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WorksheetsESS Test practice - Unit I
Total questions: 114
Worksheet time: 3hrs 44mins
Name
Class
Date
1.
The metric system is based on...
a)
units of 10
b)
scienitific theories
c)
scientific fact
d)
the size of the King's foot
2.
A good experiment usually tests a(n) __________.
a)
variable
b)
scientist
c)
opinion
d)
hypothesis
3.
A good experiment usually tests a(n) __________.
a)
variable
b)
scientist
c)
opinion
d)
hypothesis
4.
A good experiment usually tests a(n) __________.
a)
variable
b)
scientist
c)
opinion
d)
hypothesis
5.
A good experiment usually tests a(n) __________.
a)
variable
b)
scientist
c)
opinion
d)
hypothesis
6.
What tool do we use to measure length?
a)
graduated cylinder
b)
beaker
c)
ruler
d)
balance
7.
What tool do we use to measure mass?
a)
graduated cylinder
b)
beaker
c)
ruler
d)
balance
8.
The process of gathering information
a)
analyzing
b)
hypothesizing
c)
inferring
d)
observation
9.
What is the most important thing to remember when setting up a science experiment?
a)
You can change several things in the test.
b)
You can not change anything in the test.
c)
The way you set up the experiment does not really matter.
d)
You can only change ONE thing.
10.
What type of graph is best for graphing percentages?
a)
pie graph
b)
line graph
c)
bar graph
11.
On a line or bar graph, on which axis do you graph the independent variable?
a)
x axis
b)
y axis
c)
z axis
d)
there is not enough information to answer
12.
On a line or bar graph, on which axis do you graph the dependent variable?
a)
x axis
b)
y axis
c)
z axis
d)
there isn't enough information to answer
13.
You should wash your hands after
a)
handling plants
b)
handling animals
c)
handling chemicals
d)
handling all of these
14.
What should you never do in a laboratory setting?
a)
Eat and drink
b)
follow directions
c)
Handle all materials carefully
d)
wear safety eyewear when needed
15.
When testing the following hypothesis: “If I eat more, then I will gain weight”, what is the dependent variable?
a)
weight gain
b)
amount you eat
c)
what you eat
d)
where you eat
16.
A series of steps designed to help you solve problems and answer questions?
a)
an experiment
b)
a hypothesis
c)
an observation
d)
scientific methods
17.
When oxygen dissolves from the air into a lake, the interaction is between
a)
atmosphere and hydrosphere
b)
atmosphere and geopshere
c)
atmosphere and biosphere
d)
hydrosphere and geosphere
18.
An experiment generally tests how one _________ is affected by another.
a)
Variable
b)
test
c)
scientist
d)
option
19.
The variable that affects the dependent variable is called the _________ variable.
a)
dependent
b)
optional
c)
independent
d)
scientific
20.
The affected variable is called the __________ variable.
a)
independent
b)
dependent
c)
changed
d)
numerical
21.
Theory or hypothesis?
Over time, an animal species can change due to the pressure nature puts on them for food, water, and mating.
Over time, an animal species can change due to the pressure nature puts on them for food, water, and mating.
a)
hypothesis
b)
theory
22.
Theory or Hypothesis?
If a cell is placed in fresh water, the cell will swell over time.
If a cell is placed in fresh water, the cell will swell over time.
a)
hypothesis
b)
theory
23.
Theory or hypothesis?
If allowed to rest a few weeks, a sprain will heal naturally.
If allowed to rest a few weeks, a sprain will heal naturally.
a)
hypothesis
b)
theory
24.
Which of the following is a quantitative experiment?
a)
observing a color change in a test tube
b)
looking for behavior changes in monkeys
c)
Measuring the distance a paper airplane travels
d)
birdwatching
25.
Which of the following pieces of glassware are used to measure volume?
a)
graduated cylinder
b)
test tube
c)
flask
d)
beaker
26.
How many M are in one KM :)
a)
1000
b)
100
c)
10
d)
10000
27.
Which tool would be used to measure distance?
a)
graduated cylinder
b)
balance
c)
meter stick
d)
beaker
28.
Metrics and metric converstions are based on the number _______.
a)
9
b)
1
c)
10
d)
2
29.
Which is the largest distance?
a)
25 meters
b)
140 centimeters
c)
250 millimeters
d)
3.0 kilometers
30.
How many millimeters are in 4.5 meters?
a)
4500 millimeters
b)
450 millimeters
c)
.45 millimeters
d)
.045 millimeters
31.
What would be the best unit to measure the mass of the penny?
a)
grams
b)
kilograms
c)
liters
d)
centimeters
32.
The base unit for volume is the
a)
second
b)
gram
c)
meter
d)
liter
33.
The base unit for length is the
a)
second
b)
gram
c)
meter
d)
liter
34.
