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WorksheetsPhysical science Pentatlon 2018
Total questions: 101
Worksheet time: 2hrs 41mins
Name
Class
Date
1.
The main branches of natural science are:
a)
physics and chemistry.
b)
biology, zoology, and ecology
c)
medicine and agriculture.
d)
life, physical, and earth science
2.
Technology can best be defined as
a)
science that uses computers.
b)
new inventions
c)
applied science
d)
the use of lenses and microscopes.
3.
Pure science is best defined as the
a)
continuing search for new knowledge
b)
use of science to solve human problems
c)
study of the makeup of living things
d)
application of scientific knowledge.
4.
What is a scientific law?
a)
It is the same as a hypothesis.
b)
It is a description of a natural event.
c)
It is an explanation of a scientific observation
d)
It is the conclusion of a scientific experiment.
5.
A scientific model is a
a)
representation of a real event or object.
b)
small building used to conduct experiments.
c)
mathematical statement of a theory.
d)
new theory that takes the place of an incorrect one.
6.
How many total atoms in H2O?
a)
1
b)
2
c)
3
d)
4
7.
How many Hydrogen atoms in H2O?
a)
1
b)
2
c)
3
d)
4
8.
What charge does an electron have?
a)
positive
b)
negative
c)
neutral
9.
A mixture of 2 or more metals.
a)
alloy
b)
isotope
c)
radical
10.
What is the symbol for carbon
a)
C
b)
Ca
c)
Fe
11.
What is the symbol for Neon?
a)
N
b)
Ne
c)
No
12.
This state of matter has a definite volume and a definite shape
a)
solid
b)
liquid
c)
gas
13.
Which of the following is not a state of matter?
a)
solid
b)
chemical
c)
liquid
14.
The pull of gravity on an object
a)
mass
b)
weight
c)
volume
15.
The formula for volume of a box.
a)
mass/volume
b)
length * width
c)
length * width * height
16.
What unit would you use to measure the width of your desk?
a)
meter
b)
centimeter
c)
gram
17.
The basic metric unit of measurement for volume.
a)
liter
b)
gram
c)
meter
18.
1 kilogram = ______ grams
a)
10
b)
100
c)
1000
19.
1,000 millimeters = ______ meters
a)
1
b)
10
c)
100
20.
A mixture in which one substance is dissolved in another
a)
chemical reaction
b)
solution
c)
solvent
21.
The substance that is dissolved in a solution. (sugar in sugar water)
a)
solute
b)
solvent
c)
solution
22.
A substance capable of dissolving one or more substances. (water in sugar water)
a)
solute
b)
solvent
c)
solution
23.
Matter can be created during a chemical reaction.
a)
true
b)
false
24.
The burning of wood is a physical change
a)
true
b)
false
25.
When a ball is thrown into the air, it falls back to the ground. What causes this to happen?
a)
the round shape of the ball
b)
the way the ball is thrown
c)
the force of the air against the ball
d)
the force of gravity on the ball
26.
Why can astronauts jump higher on the Moon than on Earth?
a)
There is more oxygen on the Moon.
b)
Their pressurized suits help them.
c)
The Moon's gravity is weaker than Earth's.
d)
The warm temperature on the Moon gives the astronauts more energy.
27.
Energy can neither be created nor destroyed, it just changes form.
a)
Law of Matter
b)
Law of Conservation of Energy
c)
Law of Light Energy
d)
Law of Solar Energy
28.
1. Based on the periodic table entry below, how many protons are in one helium atom.
a)
A. 1
b)
B. 2
c)
C. 4
d)
D. 6
29.
Which of the following is a property of a nonmetal?
a)
A. It has a hard and shiny surface
b)
B. It can be bent into different shapes
c)
C. It is a poor conductor of electricity
d)
D. It is a good conductor of heat
30.
What gas is most abundant in Earth’s atmosphere?
a)
A. Oxygen
b)
B. Argon
c)
C. Carbon Dioxide
d)
D. Nitrogen
31.
Which item below is the most dense?
a)
A. Ping Pong Ball
b)
B. Lamp Oil
c)
C. Bolt
d)
D. Corn Syrup
32.
