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STEHN Composite Semester Review

Total questions: 72

Worksheet time: 2hrs 50mins

Name
Class
Date
1.

The smallest particle of an element or matter

a)

Proton

b)

Atom

c)

Electron

d)

Electron Cloud

2.

Electron in the outermost energy level of an atom.

a)

Valence Electrons

b)

Protons

c)

Neutrons

d)

Reactivity

3.

Positivley charged particle located in the nucleus of an atom.

a)

Electrons

b)

Protons

c)

Neutrons

d)

Subatomic Particles

4.

A subatomic particle of about the same mass as a proton but has No (zero/neutral) electric charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Electron Cloud

5.

These are found in the nucleus and have a neutral charge.

a)

proton

b)

electron

c)

neutron

6.

True or False: Atoms that have a valence electrons of less than eight are not stable.

a)

true

b)

false

7.

How many valence electrons are in Aluminum?

a)

1

b)

2

c)

3

d)

4

e)

5

8.

How many valence electrons are in Calcium?

a)

1

b)

2

c)

3

d)

4

e)

5

9.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

10.

What is atomic number?

a)

proton number

b)

electron number

11.

The fluorine atom has an atomic number of

a)

19

b)

9

12.

What is the mass number and atomic number ?

a)

Mass number = 7, atomic number = 14

b)

Mass number = 14, atomic number = 7

13.

How many neutrons are there in one atom of magnesium?

a)

12

b)

6

c)

24

14.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
15.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
16.
Which of these element is the least metallic?
a)
Potassium (K)
b)
Carbon (C)
c)
Sulfur (S)
d)
Neon (Ne)
17.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
18.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

19.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
20.

Elements which are shiny, conduct electricity and heat are called

a)

metal

b)

nonmetal

c)

metalloid

d)

nonexistent

21.

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

22.

The atoms on the right of the staircase are called

a)

metalloids

b)

non-metals

c)

metals

d)

noble gases

23.
What causes the tectonic plates to move?
a)
convection of magma
b)
the earth's magnetic field
c)
the earth spinning
d)
earth's gravitational pull
24.

Pangaea is a theory where all continents began as

a)

one big country

b)

one big continent

25.

What is this a picture of?

a)

plate tectonics

b)

continental drift

c)

pangaea

d)

glacier scaring

26.

This is a _______ boundary.

a)

Convergent

b)

Divergent

c)

Transform

27.

The process by which one plate is forced under another

a)

Radiation

b)

Convection

c)

Conduction

d)

Subduction

28.
The type of plate boundary where two plates come together is a .....
a)
Convergent Boundary
b)
Divergent Boundary
c)
Transform Boundary
d)
Plate Boundary
29.

When one plate forces it's way under another plate.

a)

convection

b)

boundary

c)

subduction

30.

What 2 pieces of evidence are there for tectonic plates drifting or moving?

a)

continents fit like a jigsaw puzzle and fossil record

b)

similar mountain ranges around the world, one plant species on all continents

c)

gold and diamond deposits on all continents

31.

This type of boundary occurs when tectonic plate move together.

a)

covergent

b)

divergent

c)

transform

32.
If contour lines are close together, then the slope is
a)
gentle
b)
steep
c)
flat
d)
going up and down
33.
What are the curved lines on a topographic map called?
a)
contour lines
b)
contour intervals
c)
slope
d)
elevation
34.
What is the contour interval on this map?
a)
100
b)
10
c)
15
d)
20
35.
Determine the contour interval:
a)
5 m
b)
10 m
c)
15 m
d)
20 m
36.

Match the topographic map to its profile.

a)
b)
c)
d)
37.
What do the v-shaped contour lines represent?
a)
mountains
b)
steep areas
c)
gradual areas
d)
rivers
38.

Which side is steeper?

a)

The left side of the hill

b)

The right side of the hill

39.

What does the A in APEMAN stand for?

a)

Atomic number

b)

atom

40.

