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Worksheets6th Grade Advanced Midterm Review
Total questions: 109
Worksheet time: 55mins
Name
Class
Date
1.
Seth knows that the rate of evaporation of water increases as temperature increases. One day, Seth sees that puddles on the ground are evaporating quickly. Which is a scientific conclusion that Seth can make using deductive reasoning?
a)
He hates when it rains on summer
days.
b)
It rained earlier in the day.
c)
It is still raining and the puddles will
become larger.
d)
The air is hot.
2.
Scientists use objective thinking instead of subjective thinking to find answers to scientific questions. Objective thinking means drawing conclusions
a)
based on personal feelings.
b)
based on what you are told.
c)
based on available evidence.
d)
based on rumors.
3.
Which of the following is true about scientific knowledge?
a)
It never changes because new
evidence is discarded if it contradicts
what is already known.
b)
It is based mostly on opinions and
beliefs.
c)
It is a collection of facts open to new
evidence and interpretations.
d)
It is voted on every year to see what
will be taught in books.
4.
Scientists once thought that nothing could live at extreme depths in the oceans. When tube worms were discovered living at the bottom of the sea, scientists
a)
dismissed this as a hoax immediately.
b)
thought that the worms must have
gotten there by accident.
c)
studied the worms and changed their
theories about whether life can exist
at extreme depths.
d)
moved the worms to a better place to
live.
5.
Which of the following is one of the three major branches of science?
a)
chemical science
b)
life science
c)
medical science
d)
research science
6.
Which major branch of science is the study of living things, including plants, animals, and microorganisms?
a)
life science
b)
earth science
c)
physical science
d)
nano science
7.
Which sphere of the Earth system contains nearly all of Earth’s mass?
a)
the geosphere
b)
the atmosphere
c)
the biosphere
d)
the hydrosphere
8.
The atmosphere is
a)
all the solid rocks on Earth.
b)
all the life on Earth.
c)
the layer of water in the oceans.
d)
the layer of gases that surrounds
Earth.
9.
Which is the name given to all of the Earth’s water, land, and atmosphere within which life exists?
a)
a population
b)
the biosphere
c)
an ecosystem
d)
a biotic community
10.
Increased amounts of carbon dioxide in Earth’s atmosphere may lead to global warming. What might global warming then lead to?
a)
more photochemical smog
b)
melting of the polar ice caps
c)
a hole in the ozone layer
d)
less of a greenhouse effect
11.
The graph represents the current makeup of the atmosphere. Nitrogen and oxygen are the most abundant gases in air. Only about 1 percent consists of other gases. If gases such as carbon dioxide and methane continue to increase in the atmosphere, how might the graph look in the future?
a)
It will look the same.
b)
It will have fewer sections.
c)
The darker sections will be larger.
d)
The narrowest section will be larger.
12.
Which part of the atmosphere contains the ozone layer?
a)
the troposphere
b)
the mesosphere
c)
the stratosphere
d)
the thermosphere
13.
Based on observations of sunsets and sunrises, ancient people theorized that the sun revolved around the Earth. What caused scientists to discard this theory?
a)
new evidence
b)
folk tales
c)
mythology
d)
astrology
14.
Galileo Galilei discovered that Earth moved around the sun. Galileo’s theory about the relationship of Earth to the sun is called the heliocentric theory. Why is Galileo’s discovery a theory?
a)
He became a wealthy man when
everyone bought this theory.
b)
It is a widely accepted explanation of
the way nature works.
c)
It describes how nature works under
a given set of conditions.
d)
It is scientific fact that can not be
disputed.
15.
When research is conducted using human subjects, strict regulations apply. One regulation states that the research will be conducted in a fair, honest, impartial, and transparent manner. What is meant by the word transparent?
a)
Experiments must be done using all
glass materials.
b)
Experiments are done in a closed
room with many windows.
c)
The records are kept in a see-through
binder.
d)
The records are always available
for examination by an authority or
the public.
