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WorksheetsDCA #1 PREP
Total questions: 200
Worksheet time: 4hrs 16mins
I have 1 proton. Who am I?
hydrogen
Lithium
Sodium
Calcium
I have 2 protons. Who am I?
Helium
Hydrogen
Sodium
Calcium
I have 3 protons. Who am I?
Helium
Hydrogen
Lithium
Calcium
I have 5 protons. Who am I?
Beryllium
Boron
Lithium
Calcium
I have 6 protons. Who am I?
Carbon
Boron
Lithium
Calcium
I have 7 protons. Who am I?
Nitrogen
Oxygen
Fluorine
Calcium
I have 4 protons. Who am I?
Helium
Hydrogen
Beryllium
Calcium
I have 8 protons. Who am I?
Nitrogen
Oxygen
Fluorine
Calcium
I have 9 protons. Who am I?
Nitrogen
Oxygen
Fluorine
Calcium
I have 10 protons. Who am I?
Nitrogen
Oxygen
Fluorine
Neon
Which subatomic particles are located in the nucleus
proton
neutron
electron
valence electron
Which subatomic particles are located on the electron clouds?
proton
neutron
electron
valence electron
which subatomic particle is positively charged?
proton
neutron
electron
valence electron
which subatomic particle is negatively charged?
proton
neutron
electron
which subatomic particle is neutrally charged?
proton
neutron
electron
which subatomic particle is has no charge?
proton
neutron
electron
which subatomic particle is negative?
proton
neutron
electron
which subatomic particle is positive?
proton
neutron
electron
valence electron
name the three subatomic particles
protons, neutrons and electrons
popcorn, neutrons and electrons
pewtons, newtons and valence electrons
protons, neutrons and electronics
Which subatomic particles are located on the orbitals?
proton
neutron
electron
valence electron
Which subatomic particles are located on the energy levels?
proton
neutron
electron
valence electron
Which subatomic particles are located on the rings?
proton
neutron
electron
valence electron
Which subatomic particles are located on the shells?
proton
neutron
electron
valence electron
How many protons does Hydrogen have?
(a)
How many protons does Helium have?
(a)
How many protons does Lithium have?
(a)
How many protons does Beryllium have?
(a)
How many protons does Boron have?
(a)
How many protons does Carbon have?
(a)
How many protons does Nitrogen have?
(a)
How many protons does Oxygen have?
(a)
How many protons does Fluorine have?
(a)
How many protons does Neon have?
(a)
How many electrons does Sodium have?
(a)
How many electrons does Magnesium have?
(a)
How many electrons does Aluminum have?
(a)
How many electrons does Silicon have?
(a)
How many electrons does Phosphorus have?
(a)
How many electrons does Sulfur have?
(a)
How many electrons does Chlorine have?
(a)
How many electrons does Argon have?
(a)
How many electrons does Potassium have?
(a)
How many electrons does Calcium have?
(a)
Hydrogen is...
stable
very reactive
a little reactive
Lithium is...
stable
very reactive
a little reactive
Sodium is...
stable
very reactive
a little reactive
Potassium is...
stable
very reactive
a little reactive
Beryllium is...
stable
very reactive
a little reactive
Magnesium is...
stable
very reactive
a little reactive
Calcium is...
stable
very reactive
a little reactive
Helium is...
stable
very reactive
a little reactive
Neon is...
stable
very reactive
a little reactive
Argon is...
stable
very reactive
a little reactive
Boron is...
stable
very reactive
a little reactive
Aluminum is...
stable
very reactive
a little reactive
Carbon is...
stable
very reactive
a little reactive
Silicon is...
stable
very reactive
a little reactive
Nitrogen is...
stable
very reactive
a little reactive
Fluorine is...
stable
very reactive
a little reactive
Chlorine is...
stable
very reactive
a little reactive
How many neutrons does Hydrogen have?
(a)
How many neutrons does Helium have?
(a)
How many neutrons does Lithium have?
(a)
How many neutrons does Carbon have?
(a)
How many neutrons does Oxygen have?
(a)
How many neutrons does Chlorine have?
(a)
How many neutrons does Aluminum have?
(a)
Who reacts the same as Sodium but has a greater mass?
Hydrogen
Lithium
Potassium
Who reacts the same as Strontium but has a greater mass?
Beryllium
Magnesium
Lithium
Barium
Who reacts the same as Strontium but has a greater mass?
Beryllium
Magnesium
Lithium
Barium
Who reacts the same as Chlorine but has a greater mass?
Fluorine
Bromine
Nitrogen
Boron the moron
Which element is more reactive?
Calcium
Potassium
Which element is more reactive?
Helium
Hydrogen
Which element is more reactive?
Beryllium
Lithium
Which element is more reactive?
Nitrogen
Fluorine
Which element is more reactive?
Carbon
Chlorine
Lithium is a..
metal
metalloid
non-metal
noble gas
Cobalt is a..
metal
metalloid
non-metal
noble gas
Tin is a..
metal
metalloid
non-metal
noble gas
Silver is a..
metal
metalloid
non-metal
noble gas
Boron is a..
metal
metalloid
non-metal
noble gas
Arsenic is a..
metal
metalloid
non-metal
noble gas
Sulfur is a..
metal
metalloid
non-metal
noble gas
Helium is a..
metal
metalloid
non-metal
noble gas
Neon is a..
metal
metalloid
non-metal
noble gas
How many valence electrons does Hydrogen have?
