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WorksheetsScience Assessment Review
Total questions: 45
Worksheet time: 1hrs 29mins
Name
Class
Date
1.
The diagram represents rock layers from different periods of geologic time.
A scientist is searching for fossils. In which rock layer would the scientist most likely find the oldest fossils?
A scientist is searching for fossils. In which rock layer would the scientist most likely find the oldest fossils?
a)
Tertiary
b)
Cretaceous
c)
Jurassic
d)
Triassic
2.
The table lists the six most abundant minerals found in seawater.
a)
A
b)
C
c)
B
d)
D
3.
The graph shows changes in a population of rabbits over a 15-year period.
What is the most likely conclusion that can be supported by the data in the graph?
What is the most likely conclusion that can be supported by the data in the graph?
a)
Between Year 1 and Year 5, food resources for rabbits decreased.
b)
Between Year 5 and Year 10, the number of rabbit predators increased.
c)
Environmental conditions were favorable for rabbits at Year 10.
d)
Rabbit reproduction rates declined after Year 15.
4.
The table and graph show the masses of different volumes of sugar water from the same beaker of solution.
Based on these data, what is the density of the sugar-water solution?
Based on these data, what is the density of the sugar-water solution?
a)
0.5 g/mL
b)
2.0 g/mL
c)
251 g/mL
d)
753 g/mL
5.
Researchers unearthed two fossils they named Fossil 1 and Fossil 2 from a region of rock. Which evidence best indicates that Fossil 1 is older than Fossil 2?
a)
Fossil 1 was found closer to the surface than Fossil 2.
b)
Fossil 1 was discovered in a deeper layer than Fossil 2.
c)
Fossil 1 was discovered beneath several other fossils.
d)
Fossil 1 was found by itself instead of with many other fossils.
6.
An equation for a chemical reaction is shown below. C6H12O6 (sugar) −−−> 2C2H5OH (alcohol)+ 2CO2 (carbon dioxide). Which correctly classifies the compounds in this chemical reaction as a reactant or a product?
a)
The reactant is sugar, and the products are alcohol and carbon dioxide.
b)
The reactants are sugar and alcohol, and the product is carbon dioxide.
c)
The reactants are alcohol and carbon dioxide, and the product is sugar.
d)
The reactants are carbon dioxide and sugar, and the product is alcohol.
7.
Use this equation to solve the problem.
Density=Mass/Volume
D= m/V
What is the density of a mineral with a mass of 20 grams and a volume of 10 cubic centimeters?
Density=Mass/Volume
D= m/V
What is the density of a mineral with a mass of 20 grams and a volume of 10 cubic centimeters?
a)
0.2 gram/cubic centimeter
b)
2.0 grams/cubic centimeter
c)
10.0 grams/cubic centimeter
d)
30.0 grams/cubic centimeter
8.
A triple beam balance is used to measure
a)
Volume
b)
Weight
c)
Mass
d)
Length
9.
Which of these lists the approximate percentages of substances in the atmosphere of Earth from least to greatest amounts?
a)
1% Nitrogen, 21%Oxygen, 78%Carbon dioxide
b)
1%Carbon dioxide, 21%water vapor, 78%Hydrogen
c)
1%Oxygen, 21%Argon, 78%Hydrogen
d)
1%Argon, 21%Oxygen, 78%Nitrogen
10.
Which physiological adaptation best helps some mammals ensure their survival during cold winter months?
a)
high metabolism
b)
ability to hibernate
c)
long tails for balance
d)
dark fur coloration
11.
A student makes some yogurt. The yogurt tastes sour. The yogurt is most likely in which pH range?
a)
between 4 and 6
b)
between 7 and 8
c)
between 9 and 11
d)
between 11 and 13
12.
The picture shows a branch from a pine tree and a dichotomous key.
Based on the dichotomous key, a branch from which type of pine tree is shown?
Based on the dichotomous key, a branch from which type of pine tree is shown?
a)
eastern white pine
b)
shortleaf pine
c)
jack pine
d)
Scotch pine
13.
Which of these is a result of all chemical reactions?
a)
A gas is produced.
b)
A new substance forms.
c)
Heat is released into the environment.
d)
One of the reactants changes colors.
14.
All objects below have the same mass. Gravitational force would be greatest between which pair of objects?
a)
A
b)
B
c)
C
d)
D
15.
A student placed an ice cube in a beaker. Then the student placed the beaker in a room that was 72 F. Which model best shows the arrangement of the molecules in the ice cube after 30 minutes?
a)
A
b)
C
c)
B
d)
D
16.
