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Fall Final Review #1
Test Description: Review questions for the fall Final.
Instructions: Answer all questions to get your test result.
1) If you are doing an experiement, and your teacher instructs you to pour the remaining chemicals down the drain, what an you assume?
A
Your teacher doesn't care about the environment or the water supply
B
The chemicals are probably not harmful because they have been diluted
C
The water treatment plant will remove the chemicals
D
The chemicals will not harm the environment or water supply
2) What is the first step in the Scientific method?
A
Follow the procedure
B
Ask a Question
C
Draw Conclusions
D
Form a Hypothesis
3) What is a limitation to the Bohr Model?
A
It shows protons in energy levels
B
Not all electrons have pairs
C
It shows electrons in fixed places and doesn't show their movement
D
The electrons are not in a cloud
4) How many atoms of Hydrogen are found in this molecule? H6O2
A
2
B
6
C
3
D
5
5) In a chemical change-
A
ice melts.
B
the product can be turned back to its original state
C
More atoms are created
D
A new substance with different properties is produced
6) Describe the motion of a balanced force.
A
No motion occurs, the net force is 0.
B
Motion will move in the direction of the strong force.
C
Motion will move in the direction of the combined force.
D
Motion will move in the direction of the weak force.
7) An atom has 8 protons, what element is it?
A
Carbon
B
Neon
C
Nitrogen
D
Oxygen
8) In the chemical formula for glucose C6H12O6 which element(s) have the least amount of atoms?
A
Hydrogen
B
Carbon and Oxygen
C
Carbon
D
Oxygen
9) What is the independent variable in an experiment?
A
The variable that is measured
B
The variable that stays the same
C
The variable that is changed on purpose
D
The variable used to compare
10) How much force is needed to stop a car moving with 600 N to the North?
A
500 N North
B
600 N South
C
600 N West
D
600 N East
11) What are the 3 sub-atomic particles that make up an atom?
A
Neutrons, photons, and cells
B
Elements, compounds, and mixtures
C
Protons, nucleus, and electrons
D
Protons, neutrons, and electrons.
12) Which sub-atomic particles determines an atoms charge?
A
Nucleus
B
Proton and Neutrons
C
Neutron and Electons
D
Electron and Protons
13) Empty space describes an atom's --
A
Length
B
Area
C
Mass
D
Volume
14) What instrument is used to measure Force due to gravity?
A
Balance
B
Spring Scale
C
Meter Stick
D
Barometer
15) Who is credited with bein the father of the periodic table?
A
Roger Bacon
B
Dmitri Meldeleev
C
Isaac Newton
D
John Dalton
16) The nucleus is--
A
where electrons are stored
B
what makes chemical reactions occur
C
part of a compound
D
The center core of an atom
17) How do you calculate an atom's atomic mass?
A
Electrons+ Protons
B
Protons + Neutrons
C
Electrons + Neutrons
18) A nail rusting is an example of--
A
A physical change
B
An exothermic reaction
C
Newton's 1st Law
D
A chemical change
19) Where are protons located?
A
In the Nucleus
B
in the energy levels
C
On the periodic table
20) Action force equals the reaction force describes with law?
A
Newton's 3rd Law
B
Newton's 2nd Law
C
Newton's 1st Law
*select an answer for all questions
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