There are ___ millimeters(mm) in 2.7 centimeters (cm)
a)
270 mm
b)
.27 mm
c)
27 mm
d)
.027 mm
35.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
36.
Convert:
3 kg = ______ g
3 kg = ______ g
a)
3
b)
30
c)
300
d)
3,000
37.
Which of these is an abbreviation for millimeter?
a)
mm
b)
m
c)
cm
d)
km
38.
What is freezing in Celsius?
a)
32
b)
35
c)
0
d)
-5
39.
Convert 12 km to m
a)
120 m
b)
1,200 m
c)
12,000 m
d)
120,000 m
40.
Choose the best unit for measurement.
a)
5 ft.
b)
52 in
c)
5 cm
d)
3 mm
41.
What is the length of the key?
a)
2 cm
b)
0 cm
c)
4 cm
d)
1 cm
42.
Which one is not in the metric system?
a)
Kilometer
b)
Yard
c)
Centimeter
d)
Meter
43.
In a laboratory, the following should not be worn.
a)
all of the answers
b)
dangling jewelry
c)
sandals
d)
loose clothing
44.
How many meters are in 10 kilometers?
a)
1
b)
10
c)
10000
d)
1000
45.
a)
buret
b)
erlenmeyer flask
c)
graduated cylinder
d)
beaker
46.
The amount of matter in an object is__________?
a)
weight
b)
mass
c)
volume
d)
density
47.
1 mL = 1 _____
a)
in.
b)
cm
c)
cm3
d)
L
48.
A possible explanation to a problem that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
49.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
50.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
51.
the smallest part of an atom is the _____.
a)
electrons
b)
neutrons
c)
Protons
d)
elements
52.
according to the atomic theory ,matter is made up of ______.
a)
cells
b)
protons
c)
atoms
d)
Element
53.
the cloud of an atom is called a___________
a)
5
b)
protons
c)
neutrons
d)
a nucleus
54.
what has a no charge
a)
proton
b)
neutron
c)
electron
d)
cells
55.
____ with specific characteristics and is made up of only one atom
a)
protron
b)
8
c)
chemical
d)
Element
56.
a ___ has a positive charge
a)
element
b)
Proton
c)
neutron
d)
electron
57.
what has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
periodic table
58.
what is a scale that tells what atoms are ?
a)
periodic table
b)
Chemical
c)
Map
d)
Element
59.
What are the parts of an atom
a)
head, shoulder, knees, and toes
b)
electrons, protons, and nuetrons
c)
c
60.
unit of measurement for atomic particles is _____________ (amu) which is one-twelfth the mass of of a carbon atom containing six protons and six neutrons.
a)
atomic mass unit
b)
newtons
61.
Which of these are NOT in scientific notation?
a)
1.2 x 103
b)
5.3 x 109
c)
2.0 x 100
d)
10 x 102
62.
Define Scientific Notation.
a)
A way to express very small numbers by a power of 10
b)
A way to express
very large numbers by using a power of 10
very large numbers by using a power of 10
c)
A way to express very small numbers and very large numbers by using a power of 10
d)
None of the above
63.
What is 8.32 x 106 is standard form?
a)
83,200,000
b)
.00000832
c)
8320
d)
8,320,000
64.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
65.
What is 8.32 x 106 is standard form?
a)
83,200,000
b)
.00000832
c)
8320
d)
8,320,000
66.
Which is the smallest?
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
a)
1.3 x 1020
b)
2.9 x 1021
c)
9.5 x 1032
d)
8.4 x 1019
67.
Write 1,455 in scientific notation.
a)
No need to right a number that small in scientific notation.
b)
1.455 x 1014
c)
1.455 x 104
d)
1.455 x 103
68.
Write 35,900,000,000 in scientific notation.
a)
3.59 x 109
b)
3.59 x 1010
c)
3.59 x 10-9
d)
2.5900000000 x 109
69.
Write 650 in scientific notation.
a)
650 x 102
b)
6.5 x 102
c)
6.5 x 103
d)
It is impossible to determine without eating a snack first.
70.
Which number is the largest?
a)
4.5 x 106
b)
-9.2 x 10-4
c)
8.6 x 105
d)
9.9999999999 x 103
71.
What is the independent variable in this question?
What affect will the shape of the airplane's nose have on the distance it flies?
What affect will the shape of the airplane's nose have on the distance it flies?
a)
shape of nose
b)
distance it flies
72.
A controlled experiment is one where
a)
you change only one variable.
b)
you change many variables.
73.
The dependent variable is the one
a)
you measure.
b)
you change.
74.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.
a)
height of the ramp
b)
distance traveled by the ball
c)
mass of the ball
d)
weight of the ball
75.
Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?
a)
amount of times the dog follows the command
b)
type of reward
c)
praise
d)
type of dog
76.
