Transcript Baseball questions for test reviewx

Baseball!
Yet another way to review for the
KCCT test
Question
• The diagram below shows a simple food web.
Which animal is classified as an omnivore?
a. red fox
b. deer
c. black bear
d. rabbit
Question
The picture shows the circular path of a toy plane being swung around on a
string. What path would the toy take if the string broke?
Question
A ball is dropped into the still water of a child’s swimming pool. Which of
the following describes the transfer of energy involved?
A. The gravitational potential energy will cause the ball to sink to the
bottom with no movement of water.
B. Wave energy in the form of ripples will move in a circle around and
away from the ball.
C. Kinetic energy will cause the ball to rise and fall with the waves until it
moves to the side of the pool.
D. The sound energy released from the ball will cause water to splash out
of the pool.
Question
Students in a science class placed ice cubes in a
cup. They were studying variables that affect
how long it takes the ice to melt.
Select the variable that would most likely NOT
affect the time it takes the ice to melt.
1. size of cup
2. size of the ice cube
3. number of students
4. temperature of the room
Question
The atomic number of magnesium is 12. Its
nucleus must contain
A. 6 protons and 6 neutrons.
B. 4 protons and 8 neutrons.
C. 12 protons
D. 12 neutrons
Question
A student added a small ball to a graduated cylinder containing 10 mL of
water.
What is the volume of the ball?
A. 5 mL
B. 10 mL
C. 15 mL
D. 20 mL
Question
Which of the following diagrams best represents the relationship between
galaxies, the universe, and solar systems?
Question
The terms gas exchange, diaphragm, and
inhale are most closely associated with
which system in the human body?
a.
b.
c.
d.
Circulatory
Digestive
Excretory
Respiratory
Question
• Name two differences between plant
and animal cells.
Question
Which of the following statements is true
about atoms?
A. Atoms only vibrate in living things.
B. Atoms vibrate only in living things and in
once-living things.
C. Atoms only vibrate in non-living things.
D. All atoms in all substances vibrate.
Question
• Name the three main parts of a cell.
Question
• A can of regular soda and a can of diet soda were
dropped into a bucket of water. The can of regular soda
sank to the bottom but the diet soda floated. Which of
the following statements best explains this observation?
a. the can of regular soda is less dense than the can of
diet soda
b. The can of regular soda is more dense than the can of
diet soda
c. The can of regular soda has more volume than the
can of diet soda.
d. The can of regular soda has a small volume than the
can of diet soda.
Question
•
Which of the following questions may
best be answered by studying an
organism’s chromosomes?
a.
b.
c.
d.
What sex is the organism?
Is the organism endangered?
Where is the organism’s ecosystem?
How does the organism obtain its food?
Question
• A student holds a book at rest in an
outstretched hand. The force exerted on the
book by the student is equal to the book’s
______.
a. Mass
b. Weight
c. Volume
d. Density
Question
•
A ball is thrown straight up and then falls
straight back down. When it attains
maximum height, the ball’s velocity is
________________.
a.
b.
c.
d.
Equal to its displacement
Equal to its displacement divided by time
At its maximum
At its minimum
Question
•
A container of cold water is dumped into a
larger container of hot water. It is mixed and
then let alone for a long time interval. The
water temperature is found to
a. Randomly vary from region to region in the
container
b. Be uniform throughout the container
c. Fluctuate at all positions in the container
d. Be greater at the bottom of the container.
Question
•
Objects appear different in size and
shape in a container of water due to
a.
b.
c.
d.
Refraction of the light waves
Interference of the water and light waves
Polarization of the light waves
Diffraction of the light waves
Question
•
Extremely high temperatures are needed
for fusion reactors to function efficiently.
What state of matter is most common at
these temperatures?
a.
b.
c.
d.
Gas
Liquid
Solid
Plasma
Question
•
Which action will result in a product with
new chemical properties?
a.
b.
c.
d.
Shredding a newspaper
Breaking a mirror
Cutting wood
Popping popcorn
Question
At convergent plate boundaries of oceanic
and continental crust
A. oceanic crust is subducted.
B. continental crust is subducted.
C. oceanic crust is created.
D. no associated volcanism occurs.
Question
•
Sterling silver is a combination of silver
and copper. Which of the following is also
a combination of two or more metals?
a.
b.
c.
d.
Aluminum
Lead
Gold
Brass
Question
•
All living things contain which element?
a.
b.
c.
d.
