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PHYSICAL SCIENCE REVIEW QUIZ FOR PRELIM EXAM

Total questions: 100

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

The process by which elements are created within stars by combining the protons and neutrons together

a)

Big Bang Nucleosynthesis

b)

Nuclear Fusion

c)

Nuclear Fission

d)

Stellar Nucleosynthesis

2.
The first elements were formed in what is known as _________________.
a)
Big Bang Nucleosynthesis
b)
Stellar Nucleosynthesis
c)
Supernova Nucleosynthesis
d)
Genonucleosynthesis
3.
An explosion that occurs at the end of a massive star’s life is a              
a)
black hole
b)
supernova
c)
white dwarf
d)
nebula
4.
How is nuclear fusion different from nuclear fission?
a)
In fusion, the product is a larger atomic nucleus.
b)
Fission produces energy but fusion does not.
c)
Fusion produces energy but fission does not.
d)
In fission, the product is a larger atomic nucleus.
5.
What are some of the outcomes of nuclear fusion?
a)
Produce larger materials from the collision of smaller materials.
b)
Release energy.
c)
Produce smaller materials from the collision of larger materials.
d)
Produce larger materials from the collision of smaller materials & Release energy
6.
What is the primary element that stars fuse early in their life cycle?
a)
Helium
b)
Dust
c)
Hydrogen
d)
Iron
7.

Define nuclear fusion.

a)

Nuclear fusion – combining lighter atoms to make heavier ones – is what makes it possible.

b)

Nuclear fusion – splitting lighter atoms to make heavier ones – is what makes it possible.

c)

Nuclear fusion – combining heavier atoms to make lighter ones – is what makes it possible.

d)

Nuclear fusion – splitting heavier atoms to make lighter ones – is what makes it possible.

8.

What is nucleosynthesis?

a)

How the sun creates new hydrogen atoms out of dark matter

b)

How helium atoms are broken down by nuclear fission to produce hydrogen

c)

How a nucleus is produced during the big bang

d)

How new elements are created in stars by combining the nuclei of atoms

9.

It refers to the explosive death of stars.

a)

Nebula

b)

Supernova

c)

Bigbang

d)

Recombination

10.

Why do elements heavier than Iron cannot be formed through fusion?

a)

Because its needs a lot of space

b)

Because it needs tremendous amount of energy are needed for the reaction to Occur

c)

Because its needs a lot of gasses of energy for the reaction to occur

d)

Because it needs the entire universe

11.
The combining of two or more atoms in a stars core into a new heavier atom.
a)
Fission
b)
Fusion
c)
Nuclear Reactions
d)
Nucleosynthesis
12.
A mixture of gasses, mainly hydrogen and helium, and dust consisting of heavier elements drifting through space. These are the birth and death sites of stars.
a)
Nebula
b)
Supernova remnant
c)
Stellar dust cloud
d)
Pulsar
13.
Theory which explains that the universe began as a point and has been expanding ever since.
a)
Geocentric Model
b)
Heliocentric Model
c)
Big Bang Theory
d)
Cosmology
14.

Which of the following refers to the process of producing the first atoms of hydrogen and helium?

a)

supernova nucloesynthesis

b)

big bang nucleosynthesis

c)

particle accelerator nucleosynthesis

d)

stellar nucleosynthesis

15.

Supernovas are one of the largest _______ in the Universe.

a)

events

b)

stars

c)

explosions

d)

objects

16.

The universe may have started as an extremely hot dense point known as _____.

a)

nucleosynthesis

b)

annihilation

c)

inflation

d)

singularity

17.

Who observed galaxies moving away from us?

(a)  

18.

Which of the following gases are major components of star?

a)

carbon and oxygen

b)

helium and carbon

c)

hydrogen and carbon

d)

hydrogen and helium

19.

Which is the second most abundant element in the universe?

a)

carbon

b)

helium

c)

hydrogen

d)

oxygen

20.

Helium can be formed by fusing

a)

1 proton and 1 neutron

b)

2 protons and 2 neutrons

c)

1 proton and 2 neutrons

d)

1 proton and 3 neutrons

21.

The atomic number tells us what?

a)

Number of protons

b)

Number of Neutrons

c)

Atomic Mass

d)

Number of electrons

22.

