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Cumulative Review 4

Total questions: 30

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

A pure substance that is made of more than one element is a ___.

a)

compound

b)

mixture

c)

suspension

d)

blend

2.

The picture shows ____.

a)

a compound

b)

an element

c)

a mixture

d)

an organic

3.

Any substance with a pH of 7 is considered ___.

a)

neutral

b)

acidic

c)

basic

d)

malleable

4.
Which of the following is a physical property of matter?
a)
Water is a liquid at room temperature.
b)
Vinegar bubbles when baking soda is added.
c)
Wood burns when exposed to fire.
d)
Apple slices turn brown.
5.

What is the name of the model shown in the figure?

a)

Billiard Ball Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Modern Model

6.
Which scientist is responsible for first discovering that all the atoms of a particular element are identical but are different from the atoms of all other elements?
a)
Dalton
b)
Thomson
c)
Bohr
d)
Rutherford
7.

Boron is atomic number 5 and has a mass of 10.81. How many electrons would it have?

a)

5

b)

15

c)

11

d)

6

8.
If an atom temporarily gains or loses one or more protons, it is considered a/an ___.
a)
ion
b)
isotope
c)
new element
d)
metalloid
9.

Sodium (Na) is a ____.

a)

nonmetal

b)

metalloid

c)

metal

d)

mixture

10.

Which of the following is a characteristic of a nonmetal?

a)

good conductor of electricity

b)

ductile

c)

poor conductor of electricity

d)

malleable

11.

A student receives a model of an atom that contains 7 protons, neutrons, and electrons, and has an atomic mass of 14. What procedure can the student use to identify the atom?

a)

Student can use the periodic table to find an element with an atomic number of 14, which is the number of protons and neutrons.

b)

Student can use the periodic table to find an element with an atomic number 7, which represents the number of neutrons.

c)

Student can use the periodic table to find an element with atomic number 7, which represents the number of protons.

d)

Student can use the periodic table to find the element with atomic number 14, which represents the number of electrons and neutrons.

12.
Which group of elements have the most reactive nonmetals?
a)
metalloids
b)
halogens
c)
alkali metals
d)
noble gases
13.
When one atom transfers an electron to another atom and are attracted by their opposite charges.  What is this occurrence called?
a)
hybridization
b)
ionic bonding
c)
covalent bonding
d)
ionization
14.

What type of ion will Calcium (Ca) in Family 2 form?

a)

2+

b)

2-

c)

3+

d)

3-

15.

How many Oxygen atoms are in 4H2O?

a)

4

b)

1

c)

5

d)

8

16.

Is this balanced?


C2H4 + 3O2 → 2CO2 + 2H2O

a)

Yes

b)

No, Carbon is not balanced

c)

No, Hydrogen is not balanced

d)

No, Oxygen is not balanced

17.
What is an example of a physical change?
a)
Boiling water
b)
Rusting of iron
c)
Adding bleach to a washer of clothes
d)
Eating foods
18.
Which of the following is NOT a benefit of using nuclear energy?
a)
There are no waste products left over.
b)
There is no air pollution generated.
c)
It is a reliable and economical source of energy.
d)
It decreases our dependence on foreign oil.
19.
Which of the following converts chemical energy to electrical energy?
a)
Battery
b)
Person eating food
c)
Automobile
d)
Camp Fire
20.
Which answer illustrates the concept of kinetic energy?
a)

a jar sitting on the shelf

b)

a girl standing on the edge of a diving board

c)

a boy running the mile

d)
the battery of portable radio, which has been turned off
21.
The process of a liquid changing to a solid is ___.
a)
freezing
b)
boiling
c)
melting
d)
vaporizing
22.

Which of these best describes the particle motion taking place as CO2 gas is exposed to freezing temperatures.

a)
The particles decrease in speed.
b)
The particles move with more force.
c)
The motion of the particles becomes random.
d)
The motion of the particles is unchanged.
23.
What temperature scale should be used to label thermometer number 2?
a)
Celsius
b)
Kelvin
c)
Fahrenheit
d)
Absolute
24.
The transfer of thermal energy in a gas or liquid by movement of currents is called ___.
a)
convection
b)
condensation
c)
conduction
d)
radiation
25.
The object in the distance-time graph is ___.
a)
Accelerating
b)
Decelerating
c)
Moving at a constant speed
d)
Not moving
26.

A student drove at a constant speed of 2.5 hours and traveled 95 miles. The student was traveling at a constant speed of ___.

a)

38 mph

b)

26 mph

c)

23 mph

d)

48 mph

27.
To travel on his skateboard, Cole uses which of Newton's Law of Motion?
a)
3rd
b)
1st
c)
2nd
d)
4th
28.

A 9.3 kg box is accelerating at a speed of 0.85 m/s2 on a conveyor belt. What amount of force is necessary to stop the box from moving?

a)

7.9 N

b)

10.9 N

c)

91.0 N

d)

79.1 N

29.

Referring to the picture, which part of the wheel barrow represents the fulcrum? (hint: Where does it pivot?)

a)

the wheel

b)

the handle

c)

the load

d)

there is no fulcrum on a wheel barrow

30.

A student lifts a box off the floor, and then walks to the other side of the room. When does the student do work?

a)

when lifting the box

b)

when walking across the room

c)

both when lifting the box and walking

d)

at no time does the student do work

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