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WorksheetsPhysical Science Spring benchmark Review
Total questions: 64
Worksheet time: 2hrs 53mins
What type of reaction involves the breaking down of a substance into simpler substances?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
What type of reaction involves 2 substances combining to form 1 new compound?
Decomposition Reaction
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
What are the reactants in the chemical equation pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
What are the products of the chemical reaction pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
The reactants are on the left side of the chemical equation.
True
False
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2O
Decomposition
Combustion
Synthesis
Single Replacement
What type of chemical reaction is this one?
CUO + CO2 --> CuCO3
Decomposition
Combustion
Synthesis
Single Replacement
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
Decomposition
Combustion
Synthesis
Single Replacement
The right side of the equation below is called the
products
reactants
What type of chemical reaction is this one?
C2H2 + O2 --> CO2 + H2O
Decomposition
Combustion
Synthesis
Single Replacement
HNO₃ + NaOH → NaNO₃ + H₂O
Neutralization/acid base
Single Replacement
Combustion
Double Replacement
2Na +S → Na2S
Double Replacement
Decomposition
Combustion
Synthesis
_CH4 + _O2 --> _CO2 + _H2O
_Al +_HCl --> _H2 +_AlCl3
_SnO2 +_H2-->_Sn +_H2O
A substance is found to have the following characteristics:
Very bitter taste
Feels slippery to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
enzyme
fatty acid
HF is...
an acid
a base
a salt
an ionic compound
HNO2
a base
a salt
an acid
an ionic compound
KOH is ...
an acid
a base
a salt
an ionic compound
The pH of a solution is 2.0. What is the [OH-] concentration?
1x10-12M
12 M
1x10-2M
2 M
What is the pH of a solution where the [H+] is 1.0 x 10-11?
11
13
14
1
What is the pOH of a 1 x 10-8 M solution of HNO3?
8
6
7
9
What is the [H+] if the pH is 4.0?
1.0 x 10-10 M
1.0 x 10-4 M
1.0 x 10-14 M
1.0 x 10-7 M
What is a titration?
when the moles of hydrogen ions is equal to the moles of hydroxide ions
adding a known amount of solution of known concentration to determine the concentration of an unknown
reaction in which an acid and a base react in an aqueous solution to produce a salt and water
the extent of ionization of an acid or base
Phenolophalein turns from clear to pink when the pH turns
acidic
basic
saline
ionic
What completely ionizes in solution?
Weak acids
Strong acids
Strong Salts
Neutral salts
Which runner stopped for a rest?
Albert
Bob
Charlie
None of them stopped
0-2 seconds using the distance vs. time graph.
An object in motion tends to stay in motion and an object at rest tends to stay at rest until acted on by an unbalanced force is which of Newton's laws?
1st
2nd
3rd
4th
The acceleration of an object is dependent upon the net force acting upon the object and the mass of the object is which of Newton's laws?
1st
2nd
3rd
4th
For every action there is an equal and opposite reaction is which of Newton's laws?
1st
2nd
3rd
4th
What is defined a push or pull?
force
net force
an unbalanced force
a balanced force
What is the term for when two forces are acting in opposite directions on an object and are equal in size and the object stays still
net force
balanced force
accelerated force
unbalanced force
Forces that cause a change in motion of an object are called
balanced forces
net forces
motion forces
unbalanced forces
Calculate the net force
5
10
15
0
Calculate the net force
20
10
0
30
Calculate the net force
25
65
20
15
What is the net force?
400
800
200
600
If you are pushing a 1200 kg car with an acceleration of 0.5 m/s2 , what is the force you have applied to the car?
600
2400
4.16
60
calculate the force applied to a 5 kg shopping cart if it accelerates at 3 m/s2
15
1.67
0.6
1.57
If you INCREASE the force applied to a 50 kg crate, what happens to the ACCELERATION of the crate
acceleration increases
acceleration decreases
force increases
this cannot be determined
If you have a 500 kg motorcycle and you INCREASE the acceleration for 20 m/s2 to 40 m/s2, describe how you had to change the force applied to the motorcycle
had to increase the force
had to decrease the force
had to increase the acceleration
had to decrease the acceleration
the sum of all forces acting on an object is called the
net force
balanced force
motion force
accelerated force
The box exerts a downward force on the table, and the table exerts an equal and opposite upward force on the box.
Which best describes the net force acting on the box while the box remains at rest on the table
balanced
unbalanced
motionless
activated
Based on Newton's 2nd Law of Motion, which statement is true about the acceleration of wagon A and wagon B if both are being pulled with the same external force
wagon A will have a greater acceleration than wagon B
wagon B will have a greater acceleration than wagon A
wagon A and B will have the same accelerations
the wagons will both have and acceleration of zero
What can be said of friction?
it works against you as you are trying to move an object
it works with you as you are trying to move an object
it lifts up an object as you are trying to move it
it is never noticeable as you try to move an object
Based on Newton's 2nd Law of Motion, which statement is true about the force of the wagon with the kids if the mass of kids is identical but wagon A is moving TWICE the speed because it has more people pushing than that of wagon B
wagon A will have a greater force
wagon B will have a greater force
the force will be the same for both wagons
the force will be zero for both wagons
