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WorksheetsScience Exam
Total questions: 55
Worksheet time: 32mins
Name
Class
Date
1.
A kilogram of feathers and a kilogram of bricks have the same ____.
a)
volume
b)
density
c)
viscosity
d)
mass
2.
Atoms that are positively and negatively charged
a)
ion
b)
isotope
c)
electron
d)
neutron
3.
A property that describes the relationship between mass and volume
a)
volume
b)
density
c)
viscosity
d)
matter
4.
A metric ruler, graduated cylinder, and beaker are all tools that can be used to find _______.
a)
volume
b)
mass
c)
density
d)
viscosity
5.
Anything that has mass and takes up space
a)
ion
b)
isotope
c)
atom
d)
matter
6.
Substances that are formed as a result of a chemical reaction
a)
reactants
b)
products
7.
A measure of a material's tendency to shatter upon impact
a)
hardness
b)
tensile strength
c)
malleability
d)
Brittleness
8.
Atoms with the same atomic number but different atomic mass are called:
a)
ion
b)
isotope
c)
atom
d)
electron
9.
when an atom gains or loses an electron, it has an electrical charge. It is known as:
a)
isotope
b)
atom
c)
proton
d)
ion
10.
State of matter that is most commonly found in the universe
a)
Plasma
b)
solid
c)
gas
d)
liquid
11.
The change of state that occurs when a liquid changes to a gas
a)
Fusion
b)
Condensation
c)
Evaporation
d)
Sublimation
12.
This scientist published a detailed atomic theory in 1808 based on evidence he gathered through experiments with gases. His atomic theory laid the groundwork for later atomic models.
a)
Democritus
b)
J.J Thomson
c)
John Dalton
d)
Ernest Rutherford
13.
The electrons involved in chemical bonding
a)
Outer electrons
b)
Valence electrons
c)
Inner electrons
d)
Positive electrons
14.
This scientist led a series of experiments that used high speed lightweight atoms called alpha particles to bombard very thin pieces of gold foil. Some of the alpha particles went straight through the foil, but a few alpha particles bounced back. The scientist used this information to hypothesize that an atom is made of a tiny dense nucleus surrounded by a region of mostly empty space.
a)
democritus
b)
Ernest Rutherford
c)
J.J Thomson
d)
Archimedes
15.
A measure of a materials resistance to flow.
a)
Viscosity
b)
density
c)
Buoyancy
d)
Malleability
16.
A measure of the upward force a fluid exerts on an object
a)
Density
b)
Viscosity
c)
Malleability
d)
Buoyancy
17.
Symbolized by dots in a lewis dot diagram.
a)
Protons
b)
Neutrons
c)
Electrons
18.
Occurs when bonds are broken or reformed to make a new substance or substances.
a)
Ionic bond
b)
Covalent bond
c)
Physical change
d)
Chemical Change
19.
The term for the quantity of matter present
a)
mass
b)
density
c)
volume
d)
force
20.
A substance made of two or more elements that cannot be separated by physical means
a)
Element
b)
Heterogenous Mixture
c)
Homogenous Mixture
d)
Compound
21.
When compared to a ___ viscosity liquid, a liquid with a ____ viscosity is easier to pour.
a)
low; high
b)
high; low
22.
A solid's ability to be pounded into thin sheets
a)
Brittleness
b)
Hardness
c)
Malleability
d)
Elasticity
23.
A measure of a solid's resistance to scratching
a)
Brittleness
b)
Hardness
c)
Malleability
d)
Tensile Strength
24.
A substance that contains only one kind of matter.
a)
Element
b)
Heterogenous Mixture
c)
Homogenous Mixture
d)
Compound
25.
_____ is formed when liquid is in a tube.
a)
Density
b)
Meniscus
c)
Volume
d)
Mass
26.
Rutherford discovered that _______ is made up of mostly empty space.
a)
ion
b)
electron
c)
atom
d)
ice cube
27.
Any matter that is able to flow
a)
ion
b)
atom
c)
isotope
d)
fluid
28.