16.
Skepticism allows scientists to
a)
accept information as facts without
questions.
b)
question information to find the
truth.
c)
conduct experiments that do not
harm living things or the
environment.
d)
know how to stay safe in the
laboratory.
17.
What is the main purpose for keeping honest and accurate records during a scientific investigation?
a)
to get a good grade
b)
so the investigation can be repeated
c)
to make better graphs
d)
to state your hypothesis
18.
Marco wants to design an experiment that will test whether a new plant food makes a grape vine produce more grapes. What is the dependent variable in this experiment?
a)
the amount of sun the vine receives
b)
where the vine is planted
c)
the new plant food
d)
the number of grapes produced
19.
By what process can heat can be transferred through empty space that does not contain matter?
a)
conduction.
b)
convection.
c)
radiation.
d)
temperature.
20.
By which process do your feet feel hot when you walk barefoot on hot sand at the beach?
a)
conduction
b)
convection currents
c)
radiation
d)
thermal energy
21.
Earth’s surface absorbs about 50 percent of the energy from the sun. This energy heats the atmosphere through
a)
conduction
b)
infrared radiation.
c)
ultraviolet radiation
d)
reflection
22.
The diagram above shows how heat transfer occurs near Earth’s surface. What do the arrows represent?
a)
heat transfer by electromagnetic
waves
b)
the cycles of water vapor in the
atmosphere
c)
the upward movement of warm air
and the downward movement of
cold air
d)
land breezes that form locally
23.
Local winds and global winds are generally
a)
influenced by Earth’s tilted axis.
b)
unpredictable.
c)
changing directions from day to day.
d)
created by the unequal heating of
Earth’s surface.
24.
In which step of the water cycle does water move from Earth’s surface into the atmosphere?
a)
condensation
b)
evaporation
c)
precipitation
d)
surface runoff
25.
What effect do oceans have on the temperature of coastal areas?
a)
Ocean breezes warm the coastal land
constantly.
b)
Ocean currents always cool a
coastline.
c)
Ocean winds prevent extremes of
temperature on coastal lands
d)
Ocean breezes cause extreme
temperatures in coastal areas.
26.
As water moves through the water cycle, it has an effect on
a)
the amount of energy transferred by
the sun.
b)
conduction.
c)
the weather.
d)
the direction of ocean currents.
27.
Bands of high-speed global winds found about 10 kilometers above Earth’s surface that influence weather patterns are called
a)
trade winds.
b)
prevailing westerlies.
c)
jet streams.
d)
polar easterlies.
28.
Line B connects points of equal temperature. What is it called?
a)
an isotherm
b)
a cold front
c)
an isobar
d)
a warm front
29.
The Gulf Stream is a warm current that joins with the North Atlantic Drift, another warm current, as it moves across the North Atlantic Ocean. Predict how these warm ocean currents affect the climate of City X, which is near the Arctic circle
a)
The climate of City X is always hot
and dry.
b)
City X has a warmer average
temperature than a city at the same
latitude in North America.
c)
The currents result in a cold, severe
climate in City X.
d)
The climate at City X is unaffected
because it’s close to the Arctic circle.
30.
Which factor would have the greatest effect on the climate of a coastal area?
a)
elevation
b)
vegetation
c)
cloud cover
d)
ocean currents
31.
SC.6.E.7.6 The two main factors that determine the climate of a region are
a)
temperature and precipitation.
b)
pressure and temperature.
c)
altitude and pressure.
d)
altitude and temperature.
32.
SC.6.E.7.6 The average, year-after-year conditions of temperature, precipitation, wind, and clouds in an area are known as its
a)
climate.
b)
weather.
c)
global warming.
d)
seasons.
33.
SC.6.E.7.6 Volcanic activity can be responsible for major climate and landscape changes to an area. Which of the following types of volcanic activity has the greatest effect on climate?
a)
quiet eruptions
b)
earthquakes
c)
island building
d)
ash in the atmosphere
34.
