ago). Why is that important?

a)

It prevented microbial life from forming soil

b)

It prevented erosion

c)

It produced a gas that other living organisms could breathe

d)

It decreased weathering rates

70.

These large organic structures affect erosion and deposition patterns along coasts and increased the biodiversity in our oceans.

a)

Coral reefs

b)

Mountains

c)

Volcanoes

d)

Soil

71.

How did scientists discover the Earth has separate layers with different physical characteristics (solid, liquid, gas, viscous)?

a)

Satellite imaging

b)

Seismic waves from earthquakes

c)

Radioactive decay

d)

They drilled down to the center of the earth

72.

Hot material has a ___________ density. Cold material has a ____________ density. Which creates _____________ in the mantle.

a)

Low, high, viscosity

b)

High, low, convection

c)

Low, high, convection

d)

High, low, viscosity

73.

Anaerobic means

a)

something that needs oxygen

b)

something that doesn't need oxygen

74.

Biotic means

a)

something that is alive

b)

something that is not alive

75.

Aerobic means

a)

something that needs oxygen

b)

something that doesn't need oxygen

76.

Abiotic means

a)

something that is alive

b)

something that is not alive

77.

Did the Earth evolve?

a)

Yes from abiotic to biotic & anaerobic to aerobic

b)

No

c)

Yes from biotic to abiotic & aerobic to anaerobic

d)

Obvious wrong answer is obvious

78.

How does old crust get recycled?

a)

back into the mantle at subduction zones.

b)

at mid-ocean ridges

c)

at transform boundaries

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