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WorksheetsGrade 9 Chemistry - Finals Practice
Total questions: 40
Worksheet time: 25mins
Which of the following is a compound
Ne
Ca
Cl
Ca2CO3
The periodic table has how many groups and periods
19 groups and 8 period
18 groups and 7 periods
8 periods and 18 groups
9 periods and 18 groups
Which of the following is not in the same period as Chlorine (Cl)
Sulphur (S)
Sodium (Na)
Fluorine (F)
Argon (Ar)
Which of the following elements is in the same group as Sodium (Na)
Lithium (Li)
Beryllium (Be)
Magnesium (Mg)
Silicon (Si)
A mixture of Sugar and water can be separated using which of the following separation techniques
Filtration
Distillation
Decantation
Sorting
Pepsi is an example of a __________ mixture
homogeneous
heterogeneous
A heterogeneous mixture has how many phases
1
2
2 or more
which of the following is not an example of a substances
Element
Compound
Mixture
On a periodic table, all the elements in the same period are in the same _____________
horizontal row
vertical column
Elements in the same ____________ share the same physical and chemical properties
Group
Period
Distillation uses which physical property to separate mixture
Colour
Size
Melting point
Boiling point
Color is what type of property?
Physical
Chemical
The amount of space an object takes up.
Volume
Density
Mixture
Mass
Which of the following changes is a physical change of matter?
water evaporating
paper burning
a nail rusting
a silver spoon tarnishing
The particles in a gas are...
loose and have high energy
tightly packed and have very little energy
move freely and have lots of energy
I dont know Ms. Turner, I didnt take notes
What kind of physical property is this? Number of Atoms
intensive
extensive
What kind of physical property is this? Density
intensive
extensive
What kind of physical property is this? Hardness
intensive
extensive
What kind of physical property is this? Volume
intensive
extensive
____ have a definite volume and molecules that are spread out and can move past one another.
solids
liquids
gases
plasma
According to the periodic table, Oxygen is in group _____ and period _____
6A; 2
2; 6A
5; 8A
7A; 2
Which of the following elements will have the same properties as Chlorine (Cl)
Magnesium (Mg)
Fluorine (F)
Sodium (Na)
Nitrogen (N)
You are conducting a science project titled "What kind of liquid will cause plant growth", in your experiments the independent variable will be
Kinds of liquids
Plant growth
You are conducting a science project titled "What kind of liquid will cause plant growth", in your experiments the dependent variable will be
Kinds of Liquid
Plant growth
The first step in the scientific methodology is
Observation
Laws
Theory
Hypothesis
A homogenous mixture has _____________ composition
Definite
2 or more phases
According to the periodic table, the element Fluorine (F) belongs to group_____ and period _____
7A ; 2
2; 7A
6A; 6
2A; 2
Which of the following elements will have the same chemical and physical properties as Chlorine.
Fluorine
Magnesium
K - Potassium
Ca - Calcium
The variable that you measure is the -
Independent Variable
Dependent Variable
Controlled Variable
Repeated Trial
Another name for the independent variable is the ________
manipulated variable
responding variable
A theory is a ____.
proposed explanation for an observation
well-tested explanation for a broad set of observations
summary of the results of many observations
procedure used to test a proposed explanation
What is an observation?
Something you measure or detect with your senses.
The way you feel about something
An educated guess
A theory that has been disproved
What is the scientific method?
A systematic procedure for how to conduct a scientific experiment
The process of solving a problem
A way of making non-scientific observations
A way to summarize findings from multiple investigations