Elements in the same ______ on the periodic table have similar chemical reactivity because they have the same number of valence shell electrons
a)
column
b)
row
29.
An Electron carries a ___ charge and has almost no mass.
a)
Positive
b)
Negative
c)
Neutral
30.
A measure of a material's resistance to flow
a)
Viscosity
b)
density
c)
malleability
d)
Elasticity
31.
Cellulose and Synthetic Plastics are examples of
a)
ions
b)
isotopes
c)
polymers
d)
molecules
32.
what is made of more than one kind of element, cannot be separated by physical means, and is classified as a substance?
a)
Element
b)
Heterogenous Mixture
c)
Homogenous Mixture
d)
Compound
33.
The number of electrons that are lost, gained, or shared when bonding occurs
a)
Valence Electrons
b)
oxidation number
c)
Mass number
d)
atomic number
34.
An atom contains ____ in various energy levels.
a)
protons
b)
neutrons
c)
electrons
35.
Atoms of a particular element that have different numbers of neutrons are called:
a)
Molecules
b)
Compunds
c)
ions
d)
Isotopes
36.
The ratio of Mass/volume
a)
density
b)
Matter
c)
Viscosity
d)
Malleability
37.
most atoms need eight valence electrons to be stable
a)
Archimedes Principle
b)
Octet rule
c)
Law of conservation of Matter
d)
Valence Electron rule
38.
The change of state that occurs when a gas changes to a liquid
a)
Sublimation
b)
Evaporation
c)
Condensation
d)
Fusion
39.
The law of conservation of _____ states that the total mass of the products is equal to the total mass of the reactants
a)
Chemical Equations
b)
Matter
c)
Atoms
40.
A bond between atoms in which electrons are shared
a)
ionic bond
b)
Metallic bond
c)
Covalent bond
41.
A measure of how much pulling, or tension, a material can withstand before breaking is
a)
Brittleness
b)
Hardess
c)
Elasticity
d)
Tensile Strength
42.
The smallest particle of a compound that retains the properties of the compound
a)
Molecule
b)
Atom
43.
_______ _________ may be lost or gained by an atom when bonding occurs with another atom.
a)
Protons
b)
Valence Electrons
c)
Neutrons
d)
Energy Levels
44.
Substances made up of two or more elements that cannot be seperated by physical means
a)
element
b)
Heterogenous Mixture
c)
Homogenous Mixture
d)
compound
45.
The buoyant force acting on an object is equal to the weight of the fluid displaced by the object. This is the ______ principle.
a)
Buoyancy
b)
Democritus
c)
Archimedes
d)
Rutherford
46.
Substances that change in a chemical reaction
a)
constant
b)
reactants
c)
products
d)
yields
47.
A bond between atoms in which electrons are lost or gained
a)
Ionic Bond
b)
Metallic Bond
c)
Covalent bond
48.
Melting ice is an example of this
a)
Change of Size
b)
Change of Shape
c)
Chemical Change
d)
Change of State
49.
British Physicist Joseph John Thomson was the first to identify the
a)
proton
b)
electron
c)
neutron
50.
The location of electrons around the nucleus of an atom
a)
Valence Electrons
b)
Outer Level
c)
Octet rule
d)
Energy Levels
51.
The measure of a solid's ability to be and then return to it's original size
a)
Elasticity
b)
Malleability
c)
brittleness
d)
tensile strength
52.
The ____, such as helium and xenon, are non reactive because they have completely filled outer electron shells
a)
Boron Family
b)
Halogens
c)
Noble Gases
d)
Alkali Metals
53.
The _____ is one kind of particle that makes up the atom and carries a positive charge.
a)
Proton
b)
Electron
c)
Neutron
54.
Solids retain their shape and size, if kept at a constant temperature and pressure. At a constant temperature and pressure, Liquids retain their
a)
shape
b)
volume
c)
area
d)
size
55.
Atoms and Molecules are the "building blocks" of what?
a)
the universe
b)
Earth
c)
Life
d)
Matter
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