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ALPHA Year Long Milestones Review

Total questions: 85

Worksheet time: 2hrs 30mins

Name
Class
Date
1.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
2.

What is correct charge for selenium?

a)

Se-2

b)

Se+2

c)

Se-3

d)

Se+3

3.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
4.

What does the nucleus of an atom contain?

a)

Electrons and neutrons

b)

Protons and neutrons

c)

Neutrinos and positrons

d)

Protons and electrons

5.

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

6.

Find the element that has 5 valence electrons and 4 energy levels.

a)

Arsenic - As

b)

Selenium - Se

c)

Calcium - Ca

d)

Vanadium - V

7.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
8.

Which section is the least reactive?

a)

yellow

b)

red

c)

dark blue

d)

orange

9.
What is the neutron's role in the nucleus?
a)
To counteract the repulsive forces between the protons.
b)
To counteract the repulsive force between electrons.
c)
To increase the mass of the atom, allowing it to react properly with other elements.
d)
To determine the type of element the atom is.
10.
___________ is the only metal that is a liquid at room temperature.
a)
Platinum
b)
Water
c)
Tin
d)
Mercury
11.
Which of these is covalent?
a)
NaCl
b)
Pb(NO3)2
c)
CO2
d)
AlCl3
12.
What is the ionic compound formed between Ba and P?
a)
Ba2P3
b)
Ba3P2
c)
BaP
d)
Ba2P2
13.
Give the formula for oxygen dichloride
a)
OCl2
b)

O2Cl2

c)
OCl
d)
O2Cl
14.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
15.
Which is the most important characteristic in determining an element's chemical properties?
a)
the number of protons and neutrons in its nucleus
b)
which period it is found in
c)
the number of valence electrons it contains
d)
its outermost energy level
16.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
17.
In a synthesis reaction
a)
A compound breaks apart into two or more compounds
b)
Two compounds make one single product
c)
CO2 and H2O must be products
d)
O2 must be a reactant
18.
In a reaction A + B ----> AB,  reactant A has 4g and product  AB has 10g. How many grams does reactant B should have? 
a)
4g
b)
5g
c)
6g
d)
14g
19.
2KClO3 ---------> 2KCl  +  3O2 is a 
a)
Synthesis reaction
b)
Decomposition reaction
c)
Combustion reaction
d)
None of the above
20.
Is this balanced?
Al + O2 → 2Al2O3
a)
Yes
b)
No
21.
What is the part of the chemical equation in green called? 
Fe + S --> FeS
a)
products
b)
reactants
c)
yield
d)
chemical formula
22.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
23.
What is a benefit of nuclear fission?
a)
The ability to absorb energy
b)
The ability to release tremendous amounts of energy
c)
The ability to produce more energy than nuclear fusion
d)
There are no beneficial aspects of nuclear fission
24.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
decay
d)
gamma radiation
25.

What percentage of rubidium-87 atoms will be left after four half lives?

a)

25.0%

b)

12.5%

c)

6.25%

d)

3.125%

26.

Which diagram best represents the percentage of this radioactive isotope sample that will remain after 2 half-lives?

a)
b)
c)
d)
27.
The half life of iodine-131 is 8 days. What fraction of an iodine-131 sample will remain after 40 days?
a)
1/2
b)
1/64
c)
1/5
d)
1/32
28.
What would cause a decrease in particle movement?
a)
decrease atoms
b)
increase in space between atoms
c)
decrease in temperature
d)
increase in mass
29.
The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?
a)
Sublimation: A solid turning into a gas.
b)
Condensation: A gas changing to a liquid.
c)
Evaporation: A liquid changing to a gas.
d)
Deposition: A gas changing to a solid.
30.
Electrically charged state of matter similar to a gas.
a)
temperature
b)
liquid
c)
plasma
d)
gas
31.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
32.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
33.

Which would NOT increase the rate at which a sugar cube dissolves?

a)

Reducing the amount of solvent

b)

Crushing the sugar cube

c)

Stirring the solution

d)

Heating the solvent

34.

A solution that contains all of the solute it can hold at a given temperature is

a)

diluted.

b)

saturated.

c)

supersaturated.

d)

unsaturated.

35.