(a)
How many valence electrons does Carbon have?
(a)
Fe + O2 -> Fe2O3
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
Example: H2
Al + O2 --> 2Al2O3
Ex: 2H2 + O2 --> 2H2O
2C2H2 + 5O2 --> 4CO2 + 2H2O
4Fe + 3O2 --> 2Fe2O3
2CH3OH + 3O2 --> 2CO2 + 4H2O
2CH3OH + 3O2 --> 2CO2 + 4H2O
_Al +_HCl --> _H2 +_AlCl3
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy to electrical energy
electrical energy to mechanical energy
radiant energy to sound energy
chemical energy to mechanical energy
Which object shows an energy transformation from electrical to mechanical?
When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?
thermal energy to mechanical energy
thermal energy to chemical energy to mechanical energy
chemical energy to thermal energy to mechanical energy
chemical energy to electrical energy
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
Which items would have this energy transformation: mechanical energy -> sound energy?
turning on a flashlight
nuclear power plant
wind turbine turning
playing a violin
Which items would have this energy transformation: mechanical energy -> sound energy?
turning on a flashlight
nuclear power plant
wind turbine turning
playing a violin
UP and DOWN columns on the periodic table are
groups
periods
SIDE TO SIDE rows on the periodic table are
groups
periods
The period number tells you the number of
protons
energy levels
valence electrons
These elements are in a:
group
period
These elements are in a:
group
period
Which elements have 1 valence electron?
period 1
group 1
group 4
periods on the periodic table tell you
the number of valence electrons
the number of protons
the number of energy levels
the total number of subatomic particles in the element
Which element is located in Group 11 & Period 4?
Vanadium
Cadmium
Copper
Rhodium
What element is located in Group 18 & Period 5?
Xenon
Krypton
Radon
Helium
Which element is located in Group 3 & Period 5?
Yttrium
Scandium
Lanthanum
Magnesium
Which element is located in Group 5 & Period 4?
Nitrogen
Phosphorus
Antimony
Vandium
Which element is located in Group 1 & Period 2?
Hydrogen
Beryllium
Lithium
Sodium
The period for Bromine is ___________.
3
2
4
5
The period for Bromine is ___________.
3
2
4
5
If the wind is heading south with a force of 5 N, and a car is going north with force of 78936 N, what is the Net Force and Direction.
78931 N North
78931 N South
78531 N North
78531 N South
What is the overall Net Force and which side has a greater Net Force?
641, Left
571, Left
601, Right
480, Right
What is the Overall Net Force and which side has a greater Net Force?
12, Right
0, Both are balanced
12, Both are balanced
0, Left
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
12 N Right No
12 N Right Yes
4 N Left Yes
4 N Left No
If a person is picking up a book with the force of 50 N and the gravity is pushing down with 15 N, what is the net force?
50 N
35 N
65 N
15 N
What is Force?
A pull exerted on an object
A push exerted on an object
A push or pull exerted on an object
Nothing
You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?
20 N, to the left
20 N, to the right
10 N, to the right
10 N, to the left
What happens immediately after a hurricane makes landfall?
It gets stronger
It gets weaker
Its winds pick up speed
It starts hailing
What is a hurricane?
is a type of natural disaster
is a storm that happen over open water
is a spiral of heavy winds
is a mixture of hot and cold air
Where does a hurricane happen?
Over open water, off the coast of Africa
When rock suddenly break along a fault
Happens in many parts of the world
In latitude areas of warmer climates
cold air moving into an area
warm air moving into an area
humid air over an area
dry air over an area
cold air moving into an area
warm air moving into an area
humid air over an area
dry air over an area
Cold air is approaching Location A
Warm air is approaching Location A
Cold air is approaching Location B
Warm air is approaching Location B
Cold air is approaching Location A
Warm air is approaching Location A
Cold air is approaching Location B
Warm air is approaching Location B
Cold air is approaching Location A
Warm air is approaching Location A
Cold air is approaching Location B
Warm air is approaching Location B
Cold air is approaching Location A
Warm air is approaching Location A
Cold air is approaching Location B
Warm air is approaching Location B
It's warmer at location A
It's warmer at location B
It's cooler at location A
It's cooler at location B
Which of Newton's Laws states that an object's force depends on an object's mass?
Newton's 1st Law of Motion
Newton's 2st Law of Motion
Newton's 3st Law of Motion
According to Newton's law, when a person pushes on a wall, the wall will have a equal and opposite reaction. Which Newton's law does this apply to?
Newton's 1st law
Newton's 2st law
Newton's 3st law
Newton's 4st law
As the wheels of a train push down on a track, the track pushes back against the wheels. Which of
Newton’s laws is used to explain these forces?
A
An object at rest tends to stay at rest unless acted upon by an unbalanced force.
The net force of an object is equal to its mass times its acceleration.
For every action, there is an equal and opposite reaction.
Any two objects exert a gravitational force of attraction on each other.
An automobile you are riding in suddenly stops, but you continue to go forward.
Newton's 1st Law of Motion
Newton's 2st Law of Motion
Newton's 3st Law of Motion
Law of gravity
What is the output of this code?
int x = 8;
// x = 3;
Console.WriteLine(x);
3
8
error
24
A change in the shape of an object is an example of _________________.
a chemical change
energy
an endothermic change
a physical change