Helium
Sodium
Copper
Carbon
Question
•
A balloon has a negative charge. A glass rod
has a positive charge. What will happen when
the glass rod is brought near the balloon?
a.
b.
c.
d.
The balloon will be attracted to the rod.
The balloon will be repelled by the rod.
The balloon will remain in place.
The balloon will spin in circles.
Question
A cup of water at 40oC and a cup of water at 5oC are left on a table.
Which graph correctly shows the temperature of the two cups of
water as time passes?
Question
The praying mantis is a predatory insect that often eats moths. The graph below shows the
relative numbers of two species of moths over 12 weeks after the introduction of the predatory
praying mantis.
What characteristics of this ecosystem is best indicated from this graph?
A. Species B was preferred as food over species A.
B. Species B may replace species A in this environment.
C. Species B will reproduce more rapidly than species A.
D. Species B was more abundant at the beginning of this time period
than species A.
Question
The bones of a whale flipper are similar to the bones of a bat wing
as shown in the illustration below.
What does this similarity in bone structure suggest about the whale and the bat?
A. They use the same methods to travel.
B. They evolved from a common ancestor
C. They can migrate to the same locations
D. They can manipulate objects in the same way.
Question
•
Midocean ridges are usually found at
a.
b.
c.
d.
Convergent plates
Divergent plates
Plates sliding past one another
Hot spots
Question
•
A researcher found shark fossils on top of a
mountain. This evidence suggest which of
the following about this region?
a.
b.
c.
d.
It was once below a waterfall.
It was once part of a river bed.
It was once covered by an ocean.
It was once near a freshwater lake.
Question
•
From year to year, farmers rotate
different crops in the fields to improve
soil nutrients. Why is crop rotation also
an effective pest management method?
a.
b.
c.
d.
It allows chemicals to kill more pests.
It creates crops that are pest resistant.
It interrupts the life cycles of pests.
It allows pests to overpopulate.
Question
•
Where is an igneous rock such as
pumice most likely formed?
a.
b.
c.
d.
In a desert
In a creek bed
Near a volcano
Under a glacier
Question
•
Moving water was the most important factor in
forming which of these?
a.
b.
c.
d.
The Grand Canyon
San Andreas Fault
The Rocky Mountains
Mount St. Helens volcano
Question
•
Which of the following questions is testable in a
scientific investigation?
a.
b.
c.
d.
Are dogs better pets than cats?
Are dogs happy when they are walked?
Are cats more active at night than during the day?
Are cats easier to take care of than dogs?
Question
•
Where is most of the Earth’s water located?
a.
b.
c.
d.
Glaciers
Lakes
Oceans
Rivers
Question
Transpiration is a vital part of the water
cycle. It is a part of
A. Condensation
B. Precipitation
C. Evaporation
D. Collection
Question
•
Which of the following converts electrical
energy into motion?
a.
b.
c.
d.
Light switch
Electric stove
Light bulb
Electric fan
Question
•
Which best describes a parallel circuit?
a.
b.
c.
d.
Electricity flows along one pathway.
The flow of electricity comes from one source.
Electricity flows along more than one pathway.
The flow of electricity comes from more than one
source.
Question
•
A human male carries the sex chromosomes
a.
b.
c.
d.
XX
XY
YY
None of these
Question
•
Prokaryote cells have no nucleus. Which of
the following is an example of a prokaryote
cell?
a.
b.
c.
d.
Virus
Bacteria
White blood cell
Algae
Question
The chart below shows a part of Mohs hardness scale for minerals.
Mineral
Talc
Gypsum
Calcite
Fluorite
apatite
Hardness
1
2
3
4
5
A student is testing an unknown mineral for hardness. The unknown
mineral is tested against fluorite, but neither mineral scratches the
other. Which of the following conclusions can the student accurately
make?
A, The unknown mineral and apatite will not scratch each other.
B. The unknown mineral and calcite will not scratch each other.
C. The unknown mineral will scratch apatite.
D. The unknown mineral will scratch calcite.
Question
The elements on the left hand side of the
Periodic Table are
A. metals.
B. metalloids.
C. non-metals.
D. all gases.
.
Question
To test a theory, Tommy set out two beakers in a room that measured
220o C. In one beaker he poured 50 mL of water at 100oC and in
the other he poured 50 mL of water at 800o C. He hypothesized that
in 24 hours the water at 800o C would be at 220o C, but the water at
100oC would have stayed the same. Which of the following is
correct?