SC.6.N.3.4 How do emergency workers use the SLOSH model?
a)
to predict how far inland to evacuate
residents in the event of a hurricane
b)
to predict where a hurricane will hit
land
c)
to explain what a hurricane is and
how big it will make waves in the
ocean
d)
to explain what will happen if you
shake a tub full of water in an
earthquake
35.
SC.6.N.3.4 Zoe builds a volcano out of clay. She knows that mixing baking soda and vinegar produces a reaction that in some way resembles lava erupting. She pours some baking soda and vinegar into the clay volcano and observes what happens next. What is Zoe using to help her make her observations?
a)
a mechanical system
b)
a model
c)
a scientific law
d)
feedback
36.
SC.6.E.7.7 Which of the following is most likely to happen if a hurricane were to hit along the Gulf Coast of Florida?
a)
There would be a storm surge.
b)
There would be a drought.
c)
There would be thunderstorms.
d)
There would be tornadoes.
37.
SC.6.E.7.7 How might a lengthy and severe drought affect fish living in Florida’s ponds?
a)
The fish adapt to live on land.
b)
The fish would die if the pond were
to dry up.
c)
The water in the pond would become
polluted from fertilizer in runoff.
d)
The fish would be protected by the
water in the pond and not be affected
by the drought.
38.
SC.6.E.7.8 What should people do if they are asked to evacuate during a hurricane watch?
a)
Move away permanently.
b)
Seek shelter in their home.
c)
Leave the area temporarily.
d)
Move away from the windows in
their homes.
39.
SC.6.E.7.8 What is the best way to protect yourself from the sun’s harmful rays?
a)
Use an umbrella.
b)
Keep out of the sun during midday.
c)
Wear a jacket.
d)
Swim under water.
40.
SC.6.E.7.8 During a thunderstorm, you should avoid
a)
metal objects.
b)
bodies of water.
c)
places where lightning may strike.
d)
All of the above.
41.
SC.6.N.1.3 Which of the following questions cannot be answered with a scientific investigation?
a)
How many buds does an average rose
bush produce in a season?
b)
Is a red rose more beautiful than a
white rose?
c)
What color will be produced by
crossing a red rose with a white rose?
d)
Will fertilizer X produce more growth
on rose bushes than fertilizer Y?
42.
SC.6.N.1.3 Which of the following is a process that is used by both scientists who study the ocean and scientists who study sound?
a)
scientific inquiry
b)
fiction writing
c)
conducting a survey
d)
using a telescope
43.
SC.6.N.2.2 Which of the following is true about scientific knowledge?
a)
It never changes because new
evidence is discarded if it contradicts
what is already known
b)
It is based mostly on opinions and
beliefs
c)
It is a collection of facts open to new
evidence and interpretations.
d)
It is voted on every year to see what
will be taught in books.
44.
SC.6.N.2.2 Scientists once thought that nothing could live at extreme depths in the oceans. When tube worms were discovered living at the bottom of the sea, scientists
a)
dismissed this as a hoax immediately.
b)
thought that the worms must have
gotten there by accident.
c)
studied the worms and changed their
theories about whether life can exist
at extreme depths.
d)
moved the worms to a better place to
live.
45.
SC.6.E.6.1 A rock containing iron becomes soft and crumbly and reddish-brown in color. It probably has been chemically weathered by
a)
abrasion
b)
carbon dioxide
c)
oxygen
d)
acid rain
46.
SC.6.E.6.1 In the river system shown where is deposition most likely to happen?
a)
under a rock at location C
b)
at the bend in the river at location D
c)
in the fast-flowing stream at
location B
d)
at the outflow to the ocean at
location G
47.
SC.6.E.6.1 The processes that break apart rock and soil and move them from one place to another are called
a)
soil erosion and conservation.
b)
weathering and erosion.
c)
abrasion.
d)
erosion and deposition.
