WorksheetsMatter
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The smallest bit of matter that is pure and can't be broken down into any other smaller substance by physical or chemical means.
a)
particle
b)
compound
c)
element
d)
atom
2.
A(n) ________ is the single smallest particle of an element that retains the chemical identity of that element.
a)
atom
b)
element
c)
compound
d)
particle
3.
Greek philosophers known for stating that matter is made of tiny particles called atoms.
a)
Rutherford and Bohr
b)
Aristotle and Brown
c)
Dalton and Lavoisier
d)
Democritus and Leucippus
4.
Matter is classified into two main groups known as_______.
a)
solids and fluids
b)
pure substances and mixtures
c)
homogeneous and heterogeneous
d)
elements and compounds
5.
Pure substances are classified into two groups known as_______________.
a)
elements and mixtures
b)
elements and compounds
c)
heterogeneous and homogeneous
d)
atoms and elements
6.
Mixtures are classified into two groups known as_______________.
a)
elements and mixtures
b)
elements and compounds
c)
heterogeneous and homogeneous
d)
atoms and elements
7.
A molecule is a covalent chemically combined substance of ______ or more elements.
a)
three
b)
four
c)
two
d)
one
8.
Fluids are.....
a)
liquids
b)
solids
c)
gases
d)
liquids and gases
9.
Scientist known to contribute to the idea that atoms existed and demonstrated jerky motion.
a)
Democritus
b)
Robert Brown
c)
Leucippus
d)
Aristotle
10.
What is matter?
a)
Anything that has substance and takes up space.
b)
Stuff
c)
Has mass
d)
fluids and solids
11.
Temperature is a measure of the average ______ energy of the particles in the object.
a)
thermal
b)
kinetic
c)
potential
d)
chemical
12.
The heavier a particle, the ____ it moves.
a)
slower
b)
faster
c)
less
d)
more
13.
What determines the speed of the atoms and molecules of a particular substance?
a)
size of the atoms and molecules
b)
temperature of the substance
c)
A and B
d)
None of the above
14.
Which state of matter will hold its shape without a container?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
15.
The kinetic theory states that the higher the temperature, the faster the
a)
particles that make up a substance move
b)
bonds between atoms break down
c)
molecules of gas rush together
d)
lighter particles within a substance clump together
16.
The change of a substance from a solid directly to a gas is called
a)
condensation
b)
evaporation
c)
melting
d)
sublimation
17.
Evaporation refers to the change of state from a
a)
liquid to a gas
b)
gas to a liquid
c)
solid to a liquid
d)
liquid to a solid
18.
The law of conservation of mass states that mass cannot be
a)
burned
b)
changed in form
c)
created or destroyed
d)
heated or cooled
19.
All matter is made of atoms and molecules that are
a)
always fixed in position
b)
always in motion
c)
moving in the same direction
d)
moving slowly
20.
The temperature at which a substance changes from a liquid to a solid is the
a)
freezing point
b)
saturation point
c)
boiling point
d)
condensation point
21.
When ice melts to form liquid, energy is
a)
created
b)
destroyed
c)
released
d)
absorbed
22.
The process of a liquid becoming a solid is called
a)
condensation
b)
freezing
c)
melting
d)
evaporation
23.
Which state of matter has a definite volume, but not a definite shape?
a)
plasma
b)
gas
c)
liquid
d)
solid
24.
Unlike a gas, a plasma
a)
has no mass
b)
has no definite shape
c)
has no definite volume
d)
conducts electric current because it is charged
25.
A gas becomes a liquid through a process called
a)
melting
b)
freeing
c)
evaporation
d)
condensation
100 %