The process by which elements are created within stars by combining the protons and neutrons together

a)

Big Bang Nucleosynthesis

b)

Nuclear Fusion

c)

Nuclear Fission

d)

Stellar Nucleosynthesis

23.
Choose the correct shape for this molecule:
a)
Bent
b)
Linear
c)
Tetrahedral
d)
Trigonal pyramidal
24.
What geometry will this molecular structure have?: CCl4
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
25.
What geometry will this molecular structure have?: PH3
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
26.
Which of the following is a polar molecule?
a)
CH4
b)
Xe
c)
H2O
d)
CO2
27.
Which phrase correctly describes the distribution of charge and the molecular polarity of ethane?
a)
symmetrical and polar
b)
asymmetrical and polar
c)
asymmetrical and nonpolar
d)
symmetrical and nonpolar
28.
Which formula represents a nonpolar molecule?
a)
HBr
b)
H2S
c)
CBr4
d)
PCl3
29.
Which statement explains why ethene does not dissolve in water?
a)
Ethene is polar and water is nonpolar.
b)
Ethene is nonpolar and water is nonpolar.
c)
Ethene is polar and water is polar.
d)
Ethene is nonpolar and water is polar.
30.
A molecule containing polar covalent bonds is always polar.
a)
True
b)
False
31.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
32.
This is an example of a __________ bond.
a)
non-polar covalent
b)
polar covalent
c)
ionic
d)
metallic
33.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

34.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

35.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

36.

The greater the electronegativity, the greater the attractiveness of electrons

a)

TRUE

b)

FALSE

37.

Polar and nonpolar bonds are both types of _____

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Nonmetallic bond

38.

HBr is an example of a/an _____

a)

Ionic compound

b)

Polar compound

c)

Nonpolar compound

d)

None of the above

39.

Water

a)

Polar

b)

Nonpolar

40.

N2

a)

Polar

b)

Nonpolar

41.

From the choices, which element has the highest electronegativity?

a)

Boron

b)

Carbon

c)

Nitrogen

d)

Oxygen

42.

From the choices, which element is least electronegative?

a)

Titanium

b)

Yttrium

c)

Strontium

d)

Cesium

43.

δ+ means that an element is partially (a)  

44.

δ− means that the atom is ___

a)

Less electronegative

b)

More electronegative

45.

HF

a)

Polar

b)

Nonpolar

c)

Ionic

46.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
47.
How will the following molecule bond with itself?
a)
Dispersion
b)
Dipole
c)
Hydrogen bond
48.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
49.
Determine the type of intermolecular force present in SiO2.
a)
dipole dipole
b)
dispersion
c)
ionic
d)
covalent network
50.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
51.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
52.
No Definite Shape and No Definite Volume
a)
Gas
b)
Liquid
c)
Solid
53.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
54.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
55.
Which is the second strongest intermolecular force, after hydrogen bonding?
a)
dipole-dipole attraction
b)
London forces
56.
What information do we look for on the periodic table if we  want to examine intermolecular forces?
a)
atomic mass
b)
atomic number
c)
electronegativity
d)
ionization 
57.
The kinetic theory states
a)
Particles won't move if you don't apply energy to it.
b)
Particles only move in liquids and gases.
c)
Particles are always in motion.
d)
At the same temperature the object that has the most mass heats quicker.
58.
Which of the following factors plays an important role in the identification of specific intermolecular forces in a molecule?
a)
bond type
b)
density
c)
solubility
d)
molecular polarity
59.
Which of the following terms identifies the change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Vaporization
d)
Freezing
60.

Which one has higher melting point? CO2 or H2O

a)

CO2

b)

H2O

61.

________________________ have the strongest intermolecular forces of attraction.

a)

Dipole- Dipole

b)

Dispersion

c)

Hydrogen Bonds

62.

Intermolecular forces for: NH3

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

63.

Intermolecular forces for: CO2

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

64.

Which of the following types of bonding results in materials which have the lowest melting and boiling points?

a)

ionic bonding

b)

metallic bonding

c)

covalent bonding

65.
Which grouping lists the states of matter in order of increasing distance between particles?
a)
gas, liquid, solid
b)
liquid, solid, gas
c)
solid, gas, liquid
d)
solid, liquid, gas
66.
A gas has a no definite shape and ________.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
67.