48.
SC.E.6.1 Which of the following causes of weathering is classified as chemical?
a)
abrasion
b)
acid rain
c)
freezing and thawing
d)
release of pressure
49.
SC.6.E.6.2 The mountains that extend along the western side of North America and South America together make up a
a)
mountain range
b)
mountain belt.
c)
mountain system.
d)
landform region.
50.
SC.6.E.6.2 A landform found in Florida that has high elevation and a more or less level surface is a
a)
coastal plain.
b)
mountain system.
c)
plateau.
d)
mountain.
51.
SC.6.E.6.2 Which of these landforms is commonly formed by wind?
a)
a fiord
b)
a beach
c)
a sand dune
d)
a flood plain
52.
SC.6.E.7.4 Identify the example that shows how the biosphere and atmosphere can interact.
a)
people breathing in oxygen
b)
plants obtaining nutrients from
the soil
c)
ocean waves breaking down rocks
d)
animals eating other animals
53.
SC.6.E.7.4 Which two spheres interact when a glacier erodes rock?
a)
the geosphere and the atmosphere
b)
the biosphere and the geosphere
c)
the biosphere and the cryosphere
d)
the cryosphere and the geosphere
54.
SC.6.E.7.9 What is one benefit of the ozone layer in the stratosphere?
a)
It relays cell phone communications.
b)
It burns up meteoroids before they
strike Earth.
c)
It absorbs some energy from the sun
that might otherwise be harmful.
d)
It reflects radio waves back toward
space.
55.
SC.6.E.7.9 Scientists have organized Earth’s atmosphere into layers according to
a)
altitude.
b)
temperature.
c)
oxygen density.
d)
atmospheric pressure.
56.
SC.6.E.7.1 Sue wants to measure the average energy of motion of the air molecules outside. Which instrument should she use?
a)
scale
b)
pan balance
c)
thermometer
d)
graduated cylinder
57.
SC.6.E.7.1 What is happening at point C in the diagram?
a)
The sun warms Earth’s surface
through radiation.
b)
The ground warms the atmosphere
through conduction.
c)
The air warms the ground through
convection.
d)
Heat moves through the air due to
convection.
58.
SC.6.E.7.1 The transfer of thermal energy from the Sun to Earth is an example of
a)
conduction
b)
convection
c)
radiation
d)
transpiration
59.
SC.6.E.7.1 Within the troposphere, heat is transferred mostly by
a)
conduction
b)
convection
c)
radiation
d)
greenhouse effects
60.
SC.6.E.7.5 As Earth rotates, the paths of winds and currents curve, as shown in the diagram above. What is this called?
a)
doldrums
b)
El Nino
c)
La Nina effect
d)
the Coriolis effect
61.
SC.6.E.7.5 What percentage of solar energy is reflected back to space by the atmosphere?
a)
1 percent
b)
25 percent
c)
75 percent
d)
100 percent
62.
SC.6.E.7.5 Which is the major source of energy for most of Earth’s weather patterns?
a)
earthquakes along fault zones
b)
radiation received from the Sun
c)
convection currents in Earth’s mantle
d)
radioactive decay within Earth’s
interior
63.
SC.6.E.7.2 The water cycle is driven by
a)
the burning of fossil fuels.
b)
energy from the sun.
c)
energy from Earth’s interior.
d)
energy released as water changes
state.
64.
SC.6.E.7.2 The diagram shows a rain shadow. What causes the cloud to form?
a)
Warm, moist air is evaporating.
b)
Warm, moist air is condensing.
c)
Cold air is rising and expanding
d)
Warm air is sinking and condensing.
65.
SC.6.E.7.2 Where on Earth’s surface does most of the precipitation fall?
a)
on plants and soil
b)
on the oceans
c)
on rainforests
d)
on lakes and streams
66.
SC.6.E.7.2 What causes a cloud to form?
a)
air cooling to its dew point
b)
cool air holding more water vapor
c)
air pressure rising above normal
d)
air pressure falling below normal
67.
