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WorksheetsChemistry
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Aluminum is an element. Which of the following best describes the smallest particle of aluminum that retains all the properties of aluminum?
a)
a molecule
b)
an atom
c)
a proton
d)
an electron
2.
When water changes from a liquid to a gas and then the steam condenses back to liquid form, these types of changes are...
a)
physical
b)
chemical
c)
electrical
d)
mechanical
3.
The teacher heats a pot of water. Once the water reaches 100 degrees Celsius, which point has the water reached?
a)
boiling point
b)
melting point
c)
freezing point
d)
evaporating point
4.
The distance between atoms is often affected by temperature. The diagram shows water at three different temperatures.
Which order of the diagrams indicates DECREASING distance between atoms?
Which order of the diagrams indicates DECREASING distance between atoms?
a)
1, 2, 3
b)
2, 3, 1
c)
3, 2, 1,
d)
1, 3, 2
5.
Appearance, texture, and density are classified as
a)
physical properties
b)
chemical properties
c)
magnetic properties
d)
thermal properties
6.
Mario pours three different liquids into a beaker. He notices the layers settle at different depths in the beaker.
Based on the picture, which property of the liquids is Mario most likely studying?
Based on the picture, which property of the liquids is Mario most likely studying?
a)
density
b)
length
c)
mass
d)
volume
7.
A student places a pan of water on the stove. What happens to some of the water as it begins to boil?
a)
it becomes a gas
b)
it becomes a solid
c)
it gets new atomic bonds
d)
it gets destroyed
8.
Which difference between water and ice results in ice floating on cold water?
a)
heat
b)
shape
c)
density
d)
volume
9.
A student is pouring equal amounts of water, maple syrup, and cooking oil into a glass beaker and looking at how the layers settle. Which property of the liquids is the student most likely comparing?
a)
density
b)
mass
c)
temperature
d)
volume
10.
In what way are atoms of oxygen most different from atoms of nitrogen?
a)
they have different temperatures
b)
they have different states of matter
c)
they have different masses
d)
they have different colors
11.
The melting point of a solid is 24.9 degrees Celsius. As heat is added to melt the solid, what happens to the particles?
a)
the motion of the particles increases
b)
the motion of the particles deceases
c)
the particles stay the same
d)
the particles move closer together
12.
A examples of a physical property of matter that can be observed without changing the identity of the matter is
a)
flammability
b)
reactivity
c)
solubility
d)
ability to rust
13.
A substance that is made of only one type of atom
a)
atom
b)
element
c)
solute
d)
periodic table
14.
Can be observed without changing the identity of the matter
a)
physical property
b)
chemical property
c)
reactive property
d)
thermal property
15.
The ability to dissolve into, or become part of, another substance
a)
solubility
b)
solvent
c)
solute
d)
solution
16.
States that matter is composed of many small particles that are always in motion
a)
Kinetic Theory of Matter
b)
Elements
c)
Law of Conservation of Mass
d)
Uniformitarianism
17.
The substance that is dissolved in a solution
a)
Solute
b)
Solvent
c)
Solution
d)
Solubility
18.
The temperature at which a liquid changes into a gas
a)
boiling point
b)
melting point
c)
freezing point
d)
evaporation point
19.
The liquid that dissolves another substance in a solution.
a)
Solute
b)
Solvent
c)
Solution
d)
Solubility
20.
The smallest piece of matter that has the properties of that matter
a)
atom
b)
element
c)
periodic table
d)
proton
21.
Molecules in this state of matter move very fast and are far apart
a)
solid
b)
liquid
c)
gas
22.
Molecules in this state of matter move fast and slide past each other
a)
solid
b)
liquid
c)
gas
23.
Molecules in this state of matter move slowly and vibrate near each other
a)
solid
b)
liquid
c)
gas
24.
This state of matter has a definite volume and definite shape
a)
solid
b)
liquid
c)
gas
25.
This state of matter has a definite volume, but not a definite shape
a)
solid
b)
liquid
c)
gas
26.
This state of matter does not have a definite volume or shape
a)
solid
b)
liquid
c)
gas
27.
A student has two pieces of aluminum foil. Each piece can be folded and rolled into a wire. Why do both pieces of aluminum foil behave the same way?
a)
They are composed of the same types of atoms.
b)
They are composed of different types of atoms.
c)
They have the same physical properties, but different chemical properties.
d)
They have the same chemical properties, but different physical properties.
28.
Which describes a property of all elements?
a)
All elements are metals.
b)
All elements have six electrons.
c)
All elements are pure substances.
d)
All elements exist in the solid phase.
29.
Two samples of gold must have the same
a)
length
b)
volume
c)
mass
d)
density
30.
What is the smallest part of a gold ring that is still gold?
a)
an atom
b)
an electron
c)
a molecule
d)
a compound
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