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WorksheetsScience Review
Total questions: 176
Worksheet time: 3hrs 48mins
Name
Class
Date
1.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
2.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Compound
b)
Atom
c)
Chemical
d)
Element
3.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
4.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
5.
If the number of protons equal the number of _____, the atom will have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
6.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus
7.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
8.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
9.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
10.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
11.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
12.
The state of matter that takes the shape of its container is....
a)
Gas
b)
Solid
c)
Liquid
d)
None of these
13.
Thermal energy refers to....
a)
Heat energy
b)
Light energy
c)
Potential Energy
d)
Rotational energy
14.
During a chemical reaction, atoms are NOT
a)
Rearranged
b)
Created
c)
Broken
d)
Growing
15.
The state of matter with the molecules with the LOWEST amount of energy is....
a)
Gas
b)
Solid
c)
Liquid
16.
Which is the following is NOT a sign of a chemical change?
a)
Releasing a gas
b)
Releasing bubbles
c)
Changing state
d)
Rearranging atoms
17.
Thermal energy transfers...
a)
From colder to hotter material
b)
From hotter to colder material
c)
by going back and forth
d)
balancing equations
18.
Each of the elements in the periodic table has a specific number. What does the number represent?
a)
the half-life
b)
the number of neutrons
c)
the number of protons
19.
Water evaporating from salt-water is what kind of change?
a)
Physical change
b)
Chemical Change
20.
Which best explains how elements are arranged on the modern periodic table?
a)
Elements are arranged from fewest protons to most protons
b)
Elements are arranged from most protons to fewest protons
c)
Elements are arranged from fewest neutrons to most neutrons
21.
Which best describes a row of elements in the periodic table?
a)
column
b)
family
c)
group
d)
period
22.
Which shows one example of a physical change and one example of a chemical change?
a)
boiling water and melting wax
b)
rusting iron and baking a cake
c)
dissolving powder and shredding paper
d)
freezing water and burning coal
23.
Which is the best evidence that a chemical change in matter has occurred?
a)
A solid melts
b)
A gas is produced
c)
Matter is destroyed during a chemical reaction
24.
A water molecule forms when one atom of oxygen combines with two atoms of hydrogen. How many atoms will be present in the molecule that results from the reaction?
a)
1
b)
3
c)
5
d)
6
25.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
26.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
27.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
28.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
29.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
30.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
31.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
32.
Which of the following is a physical change?
a)
Dissolving
b)
Rapid release of heat
c)
Fizzing (release of gas)
d)
Rusting
33.
Which of the following is a chemical change
a)
Evaporating
b)
Bending
c)
Melting
d)
Bleaching of pigments
34.
What is a physical property?
a)
How two chemicals react with one another when combined
b)
A property that we can measure or observe with our 5 senses or other tools
c)
When two chemicals react with one another to form a new substance
d)
When a change occurs but it does not result in the formation of a new substance
35.
What is a chemical property?
a)
How two chemicals react with one another when combined
b)
A property that we can measure or observe with our 5 senses or other tools
c)
When two chemicals react with one another to form a new substance
d)
When a change occurs but it does not result in the formation of a new substance
36.
What is physical change?
a)
How two chemicals react with one another when combined
b)
A property that we can measure or observe with our 5 senses or other tools
c)
When two chemicals react with one another to form a new substance
d)
When a change occurs but it does not result in the formation of a new substance
37.
What is chemical change?
a)
How two chemicals react with one another when combined
b)
A property that we can measure or observe with our 5 senses or other tools
c)
When two chemicals react with one another to form a new substance
d)
When a change occurs but it does not result in the formation of a new substance
38.
When you increase the energy by heating a liquid what happens to the motion of the molecules
a)
They slow down
b)
They speed up
c)
Heat doesnt change the motion of the molecules
39.
Which of the following is an indication of chemical change
a)
Melting
b)
Freezing
c)
Burning
d)
Evaporating
40.
Which of the following is a chemical change
a)
Mixing red and blue food dye to make purple silly putty
b)
Mixing blue and yellow paint to make green paint
c)
Mixing a blue liquid with clear gas to create a green liquid
41.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
42.
Where on the periodic table are the metalloids found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Right Side
43.
In the compound 2H2, the H stands for
a)
Helium
b)
Hydrogen
c)
Herculineum
44.
H2
a)
Element
b)
Compound
45.
CO2
a)
Element
b)
Compound
46.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
47.
A negatively charged particle that moves around the nucleus is a(n)
a)
proton
b)
neutron
c)
electron
d)
quark
48.