SC.6.E.7.3 Winds are caused by differences in
a)
precipitation.
b)
humidity.
c)
air pressure.
d)
turbulence.
68.
SC.6.E.7.3 A storm is a
a)
“dome” of water that sweeps across
the coast where a hurricane lands.
b)
huge body of air that has similar
temperature, humidity, and air
pressure at any given height.
c)
boundary where air masses meet and
cold air rises above warm air.
d)
violent disturbance in the
atmosphere.
69.
SC.6.E.7.3 Describe the temperature and humidity of a continental tropical air mass, such as E
a)
cold and dry
b)
cold and wet
c)
hot and dry
d)
hot and wet
70.
SC.6.E.7.3 As Earth rotates, the paths of winds and currents curve, as shown in the diagram above. What is this called?
a)
doldrums
b)
El Niño
c)
La Niña effect
d)
the Coriolis effect
71.
SC.6.E.7.3 An instrument that measures changes in air pressure is a(n)
a)
anemometer.
b)
thermometer
c)
psychrometer.
d)
barometer.
72.
SC.6.E.7.6 The Great Plains east of the Rocky Mountains are the steppe region in the United States. This area has a
a)
temperate marine climate.
b)
polar climate.
c)
dry climate.
d)
temperate continental climate.
73.
SC.6.E.7.6 Which is a natural cause of major climate change in Earth’s past?
a)
anticyclones
b)
the rapid movement of the continents
c)
the thinning of the ozone layer due to
the release of chlorofluorocarbons
(CFCs)
d)
variations in Earth’s distance from the
sun and the angle at which Earth’s
axis tilts
74.
SC.6.E.7.6 The graph above represents the temperatures for a day somewhere in Florida. How would the graph line for June 28 in Alaska be different?
a)
It would be the reverse of its current
shape.
b)
It would be located higher on the
graph grid.
c)
It would be located lower on the
graph grid.
d)
It would be the same shape.
75.
SC.6.E.7.7 People have built canals and levees to prevent floods near the Florida Everglades. How have these changes affected the Everglades?
a)
Some areas of the Everglades have
dried up.
b)
The population of egrets has
increased.
c)
Farm fertilizer no longer drains into
the Everglades.
d)
Areas of wetland have been filled in
for houses.
76.
SC.6.E.7.7 In Florida, why are areas along the Gulf of Mexico most prone to storm surges?
a)
The land beneath the ocean is very rocky.
b)
The land beneath the ocean slopes gently to shore.
c)
The land beneath the ocean is perfectly flat.
d)
The land beneath the ocean slopes steeply to shore.
77.
SC.6.E.7.7 Two major causes of floods in Florida are
a)
a dam breaking and thunderstorms.
b)
ice melting and rivers overflowing.
c)
large amounts of rain and storm surges.
d)
hurricanes and tsunamis.
78.
SC.6.E.7.8 Two ways to protect yourself from the harmful rays of the sun are to
a)
wear a hat and boots.
b)
use sunscreen and wear a hat.
c)
go outside on cloudy days only.
d)
use sunscreen and bug spray.
79.
SC.6.E.7.8 How can you remain safe if you are caught outside during a thunderstorm?
a)
Seek shelter under a tall tree.
b)
Stay close to telephone poles.
c)
Find a low area and crouch down.
d)
Stay close to bodies of water.
80.
SC.6.E.7.8 If you hear a hurricane warning and are told to evacuate, you should
a)
move away from the windows.
b)
seek shelter in your home.
c)
leave the area immediately.
d)
avoid large bodies of water.
81.
SC.6.E.6.1 At which point in the diagram is the amount of deposition more than the amount of erosion?
a)
A
b)
B
c)
C
d)
D
82.
SC.6.E.6.1 Mechanical weathering in which rock is worn away by the grinding action of other rock particles carried by the air is called
a)
erosion
b)
cracking and peeling.
c)
abrasion.
d)
ice wedging.