Which diagram best represents the magnetic field around an electromagnet?
a)
A
b)
C
c)
B
d)
D
17.
The diagram represents part of the periodic table of the elements.
Radon is a gas that does not usually form compounds. In which numbered area is radon located on the periodic table?
Radon is a gas that does not usually form compounds. In which numbered area is radon located on the periodic table?
a)
1
b)
2
c)
3
d)
4
18.
A student hangs a magnet on a piece of string over a wire coil as shown in this diagram.
What should the student do to get current to flow in the wire coil?
What should the student do to get current to flow in the wire coil?
a)
attach a battery to the magnet
b)
apply heat to the magnet
c)
move the magnet through the wire coil
d)
cut the wire coil into two separate pieces
19.
An asteroid belt orbits the sun between the orbital paths of Mars and Jupiter. What force holds the asteroids in orbit?
a)
electrical
b)
gravitational
c)
magnetic
d)
nuclear
20.
What is a difference between the magnetic field of Earth and a bar magnet?
a)
The magnetic field of Earth causes magnetic molecules to reorient.
b)
The magnetic field of Earth reverses polarity over time.
c)
The magnetic field of Earth has magnetic field lines from pole to pole.
d)
The magnetic field of Earth has two opposing magnetic poles.
21.
Zebra mussels are an invasive species of the Tennessee River. They rapidly consume large numbers of phytoplankton and zooplankton. Larger fish such as trout and herring usually feed on zooplankton and small fish. Which of these describes a change that will most likely occur soon after zebra mussels become established in the Tennessee River ecosystem?
a)
The zebra mussels will decrease in number.
b)
The large fish in the lakes will increase in number.
c)
The plankton and small fish will decrease in number.
d)
The available food sources for large fish will increase in number.
22.
Which of these allows scientists to estimate the relative age of fossils found in exposed sedimentary rock?
a)
size of fossils
b)
depth of fossils
c)
color of fossils
d)
abundance of fossils
23.
During an experiment, students are told to observe color and temperature changes while pouring exact volumes of two liquids together. Which tools are most appropriate for performing this experiment?
a)
beaker, graduated cylinder, thermometer, goggles
b)
graduated cylinder, beaker, hot plate, goggles
c)
test tube, thermometer, beaker, pan balance
d)
hot plate, beaker, thermometer, pan balance
24.
At Time 1, students placed a piece of steel wool that was soaked with vinegar into a flask. They attached a balloon to the top of the flask. The total mass of the system at Time 1 was 300 grams. At Time 2, the students observed the steel wool was rusted and the balloon was inside the flask.
What is the total mass of the setup at Time 2?
What is the total mass of the setup at Time 2?
a)
30 grams
b)
240 grams
c)
295 grams
d)
300 grams
25.
A company wants to produce a synthetic fire log that will burn longer than their competitors’ fire logs. What should designers do to ensure that their new fire log burns longer than fire logs of their competitors?
a)
modify the components of the new fire log until the desired results are produced
b)
burn the fire logs of competitors until the desired results are produced
c)
modify the collected data to reflect the desired results
d)
burn the fire logs of competitors and compare the temperatures
26.
The diagram shows a food web in a lake ecosystem.
Which of these will most likely cause a decrease in the biodiversity of the lake?
Which of these will most likely cause a decrease in the biodiversity of the lake?
a)
an increase in pollution that causes a decrease in the number of diatoms in the lake
b)
an increase in nutrients that causes an increase in the amount of grass around the lake
c)
an increase in the types of native plant species on which crickets feed
d)
an increase in the reproduction rate of zooplankton
27.
The table describes examples of chemical changes during different investigations.
Which statement is best supported by the three examples?
Which statement is best supported by the three examples?
a)
New substances were formed in each investigation.
b)
Mass was lost in each investigation.
c)
Substances changed color in each investigation.
d)
Heat was released in each investigation.
28.
In the reaction shown by the equation, 252 grams of 2FeCl2 and 70 grams of Cl2 are consumed.
2FeCl2 + Cl2−−>2FeCl3
How many grams of FeCl3 are produced?
2FeCl2 + Cl2−−>2FeCl3
How many grams of FeCl3 are produced?
a)
161 grams
b)
182 grams
c)
322 grams
d)
392 grams
29.
Information from the periodic table for four elements is shown below.
What is the atomic number of nitrogen?
What is the atomic number of nitrogen?
a)
7
b)
10
c)
11
d)
28
30.
Students design an experiment using an electromagnet constructed from a nail, wire, and either one, two, or three batteries.