These are found on the Periodic Table.
a)
elements
b)
mixtures
c)
compounds
49.
Density is...
a)
the amount of mass in an object
b)
the amount of space an object takes up
c)
the amount of mass in a given space
d)
the weight of an object
50.
How many ATOMS are in the following compound: C2H4O2
a)
3
b)
8
c)
1
d)
6
51.
What is the symbol for chlorine?
a)
C
b)
Ch
c)
Ce
d)
Cl
52.
Which of these elements has a symbol which DOES NOT include a letter from its name?
a)
iron
b)
helium
c)
magnesium
d)
zinc
53.
Energy causes ___________ to occur.
a)
change
b)
motion
c)
age
54.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Electromagnetic
55.
When plants convert the sun's energy into food, which type of energy does the sun energy become?
a)
kinetic
b)
chemical
c)
thermal
56.
What form of energy?
a)
Mechanical (kinetic) energy
b)
Chemical (kinetic) energy
c)
Sound (potential) energy
d)
Sound (kinetic) energy
57.
What kind of energy?
a)
Thermal (kinetic) energy
b)
Thermal (potential) energy
c)
Nuclear (kinetic) energy
d)
Mechanical (kinetic) energy
58.
What form of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
59.
What kind of energy?
a)
Thermal (kinetic) energy
b)
Chemical (kinetic) energy
c)
Chemical (potential) energy
d)
Mechanical (kinetic) energy
60.
Which form of energy is being released?
a)
light (potential)
b)
Light (kinetic)
c)
chemical (kinetic)
d)
Electrical (kinetic)
61.
What form of energy do plants use to make sugar in the photosynthetic process?
a)
heat energy
b)
chemical energy
c)
solar energy
d)
kinetic energy
62.
the ability to do work
a)
energy
b)
Matter
c)
photons
d)
potential energy
63.
Stored energy that results from the position or shape of an object is called...
a)
Thermal
b)
Potential
c)
Kinetic
d)
Gravitational
64.
Lightning during a thunderstorm is an example of what form of energy?
a)
Radiant (potential) energy
b)
Radiant (kinetic) energy
c)
Electrical (potential) energy
d)
Electrical (kinetic) energy
65.
Which of the followings are examples of thermal energy?
a)
a violin string plucked, talking, ringing telephone
b)
boiling water, steam, heat from a flashlight
c)
candle flame, light bulb light
d)
energy from the sun (fusion, energy from a nuclear power plant (fission)
66.
Energy is made out of...
a)
Matter
b)
Atoms
c)
Photons
d)
Nothing
67.
Energy takes up space
a)
True
b)
False
68.
A baseball held by a pitcher has _____________energy.
a)
Kinetic
b)
Chemical
c)
Potential
d)
Thermal
69.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
70.
This would be
a)
Nuclear (kinetic) energy
b)
Nuclear (potential) energy
c)
Chemical (kinetic) energy
d)
Chemical (potential) energy
71.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
72.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
73.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
74.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
75.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
76.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
77.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
78.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
79.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
80.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
81.
When a soccer ball is on a field, the energy it has just before being kicked is called
a)
kinetic energy
b)
potential energy
c)
mechanical energy
d)
chemical energy
82.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
83.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
84.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
85.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
86.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
87.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
88.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
89.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
90.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
91.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
92.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
93.
A community of living and nonliving things in their natural environment makes up a
a)
food web
b)
ecosystem
c)
food chain
d)
population
94.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
95.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
d)
prey
96.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
97.
An animal that is hunted and eaten for food is a
a)
predator
b)
prey
c)
population
98.
An organism that gets energy from breaking down dead organisms, non-living material or waste
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
99.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
100.
An animal that gets energy from eating both plants and animals is a
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
101.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
102.
Which of the following is a living part of the ecosystem?
a)
Air
b)
Sunlight
c)
Mushroom
d)
Soil
103.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
104.
Soil is an example of...
a)
Biotic Factor
b)
Abiotic Factor
c)
living organism
d)
autotroph
105.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
106.
A flower is an example of...
a)
Biotic Factor
b)
Abiotic Factor
c)
carrying capacity
d)
heterotroph
107.
Jelly-like substance found inside cell that acts as a medium for chemical reactions within the cell
a)
Nuclear Membrane
b)
Golgi Body
c)
Cytoplasm
d)
Ribosome
108.
