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