Rain drops are spherical in shape because of

a)

Adhesion

b)

Surface Tension

c)

Viscosity

d)

External forces

68.

There are greater similarities in solids and liquids compared to gases. True or False

a)

True

b)

False

69.

Temporary but instantaneous dipoles created in nonpolar substances are referred to as...

a)

Hydrogen bonding

b)

Dipole-Dipole forces

c)

London Dispersion forces

d)

None of the above

e)

All of the above

70.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
71.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
72.
Humans get most of their energy from eating what type of food?
a)
protein
b)
carbohydrates
c)
lipids
d)
meat
73.
Why are macromolecules also known as "polymers?"
a)
They are large molecules made up of many monomers. 
b)
They are large molecules added together. 
c)
There are many types of macromolecules. 
d)
Many organisms have macromolecules.
74.
Which of the following is NOT a biological macromolecule?
a)
Water
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
75.
All biological macromolecules are organic, meaning they have ________ and hydrogen bonds.
a)
Carbon
b)
Hydrogen
c)
Nitrogen
d)
Oxygen
76.
True or False: The building blocks of macromolecules are also known as "monomers".
a)
True
b)
False
77.
What is the primary function of CARBOHYDRATES?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
78.
What is the primary function of LIPIDS?
a)
Source of energy
b)
Long term storage of energy
c)
Transmitting genetic information
d)
Cell processes and cell signaling
79.
The food in the image is full of which macromolecule?
a)
Carbohydrates
b)
Lipids
c)
Proteins
80.
True or False: A nucleotide, the building block of nucleic acids, is made up of a sugar, a phosphate, and a nitrogen base.
a)
True
b)
False
81.
True or False: Nucleic acids are found in all foods.
a)
True
b)
False
82.
Carbohydrates are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
83.
Lipids are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
84.
Proteins are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
85.
Nucleic acids are composed of which elements?
a)
C , H , O
b)
C , H , O , N
c)
C , H , O , N , P
d)
C , H , O , S
86.
Why are the four biological macromolecules essential for life?
a)
They all provide an organism with oxygen.
b)
They do many important jobs to keep an organism functioning.
c)
They provide an organism with food.
d)
They are all broken down for energy.
87.
Proteins are made of monomers called ___________.
a)
Nucleotides
b)
Monosaccharides
c)
Amino acids
d)
Glycerol and fatty acids
88.
The elements, ____________________, are found in all of the organic compounds.
a)
Carbon, Hydrogen and Oxygen
b)
Carbon, Hydrogen, Oxygen, and Nitrogen
c)
Carbon and Oxygen
d)
Carbon, Hydrogen, and Nitrogen
89.
DNA and RNA are examples of ___________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
90.
Waxes, oils and fats are examples of ___________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
91.
Which type of biological macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
92.
What is the function of nucleic acids?
a)
Store and transmit genetic information
b)
Store energy (long-term)
c)
Store energy (short-term)
d)
Build skin, hair, nails, and muscles
93.
Examples of which biological macromolecule include glucose, fructose, starch, and glycogen?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
94.
Which macromolecule is made up of a glycerol and fatty acids?
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
95.
What does POLY- mean?
a)
Two
b)
A name for a parrot
c)
Many
d)
One
96.
What are the four types of biological macromolecules?
a)
carbohydrates, nucleotides, lipids, amino acids
b)
carbohydrates, lipids, nucleic acids, proteins
c)
nucleic acids, monosaccharides, proteins, lipids
d)
carbohydrates, amino acids, water, proteins
97.
What are the monomers (building blocks) of CARBOHYDRATES?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Glycerol and fatty acids
98.
What are the monomers (building blocks) of NUCLEIC ACIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Glycerol and fatty acids
99.
Why are macromolecules also known as "polymers?"
a)
 Many organisms have macromolecules.
b)
They are large molecules added together. 
c)
There are many types of macromolecules. 
d)
They are large molecules made up of many monomers.
100.

Which of the structures below shows a nucleic acid?

a)
b)
c)
d)

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