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First Semester Game

Total questions: 62

Worksheet time: 47mins

Name
Class
Date
1.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

2.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

3.

How many Nitrogen (N) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

4.

How many total molecules is 4NH3?

a)

4

b)

1

c)

3

d)

12

5.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
6.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
7.
Which of the following reactions is balanced?
a)
2CH4 + O2 -> CO2 + H2O
b)
CH4 + 2O2 -> CO2 + H2O
c)
CH4 + 2O2 -> CO2 + 2H2O
d)
None of the chemical equations are balanced.
8.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
9.

Identify the Reactants in this equation.

a)

A

b)

B

10.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
11.
Which of these is NOT a sign that a chemical change has occurred? 
a)
A loss of transparency 
b)
An unexpected color change
c)
A temperature change
d)
The formation of a precipitate
12.
The Law of Conservation of Mass states
a)
that matter exists in all states and reacts the same
b)
that matter can only be changed into new substances by introducing a catalyst
c)
that matter exists in the same state throughout any chemical change
d)
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
13.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
14.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
15.
___________________ are the elements are compounds that leave (are formed in) a chemical
reaction.
a)
Polymers
b)
Bonds
c)
Reactants
d)
Products
16.

What is the atomic mass of this atom?

a)

13

b)

14

c)

26.98

17.

If the atomic mass is 55.85, what is the number of protons?

a)

26

b)

56

c)

30

d)

25

18.

What is the number of electrons?

a)

13

b)

14

c)

26.98

d)

27

19.

What is the atomic number?

a)

14

b)

27

c)

26.98

d)

13

20.

What is the atomic number?

a)

24.31

b)

24

c)

13

d)

12

21.

All matter is made of what...

a)

energy

b)

atoms

c)

electrons

d)

compounds

22.

The central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

23.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

24.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
25.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

26.

In the modern periodic table, elements are arranged by:

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

27.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

15

d)

18

28.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
29.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
30.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
31.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
32.
Which of the following statements is true? 
a)
Balanced forces cause a change in motion. 
b)
Unbalanced forces cause a change in motion. 
c)
Forces do not effect the change in motion. 
33.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
34.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
35.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
36.
One way that a force can cause the change in an object's motion is to...
a)
do nothing.
b)
eat ice cream.
c)
start the object moving.
d)
shine on the object.
37.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)
change its spots.
38.
What is the net force and the direction of movement?
a)
50 Newtons, Left
b)
50 Newtons, Right
c)
500 Newtons, RIght
d)
450 Newtons, LEft
39.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
40.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
41.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
42.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
43.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
44.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. 
a)
3 m/s
b)
4 ft/s 
c)
13 m/s
d)
4 m/s 
45.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
46.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
47.
Which runner won the race?
a)
A
b)
B
c)
C
48.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
49.

How are the convection currents in the lava lamp different than convection currents in the atmosphere?

a)

warm air in the atmosphere sinks instead of rises

b)

The earth gets its heat from the sun and the lava lamp gets its heat from the light bulb below.

c)

Convection cells in the atmosphere flow in the same direction instead of opposite

d)

Cold air is less dense instead of being more dense.

50.

The number one thing hurricanes need is...

a)

warm water

b)

cold air from cold fronts

c)

cold water

d)

strong warm front

51.

What causes global convection currents

a)

Forests

b)

greenhouse gases

c)

more land forms

d)

uneven heating of the Earth's surface

52.

Where do warm ocean currents come from

a)

the poles

b)

near the land

c)

the equator

d)

middle of the oceans

53.

What city will experience decreasing temperatures in the next day?

a)

Denver

b)

El Paso

c)

Memphis

d)

Los Angeles

54.

What city is most likely going to see temperatures rise?

a)

San Jose

b)

El Paso

c)

Jacksonville

d)

Chicago

55.

Where do warm ocean currents come from?

a)

warm ocean currents come from the southern hemisphere

b)

warm ocean currents come from the equator

c)

Warm ocean currents come from the poles

d)

Warm ocean currents come from the beach

56.

Where do the most violent storms form

a)

The poles

b)

Tropic of Cancer

c)

The Equator

d)

Tropic of capricorn

57.

Where do cold ocean currents come from?

a)

cold ocean currents come from the southern hemisphere

b)

cold ocean currents come from the equator

c)

cold ocean currents come from the poles

d)

cold ocean currents come from the beach

58.

What does this symbol represent?

a)

Cold Front

b)

Warm Front

c)

Stationary Front

d)

Occluded Front

59.

What does this symbol represent?

a)

Cold Front

b)

Warm Front

c)

Stationary Front

d)

Occluded Front

60.

What does this symbol represent?

a)

Cold Front

b)

Warm Front

c)

Stationary Front

d)

Occluded Front

61.

Low Pressures are associated with what type of weather

a)

fair weather

b)

cold weather

c)

warm weather

d)

rainy weather

62.

high Pressures are associated with what type of weather

a)

fair weather

b)

cold weather

c)

warm weather

d)

rainy weather

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