The picture above shows a large box being pushed by two men. The box did not change its position in the room because…
a)
A. The opposing forces were balanced
b)
B. The smooth floor created no friction
c)
C. The man on the left side applied more force than the man on the right side.
d)
D. The man on the right side applied more force than the man on the left side.
33.
Which of the following increases when the force applied to an object increases?
a)
A. The acceleration of the object.
b)
B. The force of gravity on the object.
c)
C. The effects of inertia on the object.
d)
D. The velocity of the object.
34.
Water is an example of:
a)
compound
b)
element
c)
solution
35.
Examples are diamonds (C) and Uranium (U)
a)
elements
b)
mixtures
c)
compounds
36.
As a sample of matter is heated, its particles ____.
a)
are unaffected
b)
move more quickly
c)
move more slowly
d)
stop moving
37.
An object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force states which of Newton's laws of motion?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 5th Law
38.
An object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force states which of Newton's laws of motion?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 5th Law
39.
Which term refers to an object's tendency to resist a change in it's motion?
a)
resistance
b)
stubborn
c)
inertia
d)
acceleration
40.
Which of the following is an indication that a chemical change has taken place?
a)
the shape changes
b)
the substance dissolved
c)
a gas was produced
d)
none of the above
41.
In any change, chemical or physical, the mass of the starting stuff is _________ the mass of the ending stuff.
a)
the same
b)
different
c)
less than
d)
more than
42.
A possible answer to a question that can be tested is
a)
hypothesis
b)
problem
c)
experiment
d)
conclusion
43.
The study of the moon, stars, and other objects in space is called
a)
chemistry
b)
biology
c)
geology
d)
astronomy
44.
Why does the moon appear to shine?
a)
It is like a star and gives off light
b)
it refracts light from space
c)
It reflects light from the sun
d)
It absorbs light from the sun
45.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
46.
Which form of matter has a definite shape and takes up space (has definite volume)?
a)
liquid
b)
solid
c)
gas
d)
clay
47.
Which form of matter fills the space like it has in the balloon?
a)
liquid
b)
string
c)
solid
d)
gas
48.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
49.
Which form of matter does not take the shape of its container?
a)
liquid
b)
gas
c)
solid
d)
air
50.
The molecules in the picture are tightly held together with little movement. They have shape and energy. Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
51.
Volume is the amount of space an object takes up.
a)
True
b)
False
52.
What is mass?
a)
the force of an object caused by gravity
b)
the amount of space something takes up
c)
the amount of matter in an object
d)
how fast something is moving
53.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
54.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
55.
Ice cubes are the ___ form of water.
a)
Liquid
b)
Solid
c)
Gas
d)
None
56.
If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
57.
If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
58.
Which is an example of a solution?
a)
Chex Mix
b)
Mixed fruit
c)
Juice
d)
milk and cereal
59.
In which of these do particles move slowest?
a)
matter
b)
gas
c)
liquid
d)
solid
60.
Which of these is the best measure of how much space an object or substance takes up?
a)
mass
b)
length
c)
volume
d)
density
61.
__________ can be described as a change in position over a period of time.
a)
Energy
b)
Acceleration
c)
Motion
d)
Force
62.
__________ can be measured as the distance traveled in a given amount of time.
a)
Speed
b)
Acceleration
c)
Energy
d)
Force
63.
_______________ result when two interacting objects are touching each other and exert a push or pull.
a)
Non-contact forces
b)
Contact forces
c)
Motion
d)
Speed
64.
__________ friction is friction that exists between a stationary object and the surface on which it is resting.
a)
Static
b)
Rolling
c)
Kinetic
d)
Stationary
65.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
66.
Signs that a chemical change has occurred include
a)
a change in color
b)
the release of bubbles
c)
the production of an odor
d)
all of the above
67.
Nonmetals are located in what section of this periodic table?
a)
Blue
b)
Yellow
c)
Pink
68.
Which of these elements has a symbol which DOES NOT include a letter from its name?
a)
iron
b)
helium
c)
magnesium
d)
zinc
69.