A. Tommy was correct, one was at 100oC, the other was
at 220o C.
B. Tommy was wrong, both were at 220o C.
C. Tommy was wrong, neither had changed.
D. Tommy was wrong, one was at 220oC, the other was
closer to 500o C.
Question
The number of chromosomes in a sex cell is
A. double the number of chromosomes found in body cells.
B. triple the number of chromosomes found in body cells.
C. one half the number of chromosomes found in body
cells.
D. one third the number of chromosomes found in body
cells.
Question
Which is NOT a characteristic of the modern atomic
model?
A. Electrons surround the nucleus.
B. An atom is neutral.
C. The nucleus takes up most of the volume of the
atom.
D. The nucleus is positively charged.
Question
Describe the energy transformations that
occur in a portable CD player.
A. nuclear to electrical to mechanical
B. electrical to chemical to sound
C. chemical to electrical to sound
D. heat to electrical to sound
Question
• A spring scale is pulled downwards and
readings are recorded.
Distance
pulled
Spring scale
reading
1.0 cm
4N
1.5 cm
6N
2.0 cm
8N
2.5 cm
10 N
If the spring is pulled 3.5 cm, the spring should read
A. 12 N
B. 13 N
C. 14 N
D. 15 N
Question
•
A force of 5 N is required to increase the speed of a
box from a rate of 1m/s to 3 m/s over 5 s along a level
surface. What change would most likely require
additional force to produce the same results?
a.
b.
c.
d.
Reduce the mass of the box
Increase the mass of the box
Make the surface of the box smooth
Make the surface of the floor smooth
Question
•
What characteristic of motion could
change without changing the velocity of
the object?
a.
b.
c.
d.
The speed
The position
The direction
The acceleration
Question
•
In comparison of metals to nonmetals,
metals tend to have
a. Lower melting points and greater
conductivity than nonmetals.
b. Lower conductivity and lower density than
nonmetals.
c. Higher density and lower melting points than
nonmetals.
d. Greater conductivity and high melting points
than nonmetals.
Question
•
Which of the following is found farthest
from the center of an atom?
a.
b.
c.
d.
Nucleus
Proton
Neutron
electron
Question
Which of the following best describes an
atom?
a. Protons and electrons grouped together in a
random pattern
b. Protons and electrons grouped together in
an alternating pattern
c. A core of protons and neutrons surrounded
by electrons
d. A core of electrons and neutrons surrounded
by protons
Question
•
To express the distance between the
Milky Way and other galaxies, the most
appropriate measurement would be
a.
b.
c.
d.
Miles
Kilometers
Light-years
Astronomical units
Question
A piece of pine wood floats on the surface of
the lake because the water exerts
a. An upward force equal to the weight of the
wood
b. A downward force equal to the weight of the
wood
c. An upward force equal to the weight of the
displacement water
d. A downward force equal to the weight of the
displacement water
Question
• The following equations represent chemical
reactions.
1.
2Na + H2O
2.
H2 + O2
3.
Mg + Cl2
4,
NaOH + MgCl2
NaOH + H2
H2O
MgCl2
NaCl + MgOH
Which equation shows that the total mass during a
chemical reaction stays the same?
a. 1
b. 2
c. 3
d. 4
Question
The table below shows the pH and reaction to litmus of four body fluids.
Body fluid
pH
Red litmus
Blue
litmus
Blood
7.4
Turns blue
No change
Bile
8.2
Turns blue
No change
Saliva
6.8
No change
Turns red
Gastric juice
1.7
No change
Turns red
This table shows that gastric juice is
a. Very acidic
c. Positively charged
b. Very basic
d. Negatively charged
Question
The inheritance of a trait in humans can best
be determined by
a.
b.
c.
d.
A single allele
One or more pairs of alleles
One pair of chromosomes
The sex chromosomes of the offspring
Question
A mineral supplement designed to prevent the common cold was given
to two groups of people during a scientific study.
•
Group 1 received 50 mg/day.
•
Group 2 received 100 mg/day.
After 8 weeks neither group reported a case of the common cold.
Which of the following would have made the outcome of this study
more valid?
a.
b.
c.
d.
Test only one group with 150 mg of the supplement.
Give the supplement for both weeks for only 6 weeks.