What number represents the electrons for aluminum?

a)

13

b)

26.982

c)

27

41.
In a chemical equation, is it true that -
a)
the reactant side and product side can have different numbers of atoms for each element
b)
there can be different elements on the reactant side and the product side
c)
an element or compound must be accompanied by a phase change
d)
the coefficients indicate the number of molecules of each reactant used and the number of molecules of each product made
42.
Which of the following models best demonstrates a balanced chemical equation?
a)
F
b)
G
c)
H
d)
J
43.

How many atoms in all are in a molecule of serotonin?

C10H12N2O

a)
22
b)
24
c)
25
d)
4
44.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
45.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
46.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
47.
Which of the following equations demonstrates an actual chemical reaction that forms a new substance? (HINT: it must follow the Law of Conservation of Mass)
a)
A
b)
B
c)
C
d)
D
48.
Is this balanced?
2HgO → 2Hg + O2
a)
Yes
b)
No
49.
When materials combine to form new compounds it is a chemical change. Which example is a chemical change?
a)
baking powder fizzing
b)
water boiling
c)
ice melting
d)
sugar cube dissolving
50.

What is the left part of a chemical equation called?

2H2 + O2 --> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

51.

What is the right part of a chemical equation called...

2H2 + O2 --> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

52.

How many elements are in this chemical formula?

H2SO4H_2SO_4  

a)

1

b)

2

c)

3

d)

4

53.

How many atoms of Carbon are in this formula? C6 H12O6C_{6\ }H_{12}O_6  

a)

6

b)

1

c)

12

54.

Which of the following is a molecule of a compound?

a)

H2H_2

b)

Cl2Cl_2

c)

H2OH_2O

d)

F2F_2

55.

Is this an element or a compound? CaSO4CaSO_4  

a)

Element

b)

Compound

56.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
57.
A low pressure system usually causes 
a)
Clearing Weather 
b)
Wet Weather
c)
Fair Weather 
58.

This is when the rotation of the Earth deflects the direction of the wind.

a)

convergent effect

b)

marginal effect

c)

Coriolis effect

d)

Mariolis effect

59.
This symbol represents
a)
a cold front
b)
an occluded front 
c)
a stationary front
d)
a warm front
60.

What front does this symbol represent?

a)

warm front

b)

cold front

c)

stationary front

d)

occluded front

61.

What type of front does this symbol represent?

a)

warm front

b)

cold front

c)

stationary front

d)

occluded front

62.

When a cold front moves in

a)

it forces warm air to rise rapidly creating big clouds and likely rain

b)

it pushes against warm air and becomes a stationary front

c)

the cold air goes above the warm air causing a clear sky

d)

it forms a wedge and the warm air slowly rises and may form small clouds

63.

What is this a model of?

a)

how air flows around the Earth

b)

how ocean currents flow around the Earth

c)

rotation of the Earth

d)

revolution of the Earth

64.

Check all weather associated with a high pressure system.

a)

sunny

b)

clear skies

c)

calm winds

d)

warm, moist air

65.

Check all weather associated with a low pressure system.

a)

warm, humid air

b)

strong winds

c)

cloudy, stormy skies

d)

sunny, clear skies

66.

What does this weather map symbol represent?

a)

warm front

b)

cold front

c)

stationary front

d)

occluded front

67.

What kind of weather is generally associated with a cold front?

a)

heavy rain possible thunderstorms

b)

sunny skies

c)

warmer air temperature

d)

no wind

68.
a)
Low Clouds
b)
Low Temperatures
c)
Light Wind
d)
Low Air Pressure
69.
Choose the best forecast for Seattle on Saturday.
a)
rain
b)
sunny skies
c)
warmer temperatures
d)
snow
70.
Choose the best forecast for Chicago on Saturday.
a)
rain
b)
warmer temperatures
c)
snow
d)
sunny skies
71.
Choose the best forecast for Dallas on Saturday.
a)
thunderstorms
b)
snow
c)
warmer temperatures
d)
clear skies
72.
a)
High Air Pressure
b)
High Temperatures
c)
Heavy Rain
d)
Hail

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