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Grade 8 Science SOL Practice 3

Total questions: 54

Worksheet time: 47mins

Name
Class
Date
1.

Referring to the periodic table, the element calcium (Ca) is most similar to which of the following elements?

a)

chlorine (Cl)

b)

potassium (K)

c)

magnesium (Mg)

d)

gold (Au)

2.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
3.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
4.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
5.
a)
Metals
b)
Nonmetals
c)
Metalloids
6.
a)
Metals
b)
Nonmetals
c)
Metalloids
7.
a)
Metals
b)
Nonmetals
c)
Metalloids
8.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
9.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
10.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
11.
How many electrons does Oxygen need to fill its outer shell?
a)
3
b)
4
c)
1
d)
2
12.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
13.
What does the atomic mass tell you?
a)
Basically,the number of electrons and protons
b)
The number of neutrons
c)
Basically, the number of protons and neutrons
d)
The number of protons.
14.
Which is a nonrenewable source of energy?
a)
nuclear
b)
wind
c)
sunlight
d)
biomass
15.
The fossil fuels formed hundreds of millions of years ago from the remains of dead ?
a)
Animal and plants
b)
Plants and bones
c)
Fungus and animal
d)
Rock and Plants
16.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
17.
Based on the data collected, which source of alternative energy is most efficient?
a)
Coal
b)
Wind
c)
Natural gas
d)
Solar
18.

What is the sequence of energy transformations in this picture?

a)

electrical - solar - mechanical

b)

mechanical - solar - chemical

c)

solar - electrical - mechanical

d)

solar - chemical - electrical

19.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
20.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
it doesn't transfer
21.
A student was doing a science investigation in school.  Her teacher asked her to fill two beakers with water.  What would be the temperature of the water when it started to boil?
a)
100 degrees celsius
b)
50 degrees celsius
c)
32 degrees celsius
d)
20 degrees celsius
22.
The most common temperature scale used in the physical sciences where temperatures are 273 degrees more than temperatures on the Celsius scale, and 0 is based on the concept of absolute zero, is called the _______________ scale.
a)
Fahrenheit
b)
Kelvin
c)
Pound
d)
Celsius
23.

Thermal energy stops being transferred when the objects have the same temperature.

a)

True

b)

False

24.
An increase in the volume of a substance when the temperature increases is called ___________________________________.
a)
kinetic energy
b)
thermal expansion
c)
temperature
d)
heat
25.
Which of the thermometers shows the Celsius scale?
a)
1
b)
2
c)
3
26.
If all three beakers were filled with water that was the same temperature, which one would have the most total heat/thermal energy?
a)
800 mL
b)
150 mL
c)
260 mL
d)
all would have the same amount of total heat/thermal energy
27.
What is the boiling temperature of the substance used to make the time/temperature graph in the picture?
a)
40° C
b)
0° C
c)
20° C
d)
70° C
28.
What term is represented by the letter B?
a)
solid
b)
melting/freezing
c)
liquid
d)
vaporization
29.
What is happening to the temperature as a substance is boiling?
a)
It increases
b)
It decreases
c)
It stays the same
30.
Why does the temperature of a glass of ice water stay the same until the entire phase change is complete?
a)
the energy is being conserved to maintain a constant temperature
b)
energy is being released to increase the temperature
c)
energy is being used to break the bonds between the molecules
d)
the energy is being absorbed to increase the temperature
31.
What part of the wave is a rarefaction? 
a)
A
b)
B
32.
Which letter represents the wave crest?
a)
A
b)
B
c)
C
d)
D
33.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
34.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher pitched. 
b)
The sound would be lower pitched. 
c)
The sound would be quieter in volume. 
d)
The sound would be louder in volume. 
35.
This is the number of wavelengths that pass a point in 1 sec.  
a)
frequency
b)
pitch
c)
amplitude
d)
rest postion
36.
a wave that requires a medium through which to travel
a)
mechanical wave
b)
chemical wave
c)
electromagnetic wave
d)
microwave
37.
A tuning fork starts to vibrate when a certain note is played on the piano, This is an example of _______.
a)
resonance
b)
refraction
c)
diffraction
d)
reflection
38.
Which type of energy is sound?
a)
thermal energy
b)
radiant energy
c)
mechanical energy
d)
nuclear energy
39.

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy?

a)

Radio waves

b)

Ultraviolet Rays

c)

Gamma Rays

d)

X-rays

40.

Is this lens concave or convex?

a)

Concave

b)

Convex

41.
The bending of a wave as it travels from one medium to another and as a result changes speed is called
a)
reflection
b)
refraction
c)
diffraction
d)
interference
42.
Which wave has a greater frequency?
a)
A
b)
B
43.

A scientist observed the following about a wave:


It moves through a medium.

It can also move through empty space.

Its particles move perpendicular to the wave direction.


What kind of wave did the scientist observe?

a)

transverse mechanical

b)

transverse electromagnetic

c)

longitudinal mechanical

d)

longitudinal electromagnetic

44.

Which interaction is occurring in the picture?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Interference

45.

Which visible light color has the highest frequency?

a)

red

b)

green

c)

blue

d)

violet

46.

A pendulum at point B...

a)

KE is at its highest and PE is at its lowest.

b)

PE is at its highest and KE is at its lowest.

c)

PE is at its lowest and KE is at its lowest.

d)

KE is at its highest and PE is at its highest.

47.

Gravitational potential energy depends on the ________ and ________ of the object. CHOOSE 2

a)

mass

b)

velocity/speed

c)

height/distance

48.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
49.
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -
a)
chemical energy to electrical to sound.
b)
electrical energy to thermal to light.
c)
sound energy to electrical to chemical.
d)
mechanical energy to electrical to sound.
50.
"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
a)
Law of Conservation of Mass
b)
Newton's Second Law
c)
Law of Conservation of Energy
d)
Newton's Third Law
51.
Which of these is an example of light energy being transformed into chemical energy?
a)
A glow stick lights up when broken.
b)
Water heated by the sun evaporates.
c)
A plant makes sugar in the sunlight.
d)
A battery causes a buzzer to vibrate.
52.

The splitting of a nucleus of an atom is called____

a)

nuclear fission

b)

nuclear fusion

53.
What concern might a community have if a nuclear power plant was going to be built in their community?
a)
Flooding would occur because of the large water source needed
b)
The pollution given off would cause breathing problems.
c)
The radiation given off would cause cancer
d)
Workers would leave other companies in the community
54.

The sun and other stars turn ____ energy into radiant energy.

a)

chemical

b)

mechanical

c)

thermal

d)

nuclear

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