Create a third group to receive 75 mg of the supplement.
Create a third group that does not receive the supplement.
Question
•
Which of the following cell types is
formed by meiosis?
a.
b.
c.
d.
Muscle cells
Sperm cells
Skin cells
Blood cells
Question
Which of the following structures is not
found in bacteria?
a.
b.
c.
d.
Ribosomes
Mitochondria
Nucleus
Cell membrane
Question
• In humans the allele for unattached
earlobes (L) is dominant to the allele for
attached earlobes (l).
Punnett Square
L
l
L
1
2
l
3
4
Based on the PS above, a child with attached earlobes is indicated in box
A. 1
B. 4
C. 2, 3
D. 1, 2, 3
Question
How is natural selection in the evolution of
long-necked giraffes best explained?
a. Shorter necked giraffes were killed by longer
neck giraffes.
b. Giraffe necks grew longer because of the
bone structure of the animals.
c. Giraffes with longer necks survived because
they were better suited to the environment.
d. Long necked giraffes mated only with other
long necked giraffes.
Question
•
Skeletal structures are common between
two animals of different species. These
structures probably exist because both
species
a.
b.
c.
d.
Have a common food source.
Live in the same environment.
Have survived until the present time.
Have a common ancestor.
Question
The purpose for giving a person a vaccine is
to
a.
b.
c.
d.
Introduce chemicals that destroy viruses.
Stimulate an immune response.
Prevent inflammation.
Cure a disease.
Question
•
Two students were testing the amount of
fertilizer that would best promote the growth of
strawberries in a garden. Which of the
following could be an unavoidable source of
experimental error?
a.
b.
c.
d.
Length of the study
Variation in the strawberry plants
The cost of watering the plants
Fertilization during the study
Question
In most stable freshwater environments populations of
Daphnia are almost entirely female and reproduce
asexually. However, males are observed in low
oxygen environments or when food is scarce. Based
on these observations, a researcher suggests that
male Daphnia develop in response to unfavorable
environmental conditions. This is an example of a
a.
b.
c.
d.
Theory
Conclusion
Hypothesis
Result
Question
•
The cell membrane of a red blood cell
will allow water, carbon dioxide, oxygen,
and glucose to pass through. Because
other substances are blocked from
entering, this membrane is called
a.
b.
c.
d.
Perforated
Semi-permeable
Non-conductive
Permeable
Question
Eukaryotic cells are differentiated from
prokaryotic cells because eukaryotic cells
a. Are much smaller.
b. Have permeable membranes.
c. Have a higher rate of reproduction.
d. Have nuclei.
Questions
•
Which of these organisms would most
likely be found at the top of an energy
pyramid?
a.
b.
c.
d.
Clams
Sardines
Sharks
Kelp
Question
Rabbits introduced into Australia over 100 years
ago have become a serious pest to farmers.
Rabbit populations increased so much that
they displaced many native species of plant
eaters. What is the most logical explanation
for their increased numbers?
a.
b.
c.
d.
Rabbits have a high death rate.
There are few effective predators.
Additional rabbit species have been introduced.
There is an increase in rabbit competitors.
Question
Complete burning of plant material returns
carbon primarily to the
a.
b.
c.
d.
Soil.
Water
Vegetation.
Atmosphere.
Question
A healthy individual is a carrier of a lethal
allele but is unaffected by it. What is the
probable genotype of this individual?
a. Two dominant normal alleles
b. One recessive lethal allele and one
dominant lethal allele
c. One recessive lethal allele and one
dominant normal allele
d. One dominant lethal allele and one
recessive normal allele
Question
Earth has undergone some catastrophic
changes from time to time. Which of
these most likely explains why life on
Earth continued following these
catastrophes?
a.
b.
c.
d.
Dominant species had a slow mutation rate.
Many species filled the same niche.
A strong species had many characteristics.
A wide diversity of species existed.
Question
•
Which statement best describes the density of
an atom’s nucleus?
a. The nucleus occupies most of the atom’s volume
but contains little of its mass.
b. The nucleus occupies very little of the atom’s
volume and little of its mass.
c. The nucleus occupies most of the atom’s volume
and most of its mass.
d. The nucleus occupies very little of the atom’s
volume but contains most of its mass.
Question
•
Of four different laboratory solutions, the
one with the highest acidity has a pH of
a.
b.
c.
d.
11
7
5
3
Question
•
A day on Saturn takes about 10 hours.