A student pours mineral salts into a bottle of cold water. Which of the following best explains why shaking the bottle will affect the dissolving rate of the salt?

a)

Shaking exposes the salts to the solvent more quickly.

b)

Shaking helps more water evaporate.

c)

Shaking equalizes the water temperature.

d)

Shaking causes more ions to precipitate out of solution.

36.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
37.
Which solute does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
38.

Which of these pH values represent an acid?

a)

4

b)

7

c)

10

d)

12

39.

Which of the following are properties of acids?

a)

They conduct electricity when dissolved in water

b)

They taste sour

c)

They react with metals to produce hydrogen gas

d)

All of the answer choices are correct

40.

Bases have many uses. They are mainly used to make

a)

cleaning products

b)

soaps

c)

medicines

d)

all of the answer choices

41.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
42.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
43.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
44.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
45.
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -
a)
chemical energy to electrical to sound.
b)
electrical energy to thermal to light.
c)
sound energy to electrical to chemical.
d)
mechanical energy to electrical to sound.
46.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
47.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
48.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
49.

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?

a)

Copper

b)

Carbon Steel

c)

Zinc

d)

Stainless Steel-304

50.
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?
a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Medium cup (Venti)
d)
All three are the same temperature so they have the same thermal energy
51.
The specific heat of aluminum is 0.21 cal/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
a)
105 J
b)
10.5 J
c)
1.05 J
d)
50 J
52.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
53.
In which segment is the kinetic energy remaining constant?
a)
A-B
b)
B-C
c)
C-D
d)
E-F
54.
What state(s) of matter are present at D-E?
a)
Solid-liquid
b)
Liquid
c)
Liquid-gas
d)
Gas-Solid
55.

A substance's heating curve is shown in the graph. What is its boiling point?

a)

100 C

b)

60 C

c)

-60 C

d)

20 C

56.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
57.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
58.
Which graph is showing a faster constant speed?
a)
B
b)
F
c)
They show the same speed
59.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
60.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

friction

b)

acceleration

c)

force

d)

gravity

61.

A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?

a)

1st Law

b)

2nd Law

c)

3rd Law

62.

On which celestial object (outer space) would your mass be the greatest?

a)

Earth

b)

Jupiter

c)

Sun

d)

Your mass doesn't change on different celestial objects

63.

A young South African girl has a mass of 40.0 kg. What is her weight in newtons?

a)

392 N

b)

392 m/s

c)

4.08 N

d)

4.08 m/s

64.

A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N opposing the motion. Calculate the acceleration of the object.

a)

8 m/s2

b)

6.4 m/s2

c)

1.6 m/s2

d)

9.6 m/s2

65.

How much work is produced when 350 N is used to move a car 5 m?

a)

70 J

b)

1750 J

c)

355 J

d)

175 J

66.

Is this an example of work?

A waiter carries a tray full of meals above his head by one arm straight across the room at constant speed.

a)

Yes

b)

No

67.
Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?
a)
0
b)
2
c)
4
d)
8
68.
A 16 N force is applied to an object and 96 J of work is done. How far was the object moved?
a)
6 m
b)
16 m 
c)
80 m 
d)
1536 m 
69.
This wave has the second highest frequency on the spectrum. 
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma ray
70.
The higher the frequency the ______ the energy. 
a)
higher
b)
lower
c)
neither, stays the same
71.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
72.

What process is the image showing?

a)

Constructive Interference

b)

Destructive Interference

c)

Refraction

d)

Diffraction

73.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
74.

In a longitudinal wave, the parts where the matter is at its highest pressure is

a)

compression

b)

rarefaction

c)

crest

d)

rest position

75.
What letter demonstrates the amplitude of this wave?
a)
A
b)
B
c)
C
d)
D
76.
You can see this text, your desk, and the person in front of you because light is being _______.
a)
absorbed
b)
refracted
c)
diffracted
d)
reflected
77.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
78.

When a noise is moving towards an observer, the closer it comes...

a)

the lower the pitch

b)

the longer the noise

c)

the higher the pitch

d)

the quieter the noise

79.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
80.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
81.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
82.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
83.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
84.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
85.

In a battery, electrons collect at the __________________ end of the battery.

a)

positive

b)

middle

c)

negative

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