"powerhouse of the cell" breaks down sugar molecules to release energy, site of cellular respiration, double membrane, self-replicating, contains own DNA, cristae
a)
Mitochondria
b)
Chloroplast
c)
Cell Wall
d)
Vesicle
109.
"Storage tanks" Can hold food, water or waste for the cell
a)
Ribosomes
b)
Vacuole
c)
Chloroplast
d)
Nucleolus
110.
"Gatekeeper" Separates the cell from the rest of the environment and helps control what passes in and out of the cell. Semi-permeable: allows some materials to pass through but not all
a)
Cell Wall
b)
Cytoplasm
c)
Mitochondria
d)
Cell Membrane
111.
Rigid outer layer made of cellulose that supports and protects the cell (plant, fungi, and bacterial cells)
a)
Nucleolus
b)
Golgi Body
c)
Cell Wall
d)
Cytoskeleton
112.
The organelle that uses the energy of sunlight to make food for the cell.
a)
Chloroplast
b)
Ribosome
c)
Mitochondria
d)
Nucleus
113.
Contains the Cell's DNA and is a part of the processes of growth, metabolism, and reproduction.
a)
Downy
b)
Nucleus
c)
Cell Wall
d)
Golgi Complex
114.
A group of tissues that work together
a)
Organ
b)
Tissue
c)
Cell
d)
Steak
115.
A group of similar cells that work together
a)
Molecule
b)
Tissue
c)
Organ
d)
Cell
116.
A small unit inside a cell with a specific purpose
a)
Cell
b)
Tissue
c)
Organ
d)
Organelle
117.
An organelle that makes proteins for a cell
a)
Nucleus
b)
Golgi Body
c)
Ribosome
d)
Endoplasmic Reticulum
118.
Which organelle is found in a plant cell and NOT an animal cell?
a)
vacuole
b)
lysosome
c)
cell wall
d)
cell membrane
119.
You should never ______ chemicals in the lab.
a)
taste
b)
touch
c)
smell
d)
all of the above
120.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
121.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
122.
I can perform my own experiments with lab materials ___.
a)
I am sure it is safe to do so.
b)
Whenever I want to.
c)
When all of my group is ready.
d)
Never.
123.
Disrupting other students in the laboratory with horseplay in the lab is:
a)
helpful.
b)
allowed
c)
dangerous.
d)
the quickest way to do a job.
124.
What is the CORRECT procedure for students to follow if a chemical is spilled?
a)
Stand back and advise the teacher of the spill.
b)
Run madly out of the room.
c)
Splash large amounts of water onto the spill.
d)
Immediately ask to go to the restroom.
125.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
126.
When in the lab you should wear...
a)
open-toed shoes.
b)
sandals.
c)
closed-toes shoes.
d)
no shoes.
127.
Which of the following IS considered safety equipment in our classroom?
a)
Eyewash Station
b)
Emergency Shower
c)
Fire Extinguisher
d)
All of the Above.
128.
Labs are individual activities and you should ignore your group members or be the only one working.
a)
True
b)
False
129.
When should you look over the experiment instructions?
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter. Instructions are silly!
130.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals.
c)
Wearing sandals
131.
Bob and Lizzy are working in the lab. They are goofing off and break a glass test tube. Which rule did the break?
a)
Know the location of the safety equipment.
b)
Do not eat or drink in the lab.
c)
Read instructions.
d)
No playing around!
132.
Why are approved eye protection devices (such as goggles) are worn in the lab?
a)
A. To improve your vision
b)
B. To make you look like a bug
c)
C. To give you headaches
d)
D. To protect eyes around chemicals, heat, or glassware
133.
You are working in the lab using glassware. Your partner drops a glass beaker and it shatters. A piece of glass gets in his eyes. What should he have been wearing?
a)
A. Gloves
b)
B. Sun glasses
c)
C. Safety Goggles
d)
D. A lab aporn
134.
What should you do when gathering materials for an experiment?
a)
A. Read all directions carefully
b)
B. Check all materials for chips or cracks (or broken)
c)
Clean the materials if they seem dirty/used
d)
D. All of the above
135.
Flammable materials should never be dispensed (or used) near:
a)
A. An open door
b)
B. An open flame
c)
C.Another student
d)
D. A sink
136.
If you see a science experiment set up in the classroom...
a)
do not touch anything until instructed.
b)
immediately begin working on the lab.
c)
go and check all equipment.
d)
walk around and check each station.
137.
Horseplay or practical jokes in the laboratory are...
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
okay if you are working alone.
138.