83.
SC.6.E.6.1 A slump is a type of mass movement in which
a)
many pieces of rock and soil slide quickly down a steep slope.
b)
one large mass of rock and soil slips downhill as a unit.
c)
rock and soil move very slowly downhill.
d)
a mixture of water, rock, and soil moves rapidly downhill.
84.
SC.6.E.6.1 Which type of weathering causes the mineral composition of rocks to change?
a)
chemical weathering
b)
general weathering
c)
mechanical weathering
d)
permeable weathering
85.
SC.6.E.6.1 Which of these glacial features results from deposition?
a)
cirque
b)
horn
c)
moraine
d)
U-shaped valley
86.
SC.6.E.6.2 Which of the following landform regions found in Florida has the lowest elevation?
a)
Piedmont Plateau
b)
Coastal Plain
c)
Central Lowlands
d)
Great Plains
87.
SC.6.E.6.2Where a coastline turns and interrupts longshore drift, sand may be deposited in a fingerlike landform called a
a)
spit.
b)
barrier beach.
c)
sandbar.
d)
headland.
88.
SC.6.N.2.1 Gretchen’s portable music player always skips when someone bumps into her desk. She sees that the reason it skips is it slides too easily on smooth surfaces. What could Gretchen do to solve the sliding problem?
a)
She could add a board to widen the
area of her desk.
b)
She could add rubber circles to the
bottom of the player.
c)
She could attach an adapter to allow
her to plug the player into a wall
socket.
d)
She could attach felt cushions to the
bottoms of her desk’s legs to keep the
desk from rocking.
89.
SC.6.N.2.1 Which describes the relationship between scientific opinion and evidence?
a)
An opinion is an idea that may be
formed from scientific evidence.
b)
Scientific evidence and opinion are
not related.
c)
Scientific evidence is an idea that
may be formed from an opinion.
d)
Scientific evidence is an idea that
may be confirmed by an opinion.
90.
SC.6.N.2.2 Which of the following is most likely to change scientific knowledge?
a)
more expensive experiments
b)
more links added to the Internet
c)
improved methods for conducting opinion polls
d)
new data or interpretations of the
natural world
91.
SC.6.N.2.3 How do graphs help you interpret data?
a)
Graphs can help you pose a question.
b)
Graphs can help you develop a
hypothesis.
c)
Graphs can reveal patterns or trends
in data.
d)
Graphs can prove your hypothesis.
92.
SC.6.N.2.3 Which of the following professionals might work together to design a greenhouse?
a)
a civil engineer and a soil engineer
b)
a botanist and a mechanical engineer
c)
a botanist and a soil engineer
d)
an aeronautical engineer and a soil
engineer
93.
SC.6.N.2.3 Which of the following scientists would be most likely to investigate ways to increase crop yields?
a)
chemist
b)
cell biologist
c)
ornithologist
d)
botanist
94.
SC.6.N1.2 The bar graph above shows data about the sources of energy used to produce electricity. Which of the following is an inference that can be made using the graph?
a)
Coal is the only fossil fuel used for producing electricity.
b)
Petroleum is the source of energy for more than 50 percent of the electricity produced.
c)
Fossil fuels are the source of energy for more than 65 percent of the electricity produced
d)
Hydroelectric power is the least important source of energy for producing electricity.
95.
SC.6.N.1.2 Why should you keep accurate experimental notes?
a)
So you won’t get bored during the experiment.
b)
Other scientists may want to verify your result.
c)
There is no reason.
d)
It is required for a good grade.
96.
SC.6.N1.2 Jose studies the effect of temperature on the amount of oxygen in fresh water. The table above contains the data he collected in a recent experiment. What should be the next step in Jose’s experiment?
a)
repeat the measurements several more times
b)
form a conclusion based on any trends in the data
c)
make a graph of the data and publish the results
d)
develop a new hypothesis and conduct another experiment
97.