Which fact best explains this short day?
a. Saturn is less dense than Earth.
b. Saturn is much farther away from the sun
than the Earth is.
c. Saturn rotates more rapidly than Earth.
d. Saturn’s orbit has greater eccentricity than
Earth.
Question
•
Which planet was formed from light
gases from the outer solar nebula?
a.
b.
c.
d.
Mercury
Venus
Mars
Uranus
Question
•
Evidence suggests that Earth is about 4.6
billion years old, even though no Earth rocks
have been found that can be dated at more
than 4 billion years old. This discrepancy is
most likely caused by Earth’s original crust
being
a.
b.
c.
d.
Difficult to date so precisely.
Subject to intensive erosion.
Blasted away during Earth’s formation.
Destroyed by solar radiation.
Question
•
The existence of extraterrestrial life may
never be proven, but this idea will
become more scientifically acceptable
over time if
a. No one disputes this in a scientific forum
b. Hypotheses are made related to the idea.
c. Alternate hypotheses are proposed and
confirmed.
d. Increasing scientific evidence supports the
idea.
Question
•
What is the source of energy for the sun?
a.
b.
c.
d.
Hydrogen fusion
Internal combustion
Nuclear fission of metals
Burning of solar gases
Question
•
Which of the following is best evidence that
Earth’s continents were once in a vastly
different position than they are today?
a. Penguins are found only in the Southern
Hemisphere
b. Fossils of tropical plants are found in Antarctica.
c. Volcanoes encircle the Pacific Ocean.
d. Major rivers form deltas from continental erosion.
Question
•
The sun is an average yellow star in the
Milky Way galaxy, which is described as
a.
b.
c.
d.
An elliptical galaxy.
A spiral galaxy.
Irregular galaxy.
A dwarf galaxy.
Question
•
The convergence of two continental
plates would produce
a.
b.
c.
d.
Island arcs.
Rift valleys.
Folded mountains.
Trenches.
Question
•
Which of the following provides evidence
for plate tectonics?
a.
b.
c.
d.
Sea-floor topography
Ocean currents
Coriolis effect
Atmospheric temperatures
Question
•
Earthquake vibrations are detected,
measured, and recorded on instruments
called
a.
b.
c.
d.
Sonargraphs.
Seismographs.
Richter scales.
Magnetometers.
Question
•
Which of the following energy sources is
most likely to be abundant in California
due to its position on a plate boundary?
a.
b.
c.
d.
Wind
Nuclear
Solar
Geothermal
Question
•
The moon is very hot on the side facing
the sun and very cold on the dark side.
This extreme temperature difference is
primarily due to the moon’s
a.
b.
c.
d.
Mineral composition.
Thin atmosphere.
Reflective rocks.
Lack of volcanic activity.
Question
•
Venus is warmed by solar radiation, but
its thick cloud cover increases the
temperature because the clouds
a.
b.
c.
d.
Prevent the escape of heat into space.
Convert solar radiation into heat.
Absorb short wavelengths, leaving heat.
Produce heat as they are pushed by strong
winds.
Question
•
Air moving from the poles toward the
equator turns west. The primary cause
of this global deflection is
a.
b.
c.
d.
The shape and size of land masses.
Larger cities surrounded by farm lands.
Changes in the magnetic field.
Rotation of the planet.
Question
•
Which of these effects generally occurs
as the result of a warm air mass and a
cooler air mass converging at Earth’s
surface?
a.
b.
c.
d.
The sky becomes clear.
Winds die down.
Cloud formation decreases.
Stormy weather patterns develop.
Question
•
Earth’s atmosphere is divided into layers
that are based upon their
a.
b.
c.
d.
Water content.
Relative humidity.
Gas content
Temperature gradient.
Question
• Name the four layers of the atmosphere in
order from bottom to top.
Question
•
The primitive atmosphere was deficient
in free oxygen. What process was
primarily responsible for the development
of the present percentage of free oxygen
in the Earth’s atmosphere?
a.
b.
c.
d.
Outgassing
Photosynthesis
Volcanic eruptions
Oxidation of iron-based minerals
Question
•
A communication satellite is in a circular
orbit around the Earth. If the speed of
the satellite is constant, the force acting
on the satellite is
a. zero.
b. Decreasing.
c. Points toward the center of Earth at all
times.
d. Points in the direction the satellite is moving.
Question