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Worksheets6th grade 1st 9 weeks review
Total questions: 72
Worksheet time: 1hrs 26mins
The chemical symbol O represents?
The compound - Osmium
The compound - Oxygen
The element - Oxygen
The element - Osmium
Fe3O4
C13H9N
In the diagrams, each different colored circle is a different element. Which diagram represents a compound?
I
II
III
IV
In the diagrams, each different colored circle is a different element. Which diagram represents two different elements?
I
II
III
IV
Dissolving salt is a
Chemical change
Physical change
The glow stick lighting up is a __________
Chemical change
Physical change
Color change, formation of a precipitate, formation of a gas, odor change and temperature change are all signs of a ...
Physical Change
Chemical Change
When you combine vinegar and baking soda, a gas is produced. The gas produced is considered evidence that a chemical reaction occurred.
True
False
This is an evidence that a chemical reaction has occurred.
dissolving
melting
formation of a gas
bending
In a ___________change, a substance now looks different but isn't new.
Physical
Chemical
Which of these is NOT a sign that a chemical change has occurred?
Being broken down into small pieces
An increase in temperature
Bubbles forming when combining 2 liquids
Light being produced
Which of the following 2 are chemical reactions?
sugar dissolving in water
water turning into steam
burning wood
mixing baking soda and vinegar
tearing paper
The word “Malleability” refers to which property of matter?
The ability to allow electrical or thermal energy to pass through
Capable of being pulled out into thin wires
The way a surface appears when it reflects light
Able to be shaped by beating or rolling without breaking
The word “Conductivity” refers to which property of matter?
The ability to allow electrical or thermal energy to pass through
Capable of being pulled out into thin wires
The way a surface appears when it reflects light
Able to be shaped by beating or rolling without breaking
Good conductors of heat are
Metals
Nonmetals
Metalloids
Insulators
A student tested the conductivity of four elements by putting them though an electrical circuit. Based on the results, which element is classified as a metal?
Hydrogen
Arsenic
Krypton
Copper
Where are the non-metal elements found in the periodic table?
In the staircase
In the top rows
On the left side of the staircase
On the right side of the staircase
Where are the metal elements found in the periodic table?
In the staircase
In the top rows
On the left side of the staircase
On the right side of the staircase
Where are the metalloid elements found in the periodic table?
On the left side of the staircase
In the staircase
In the top rows
On the right side of the staircase
If an object has a density of 0.6 g/mL and you put it into water, will it sink or float? (The density of water is 1.0g/mL)
sink
float
What is the formula for Volume?
Volume = mass / density
Volume = mass x density
Volume = density / mass
Volume = density - mass
If the initial volume of a graduated cylinder with water is 15mL and it rises to 46mL after adding in a toy car, what is the volume of the toy car?
61mL
31mL
3.07mL
0.33mL
What is the formula for Mass?
Mass = Density / volume
Mass = Volume / Density
Mass = Density - Volume
Mass = Density x Volume
There are 24 cm3 Find the total mass.
303.4 g
370.4 g
373.0 g
373.4 g
What is the mass of an object that has a density of 2.5 g/cm3 and a volume of 10.0 cm3?
0.25g
25 g
4g
12.5g
Diamond has a hardness of ___ on Mohs Hardness Scale which means it is the _____ mineral.
1, softest
1, hardest
10, softest
10, hardest
A substance that cannot be broken down into simpler substances by chemical means
Compound
mineral
element
A substance made of two or more different atoms that are chemically bonded
element
compound
streak
The _______________________ of a mineral can be metallic or nonmetallic.
luster
color
streak
hardness
Using this scale, what is scratched by fluorite?
Diamond
Gypsum
Apatite
Steel nail