The students will change the number of batteries in the electromagnet and record the number of paper clips attracted each time. What is the independent variable in this investigation?
The students will change the number of batteries in the electromagnet and record the number of paper clips attracted each time. What is the independent variable in this investigation?
a)
the size of the nail in the electromagnet
b)
the number of batteries in the electromagnet
c)
the number of paper clips attracted to the electromagnet
d)
the length of the wire in the electromagnet
31.
Three diagrams representing three states of matter are shown.
a)
solid, liquid, gas
b)
liquid, solid, gas
c)
gas, solid, liquid
d)
liquid, gas, solid
32.
The orbit of the moon around Earth is possible because of which property?
a)
the speed of revolution of Earth around the sun
b)
the strength of the force of gravity on Earth
c)
the strength of the magnetic field on Earth
d)
the speed of rotation of Earth on its axis
33.
The volume of an irregularly shaped piece of iron can be determined by using the formula below.
Volume=mass/density
V=m/d
The density of iron is approximately 8.0 grams per cubic centimeter( ) 3 g/cm . The mass of this piece of iron is 16 grams (g). Which of these is the volume of this piece of iron?
Volume=mass/density
V=m/d
The density of iron is approximately 8.0 grams per cubic centimeter( ) 3 g/cm . The mass of this piece of iron is 16 grams (g). Which of these is the volume of this piece of iron?
a)
0.5 cm3
b)
2.0 cm3
c)
24 g/cm3
d)
128 g/cm3
34.
A chemical reaction is represented by the equation. CH4 (methane)+ 2O2 (oxygen)--> CO2 (carbon dioxide)+ 2H2O (water)
Which substance is a product in this reaction?
Which substance is a product in this reaction?
a)
CH4 (methane)
b)
H2 (hydrogen)
c)
O2 (oxygen)
d)
CO2 (carbon dioxide)
35.
The chart represents the relative amounts of the gases that make up the atmosphere of Earth.
Which gas is most likely represented by the shaded area?
Which gas is most likely represented by the shaded area?
a)
oxygen
b)
nitrogen
c)
water vapor
d)
carbon dioxide
36.
A student wants to make a magnet by wrapping a wire around a piece of iron. Which of these does the student need to do to make the iron magnetic?
a)
rotate the piece of iron inside the wire
b)
rub the wire with a silk cloth
c)
heat the wire on the piece of iron
d)
pass electricity through the wire
37.
In which of these examples do the water molecules have the slowest motion?
a)
ice cubes resting in a freezer
b)
water dripping from a faucet
c)
rain falling from a cloud
d)
water vapor collecting on a window
38.
Which of these would most significantly decrease the biodiversity in a wetland area?
a)
removing invasive species from the wetland
b)
planting native trees in the wetland
c)
providing nesting boxes in the wetland for wildlife
d)
draining the wetland to build houses
39.
The best indicator that a combination of substances forms a compound is when the combination
a)
increases in volume.
b)
causes a color change.
c)
can be separated back into its original parts.
d)
forms a new material with different properties.
40.
Which diagram shows an arrangement of poles that will produce a magnetic field most similar to the magnetic field of Earth?
a)
A
b)
B
c)
C
d)
D
41.
Which action is the best example of a chemical change?
a)
creating new substances by conducting an electrical current through a copper wire
b)
creating new substances by hammering an iron nail into a piece of wood
c)
creating new substances by cutting a copper wire into small pieces
d)
creating new substances by burning small twigs to set a log on fire
42.
A student wants to increase the strength of the magnetic field of a circuit. Where should the student move the magnet back-and-forth to increase the magnetic field strength?
a)
A
b)
C
c)
B
d)
D
43.
A design team has constructed a prototype of a device that filters water to make it suitable for drinking. Which tools are best for testing the rate at which water flows out of the filtering device?
a)
funnel and meter stick
b)
beaker and microscope
c)
graduated cylinder and stopwatch
d)
thermometer and electronic balance
44.
A periodic table of elements is shown.
Which shaded element has metallic properties?
Which shaded element has metallic properties?
a)
carbon (C)
b)
neon (Ne)
c)
chlorine (Cl)
d)
vanadium (V)
45.
A science teacher performed the demonstration described in the chart.
Which statement best compares Action 1 with Action 2?
Which statement best compares Action 1 with Action 2?
a)
Both Action 1 and Action 2 produced chemical changes.
b)
Both Action 1 and Action 2 produced physical changes.
c)
Action 1 produced a physical change, but Action 2 produced a chemical change.
d)
Action 1 produced a chemical change, but Action 2 produced a physical change.
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