Circles the outside of the nucleus
a)
Proton
b)
Neutron
c)
Electron
77.
One big idea in geo-science is that our earth is constantly >..................
a)
warming
b)
changing
c)
shrinking
d)
melting
78.
Our earth is know as the ______ planet
a)
water
b)
fire
c)
ice
d)
cool
79.
Our earth is ______ y ears old?
a)
500 500 million
b)
460 billion
c)
4.6 thousand
d)
4.6 billion
80.
As atoms get old...they gain _____ and become ________.
a)
electrons, ion
b)
protons, a new element
c)
neutrons, isotope
d)
neutrons, neutral
81.
How many protons does U 235 atom have ?
a)
235
b)
92
c)
143
d)
67
82.
When nuclei decay, an element stays the same.
a)
True
b)
False
83.
When an element loses protons, its __________changes.
a)
protonic number
b)
electronic number
c)
neutronic number
d)
atomic number
84.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
85.
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
a)
100.0g
b)
50.0g
c)
12.5g
d)
8.5g
86.
The half life of iodine-131 is 8.040 days. What percentage of an iodine-131 sample will remain after 40.20 days?
a)
312.5%
b)
31.25%
c)
.3125%
d)
3.125%
87.
How many protons does U 235 atom have ?
a)
235
b)
92
c)
143
d)
67
88.
The Geosphere is...
a)
All liquid water on Earth
b)
A 100km thick layer of gases
c)
frozen water on earth
d)
Earths entire solid body
89.
All living things on earth are part of the....
a)
Biosphere
b)
Geosphere
c)
Hydrosphere
d)
Cryosphere
90.
What is Earth's outermost system?
a)
Atmosphere
b)
Hydrosphere
c)
Cryosphere
d)
Geosphere
91.
The Four Spheres of Earth
a)
are all connected
b)
have nothing to do with one another
c)
exist on Venus and Mars
d)
don't affect human life
92.
This picture shows
a)
Atmosphere
b)
Biosphere
c)
Hydrosphere
d)
Geosphere
93.
A thunderstorm is a connection between:
a)
Biosphere-Atmosphere
b)
Atmosphere-Hydrosphere
c)
Hydrosphere-Geosphere
d)
Hydrosphere-Biosphere
94.
Polar Bears hunt seals on ice:
a)
Biosphere-Hydrosphere
b)
Biosphere-Atmosphere
c)
Hydrosphere-Atmosphere
d)
Hydrosphere-Geosphere
95.
A monkey is:
a)
Atmosphere
b)
Biosphere
c)
Geosphere
d)
Hydrosphere
96.
A meteorite is:
a)
Atmosphere-Biosphere
b)
Atmosphere-Geosphere
c)
Hydrosphere-Geosphere
d)
Biosphere-Hydrosphere
97.
This volcano is an example of something you would find in the:
a)
Atmosphere
b)
Biosphere
c)
Hydrosphere
d)
Geosphere
98.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
99.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
100.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
101.
tendency of molecules of the same kind to stick to one another
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
102.
A molecule with electrically charged areas is called a _______________.
a)
magnet
b)
polar molecule
c)
solution
d)
electrical molecule
103.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
104.
molecule in which opposite ends have opposite electric charges
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
105.
this measures
a)
6.3 mL
b)
7.5 mL
c)
5.7 mL
d)
6.3 L
106.
Volume is...
a)
what a scientist does to change something
b)
the amount of matter in an object
c)
the amount of space an object takes up
d)
how loud something is
107.
Where does a meniscus occur?
a)
triple beam balance
b)
math
c)
graduated cylinder
d)
social studies
108.
What is a meniscus?
a)
the weight of an object
b)
a curve of the liquid in a graduated cylinder
c)
the beams/bars on triple beam balance
d)
how you test volume
109.
What is the maximum value this graduated cylinder can measure?
a)
1 ml
b)
10 ml
c)
25 ml
d)
50 ml
110.
Read this scientific tool to the nearest millimeter.
a)
7.1 mm
b)
7.0 cm
c)
71 mm
d)
71 cm
111.
Read this scientific tool to the nearest millimeter.
a)
7.1 mm
b)
7.0 cm
c)
71 mm
d)
71 cm
112.
If a laboratory fire erupts, immediately
a)
notify your teacher
b)
run for the fire extinguisher
c)
throw water on the fire
d)
open a window
113.
Report any accident or injury to the teacher _______________, no matter how small it may appear
a)
at the end of the period
b)
immediately
c)
eventually
d)
after you get the situation under control
114.
Dress properly during lab activities; ________________________ are hazards in the lab
a)
Long hair, dangling jewelry, and lose or baggy clothing
b)
Electricity, machines, and live animals
c)
Glasses and contact lenses
d)
long-sleeved shirts and long pants
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