SC.6.N.1.2 Which would a scientist do in a wellplanned, controlled scientific experiment?
a)
conduct only one trial
b)
keep all variables constant
c)
change two variables at a time
d)
change the dependent and independent variables
98.
SC.6.N.1.5 Which of the following is always true of a chemist, a geneticist, and an astronomer?
a)
They record observations and make assumptions.
b)
They use methods of scientific inquiry.
c)
They study living things.
d)
They carry out experiments to test scientific laws.
99.
SC.6.N.1.5 When humans are used as subjects for a controlled experiment, scientists
a)
don’t tell them anything about the experiment.
b)
offer them money only if the experiment is successful.
c)
tell them about the possible consequences of participating in the experiment.
d)
tell them about the research after the experiment is completed.
100.
SC.6.N.1.5 Dionne wanted to obtain information about the negative effects of cigarette smoking. He decided to send a questionnaire to two of the leading cigarette manufacturers. What is a problem with Dionne’s approach?
a)
The questions should be asked in person, not through a questionnaire.
b)
The manufacturers will take too long to answer.
c)
The sample will be small and biased.
d)
The manufacturers will be too busy to answer.
101.
SC.6.N.3.1 Given that scientific evidence either supports or does not support a hypothesis, what can you infer from the following statement?
a)
hypothesis can never be proved.
b)
Even if the results of a test do not support the hypothesis, the hypothesis cannot be disproved.
c)
Science is always discovering new information, which may affect or change an accepted hypothesis.
d)
It only takes one supported hypothesis to formulate a scientific theory.
102.
SC.6.E.3.1 Which of the following questions can be answered with a scientific law rather than a scientific theory?
a)
How has life on Earth has changed over time?
b)
In what direction will an apple fall?
c)
Why is the speed of light in a vacuum constant?
d)
How did the universe begin?
103.
SC.6.N.3.4 A glass is filled with ice and a liquid beverage at room temperature. In which direction does heat flow in the system described?
a)
air ➞ glass ➞ liquid ➞ ice
b)
ice ➞ liquid ➞ glass ➞ air
c)
glass ➞ liquid ➞ ice ➞ air
d)
liquid ➞ air ➞ glass ➞ ice
104.
SC.6.N.3.4 El Niño is a climate event that occurs every two to seven years in the Pacific Ocean. Unusual wind patterns cause warm water to move east toward the South American coast. Scientists do not yet understand why El Niño occurs, but they are able to predict when it will occur. Which technology enables scientists to predict El Niño?
a)
Doppler radar
b)
Landsat satellite
c)
computer models of world climates
d)
sonar soundings from submersibles
105.
SC.6.N.1.3 Which of these scientists is performing an experiment?
a)
a biologist who is testing to see how
plants react to certain chemicals
b)
a paleontologist identifying fossils
c)
an astronomer tracing the path of a
comet
d)
a chemist determining if the water in a local pond is drinkable
106.
SC.6.N.1.3 Which of the following is the best way to determine the types of clouds in the sky on a particular day?
a)
listen to a weather report
b)
read a thermometer
c)
look up in the sky
d)
ask someone you trust
107.
SC.6.N.3.2 A scientific law
a)
explains patterns in nature.
b)
describes patterns in nature.
c)
changes patterns in nature.
d)
sets rules for nature to follow.
108.
SC.6.N.3.2 Which of the following questions can be answered with a scientific law rather than a scientific theory?
a)
How has life on Earth has changed
over time?
b)
In what direction will an apple fall?
c)
Why is the speed of light in a vacuum
constant?
d)
How did the universe begin?
109.
SC.6.N.3.3 Newton’s laws of motion are scientific laws because
a)
objects are always moving.
b)
they are the accepted explanations of
nature.
c)
they describe how objects are
expected to behave under given
conditions.
d)
Newton was a well-respected member
of the scientific community in his
day.
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