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Physical Science Final Exam Study Guide

Total questions: 35

Worksheet time: 36mins

Name
Class
Date
1.

Salt has which type of bonds

a)

covalent bond

b)

Hydrogen bond

c)

Ionic bond

d)

Metallic bonds

2.

Identify the type of reaction: A + B-----> AB

a)

combustion

b)

synthesis

c)

decomposition

d)

single-displacement

3.

Identify the type of this reaction: AX + B ---->BX + A

a)

combustion

b)

decomposition

c)

double displacement

d)

single displacement

4.

Most reactions go faster at a higher temperature

a)

True

b)

False

5.

Whena chemical reaction occurs, atoms are

a)

ionized

b)

rearranged

c)

destroyed

d)

vaporized

6.

Which is an example of balanced force acting on an object

a)

a car turning a corner

b)

a kangaroo jumping

c)

a leaf lying on the ground

d)

a cyclist slowing down

7.

Weight is best described as

a)

an object's resistance to acceleration

b)

what causes an object to fall

c)

the downward force exerted on an object due to gravity

d)

a force solely dependent on an object's mass

8.

The law that states for every action force there is an equal and opposite reaction force is

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

d)

the law of converation of momentum

9.
This is what the experimenter is manipulating or changing in the experiment.
a)
Independent Variable
b)
Dependent Variable
c)
Constants
d)
Results
10.

What are the gray particles in the image of an atom?

a)

dust

b)

protons

c)

neutrons

d)

electrons

11.

What is the term used to label the number of protons in the nucleus?

a)

pi

b)

atomic number

c)

number 1 teacher

d)

mass number

12.

How many protons in strontium?

a)

38

b)

88

c)

50

13.
What is used to order elements on the periodic table?
a)
atomic mass
b)
atomic number
c)
whether it is a metal or nonmetal
d)
alphabetical order by element name
14.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
15.
The measurement of how much mass is contained in a given volume is called (?=M/V)
a)
weight
b)
melting point
c)
boiling point 
d)
density
16.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
17.
Inertia is the tendency of an object to resist a change in its ___________. 
a)
temperature
b)
shape
c)
size
d)
motion
18.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
19.

What is energy?

a)

The ability to do work

b)

A force

c)

Electricity

d)

The ability to transform work

20.

How many hydrogen atoms are present in this formula: 2C3H7O?

a)

7

b)

21

c)

14

d)

12

21.

In this formula: 2C3H7O, what term is used to describe the "2"?

a)

product

b)

coefficient

c)

subscript

d)

reactant

22.

Identify the EXOTHERMIC reaction:

a)

vinegar and baking soda fizzing

b)

burning wood

c)

activating an instant cold pack

23.

Identify evidence of a CHEMICAL change:

a)

milk tastes sour

b)

condensation on a window

c)

a piece of clay is deformed

d)

water is dyed green

24.

Identify which of the following equations is BALANCED:

a)

Zn + 2HCl → ZnCl2 + H2

b)

HgO → Hg + O2

c)

H2 + Fe3O4→ Fe + H2O

d)

NaCl → Na + Cl2

25.

Identify the REACTANT(S) in this equation: Zn + Ag2S --> ZnS + 2Ag

a)

Zn, Ag, S

b)

2

c)

Zn + Ag2S

d)

ZnS + 2Ag

26.

When hydrochloric acid (HCl) and sodium hydroxide (NaOH) react, the result is:

a)

NaH +ClOH

b)

2NaH + OCl

c)

H2O + NaCl

d)

NaCl +2OH

27.

In the following question, identify the INDEPENDENT variable: Which color lights enable sunflowers to grow tallest?

a)

light color

b)

flower type

c)

flower height

d)

soil brand

28.

In the following question, identify the DEPENDENT variable: Which color lights enable sunflowers to grow tallest?

a)

light color

b)

flower type

c)

flower height

d)

soil brand

29.
The number of valence electrons in an atom determines 
a)
An atom’s mass
b)
How an atom will react with other atoms
c)
In which period the atom is located
d)
The number of orbitals the atom has
30.
An element’s mass number equals the number of
a)
Neutrons 
b)
Protons
c)
Protons plus electrons
d)
Protons plus neutrons
31.
In a covalent bond
a)
Atoms transfer electrons
b)
Atoms share electrons
c)
Atoms do not share or transfer electrons
d)
Atoms share and transfer electrons
32.
Atom that has gained or lost electrons
a)
Anion
b)
Cation
c)
Mixture
d)
Ion
33.
Is water an element or a compound?
a)
Element
b)
Compound
34.

Sulfur

a)

Sf

b)

Su

c)

Sr

d)

S

35.

Helium

a)

He

b)

Hl

c)

HE

d)

Hm

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