You may eat or drink in the science laboratory...
a)
after you have washed your hands.
b)
on the days you are not doing a lab.
c)
only from the beakers.
d)
at no time unless given teacher approval.
139.
Which of the following should not be worn during laboratory activities?
a)
loose clothing
b)
dangling jewelry
c)
open-toed shoes
d)
all of the above
140.
After completing an experiment in the lab, all chemical wastes should be:
a)
poured down the sink.
b)
disposed of according to the teacher's directions.
c)
thrown at other students.
d)
taken home to play with.
141.
You are heating a piece of glass and now want to pick it up. You should...
a)
pour cold water on it.
b)
use tongs.
c)
pick up the end that looks cooler.
d)
use a rag or paper towels.
142.
You are heating a substance in a test tube. Always point the open end of the tube...
a)
away from all people.
b)
toward another classmate.
c)
toward your lab partner.
d)
toward yourself.
143.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
144.
Work areas should be kept clean and tidy
a)
True
b)
False
145.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
146.
It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
a)
True
b)
False
147.
Which of the following is NOT a safe lab practice?
a)
Keep chemicals, glassware, and other equipment away from the edge of the lab table.
b)
After removing glassware from a heat source touch it right away to see if it is cool.
c)
Report minor accidents to your lab supervisor and/or teacher.
d)
Carefully heat chemicals in a flask with teacher supervision.
148.
Why is it important to know the names and appearances of lab equipment before doing laboratory work?
a)
So you score higher on the lab test.
b)
So you can quickly obtain your laboratory supplies before lab.
c)
So you can follow lab instructions clearly.
149.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
150.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
151.
Which biome is found on the mountain above the tree line?
a)
grassland
b)
deciduous forest
c)
tundra
d)
tropical forest
152.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
tropical rainforest
d)
pine forest
153.
Which type of trees is found in a temperate forest?
a)
deciduous
b)
evergreen
c)
ginko
d)
palm
154.
Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?
a)
desert
b)
taiga
c)
tundra
d)
grassland
155.
Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?
a)
desert
b)
mountain
c)
taiga
d)
tundra
156.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
157.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Water and Temperature
158.
Areas defined by their geographical location and ecological similarity are called?
a)
ecozones
b)
biotopes
c)
biomes
d)
biodomes
159.
The picture of the solar system is considered a what?
a)
Graph
b)
Simulation
c)
Model
d)
Phenomena
160.
An ecosystem that contains cacti and has low precipitation is called what?
a)
grassland
b)
desert
c)
forest
d)
tundra
161.
A biome that has few trees, zebras, lions, and elephants is called what?
a)
grassland
b)
desert
c)
deciduous forest
d)
tropical rainforest
162.
Which biome would you find seaweed, sharks, and stingrays?
a)
marine
b)
forest
c)
freshwater
d)
taiga
163.
How many variables should be changed at one time during an experiment, if we expect clear results?
a)
One
b)
Two
c)
4 or more
d)
None of the above
164.
Biotic factors such as worms, algae, fish, ducks, and turtles belong in which biome?
a)
ocean/marine
b)
freshwater
c)
grassland
d)
rainforest
165.
Which of these are biotic factors found in marine/ocean biomes?
a)
seaweed
b)
coral reef
c)
phytoplankton
d)
pH
e)
Salinity
166.
In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
Controlled Variable
b)
Responsive Variable
c)
Dependent Variable
d)
Independent Variable
167.
The measurable factor in an experiment is known as the:
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
168.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
169.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
170.
How many independent variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
171.
Pick the control from the following variables..
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel
a)
Vanilla ice cream
b)
vanilla ice cream with sprinkles
c)
vanilla ice cream with hot fudge & caramel
d)
I like it all
172.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the constant?
a)
Study Times
b)
Test Scores
c)
Same Assignment
173.
What is the control?
a)
what we are changing or testing
b)
what we are observing or measuring
c)
what we keep the same to make the experiment fair
174.
WHICH ANSWER IS A CONTROL FOR THE QUESTION:
Does warm water or cold water dissolve salt faster?
Does warm water or cold water dissolve salt faster?
a)
temperature of water
b)
speed that salt dissolves
c)
amount of water
175.
Scientific Question: Does the type of sneaker you wear affect how fast you can run?
What is the dependent variable?
What is the dependent variable?
a)
type of sneaker
b)
how fast you run
c)
person
176.
Scientific Question: Does the type of sneaker you wear affect how fast you can run?
What is the independent variable?
What is the independent variable?
a)
type of sneaker
b)
how fast you run
c)
person
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