Which of the following is NOT a mixture?
a)
NaCl + H2O
b)
C6H12O6 + H2O
c)
C6H12O6
d)
SiO2 +H2O
70.
What generates hydroelectric power?
a)
moving water
b)
the sun
c)
dead plants and animals
d)
wind
71.
Which energy sources are renewable? You can choose more than one.
a)
hydroelectric power
b)
solar power
c)
fossil fuels
d)
wind power
72.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
73.
Which type of EM wave has the highest frequency?
a)
gamma ray
b)
radio waves
c)
microwaves
d)
infrared rays
74.
What is a parallel circuit?
a)
A circuit with only one path to get electricity to the light
b)
A circuit without any paths to get electricity to the light
c)
A circuit with multiple paths to get electricity to the light
d)
I never knew there was such a thing as a parallel circuit
75.
Speed =
a)
Distance in time
b)
motion and friction
c)
friction and time
d)
makes you go really fast
76.
What physical property of matter can be measured using the triple beam balance?
a)
length
b)
height
c)
volume
d)
mass
77.
The force of friction is caused by:
a)
surfaces rubbing against one another
b)
objects heating or cooling
c)
rough surfaces
d)
smooth surfaces
78.
What describes the ability of a solid to dissolve in water?
a)
melt
b)
dissapear
c)
solubility
d)
evaporate
79.
Buoyancy means the ability to:
a)
evaporate
b)
attract magnetic objects
c)
repel things that are not electrical
d)
float or sink
80.
Which type of objects would float?
a)
Those heavier than water
b)
Those with the same density as water
c)
Those less dense than water
d)
Those that are only made of gas
81.
Select the change of state that can be caused by cooling.
a)
Liquid vaporizing into Gas
b)
Gas vaporizing into Liquid
c)
Gas condensing into Liquid
d)
Liquid condensing into Gas
82.
Even during a physical change, the ___ stays the same.
a)
Mass
b)
Size
c)
Shape
d)
Weight
83.
What is condensation?
a)
Liquid turning into a gas
b)
Gas turning into a liquid
84.
What tool helps us find the mass of an object
a)
Balance Scale
b)
Microscope
c)
Magnet
d)
Telescope
85.
What is the plant’s main role in a food chain?
a)
carnivore
b)
consumer
c)
prey
d)
producer
86.
Adding or removing ______ will change the state of matter
a)
Mass
b)
Energy
c)
Density
87.
Producers need sunlight, carbon dioxide, and _______ for photosynthesis
a)
Water
b)
Oxygen
c)
Glucose
88.
A change in which no new substances are formed.
a)
Chemical change
b)
Burning wood
c)
Physical change
d)
Transformers
89.
Describing an object by its, texture, color, and shape.
a)
Property
b)
Senses
c)
observing
d)
Chemical change
90.
Use to remove substances by its size.
a)
Sorting
b)
Filter
c)
Mixture
d)
Solution
91.
Produced by friction when one object has a different charge than another object.
a)
Static electricity
b)
Electrons
c)
Atoms
d)
Charged
92.
Two objects that have the same charge will...
a)
Attract
b)
Repel
c)
Energize
d)
Stick together
93.
Objects that have different charges will...
a)
Freeze
b)
Repel
c)
Gravity
d)
Attract
94.
A electrical circuit that is complete is called...
a)
Open circuit
b)
Closed circuit
c)
Electrical circuit
d)
Load
95.
A electrical circuit that is not complete is called...
a)
Open circuit
b)
Closed circuit
c)
Energy
d)
Energy source
96.
Materials that allow the flow of electricity to flow easy are called...
a)
Insulators
b)
Semi-insulators
c)
Conductors
d)
Glass
97.
Materials that allow the flow of electricity to flow easy are called...
a)
Insulators
b)
Semi-insulators
c)
Conductors
d)
Glass
98.
Materials that do not allow the flow of electricity to flow through are called...
a)
Insulators
b)
Conductors
c)
Semi-conductors
d)
Load
99.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
100.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
101.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
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