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WorksheetsQuarter 1 Review
Total questions: 74
Worksheet time: 1hrs 14mins
What cannot be broken down into other substances?
Compound
Solids
Mixture
Element
What is made up two or more elements that are chemically combined?
Element
Compound
Mixture
Solids
How many elements are represented in the compound?
Na2CO3
1
2
3
4
An element is made up of only one kind of _____.
isotope
atom
plastic
metal
This picture represents which of the following?
element
mixture of elements
compound
mixture of compounds
This picture represents which of the following?
element
mixture
compound
Which example is a compound?
N2
Cu
O2
H2O2
What kind of pure substance forms when two elements chemically combine?
an element
a mixture
a compound
a solution
Which of the following represents an element?
H2O
NaCl
H2
CaCO3
Represented by an unique chemical symbol
Elements
Compounds
Both
Located on the Periodic Table
Elements
Compounds
Both
Scrambling eggs is an example of
A physical change
A chemical change
Solution
Tearing paper into small pieces is an example of a
Mixture
Physical change
Chemical change
Which change creates a NEW substance?
Physical change
Chemical Change
Heating a solid until it changes color and produces an odor, and noting the solid cannot be changed back is an example of
Physical Change
Chemical Change
A _____________________ is a change that affects one or more physical properties of a substance.
feature
physical change
chemical change
variable
A __________________ occurs when one or more substances change into entirely new substances with different properties.
physical change
chemical change
characteristic change
variable
Which of the following signs show that a chemical change has taken place?
production of a gas
production of an odor
change in energy
all of these
Metal
Nonmetal
Metalloid
Metal
Nonmetal
Metalloid
Metal
Nonmetal
Metalloid
Elements in the shaded area can best be described as -
Malleable
Brittle
Dull
Insulators
Elements in the shaded area can best be described as -
Shiny and brittle
Insulators
Good conductors
Fill in the blank: Nonmetals have a ___________ surface, and they do not conduct heat or electricity.
electricity
dull
changed
luster
metals
Which elements are shiny?
metals only
nonmetals only
metals and nonmetals
metals and MAYBE metalloids
ductile means...
can be made into wire
can be bent or hammered
can light up a light bulb
it's shiny
Substances that can be hammered into thin sheets are:
metals
nonmetals
both metals and nonmetals
As part of a classifying elements lab Joe was finding the density of different samples. One sample had a mass of 26.4 and a volume of 12 mL. What element is it?
Sulfur
Carbon
Boron
Krypton
Calculate the density of the object below if it has a mass of 3g. (Hint: you need to find the volume.)
60 g/cm3
3 g/cm3
20 g/cm3
0.05 g/cm3
#13 Show all your work on your answer document. D=m/v
1 g/cm3
0.875 g/cm3
4 g/cm3
16 g/cm3
What is the volume of the ring?
64
60
4
A measure of the ability of a mineral to resist scratching
hardness
luster
streak
The scale that measures the hardness of a mineral
Linear scale
bathroom scale
Moh's scale
Which of the following minerals has a metallic luster, a black streak, and could scratch Gold?
Magnetite
Graphite
Galena
Hematite
Which mineral could Quartz not scratch?
Corundum
Talc
Feldspar
Calcite
Which of the following minerals can Apatite scratch? Select all that apply.
Gypsum
Fluorite
Calcite
Diamond
If an unknown mineral scratches fluorite, it is harder than —
Gypsum
Feldspar
Diamond
Topaz
The Mohs scale of hardness serves as a basis for a mineral’s ability to be —
Burned
Scratched
Broken
Frozen
If a mineral is harder than gypsum, softer than topaz, and has a hardness greater than 4 but less
than 7, it would most likely belong in —
Box A
Box B
Box C
Quartz can be scratched by window glass but not a steel file. Which of the following can be scratched by Quartz?
Topaz
Orthoclase
Diamond
Which mineral is HARDER than quartz?
Topaz, Corundum, and Diamond
Feldspar. Apatite, and Talc
Talc, Gypsum, Topaz
Diamond, Calcite, Fluorite
