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Science Trivia
Science Trivia
60 terms
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Review for Physical, Earth, and Life Science
Flashcards
60 cards
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Practice quiz
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Questions
60
Answers
1
Which cellular organelle contains DNA and controls the function of the cell?
Endoplasmic Reticulum
Nucleus
Ribosome
Golgi Body
2
A tool used to identify unknown organisms based on observable characteristics is called a
homologous structure
scientific name
dichotomous key
taxonomic tree
3
The primary cause of crustal movement is
magnetism
conduction
radiation
convection
4
What type of rock forms when lava cools?
Transitional
Sedimentary
Metamorphic
Igneous
5
The Basin and Range topography of Nevada is recognized for
valleys and mountains
valleys and earthquakes
volcanoes and rivers
volcanoes and earthquakes
6
Our solar system is referred to as heliocentric, that means the Earth
has life
rotates around the Sun
has a moon
revolves around the Sun
7
What molecule allows hereditary information to be passed from generation to generation?
Lipids
Proteins
ATP
DNA
8
Which of the following human activities reduces biodiversity?
Plant 1 type of tree to replace native forest cut for lumber
Collecting tissue sample from endangered species in the area
Prohibiting hunting in wildlife preserves
Planting native grass species to prevent erosion
9
Which cell type would most likely have the most mitochondria?
A muscle cell in the leg muscle of a runner
A red blood cell that transports oxygen
A cell of stomach lining that manufactures digestive enzymes
A nerve cell that transmit signals to the brain stem
10
What term describes a particular person's feeling, thought, judgment, belief, or estimation?
Inference
Fact
Opinion
Observation
11
In order for a lunar eclipse to occur, the moon must be in what phase?
1st Quarter
3rd Quarter
Full moon
New Moon
12
Which of the following is a chemical property of matter?
melting
density
magnetism
flammability
13
What pieces of equipment would you likely need to use to calculate the density of a small rock?
Graduated cylinder and triple beam balance
Graduated cylinder and ruler
Ruler and scale
Ruler and triple beam balance
14
The process of choosing parent organisms for desired characteristics is called
artificial selection
natural selection
genetic manipulation
random chance
15
In what process is water vapor changing to a liquid?
radiation
transpiration
condensation
convection
16
Weather patterns in the United States of America generally travel from the
North Pole toward the Equator
east toward the west
west toward the east
Equator toward the North Pole
17
Which of the following is the best estimate of the number of stars in a typical galaxy?
Thousands
Millions
Billions
Hundreds
18
What process below releases primarily oxygen into the atmosphere?
Osmosis
Photosynthesis
Respiration
Combustion
19
What is the SI unit of measure for the mass of an object?
Pound
Ounce
Meter
Kilogram
20
Which of the following allows humans on Earth to experience day and night?
Revolution
Axis
Rotation
Orbit
21
Which property is the least reliable for mineral identification?
Hardness
Streak
Color
Luster
22
When there are no more living members of a species, that species is said to be
Extinct
Unchanged
Evolved
Endangered
23
For a mutation to pass from one generation to the next, it must be in which of these cells?
Heart Cell
Skin Cell
Sperm Cell
Blood Cell
24
What is the primary reason why there has been so much effort put towards creating clean energy?
To reduce America’s dependence on fossil fuels.
The government wanted to create more jobs in this country.
Nuclear energy seemed safer than petroleum energy.
Some wanted to build more wind turbines.
25
Which of the following keeps planets of the solar system in orbit around the sun?
Electromagnetic energy
Atmospheric pressure
Gravitation force
Thermal energy
26
If an egg with 24 chromosomes is fertilized by a sperm cell with 23 chromosomes, the baby will
inherit a disorder due to the extra chromosome
resemble the mother more than the father.
resemble the father more than the mother
inherit a disorder due to a missing chromosome
27
Which of the following would least likely help a plant survive in a hot, dry environment?
Open their stomata at night
Have thin large leaves on branches
Grow long shallow roots
Have needles instead of leaves
28
Compared to other stars, the Sun is a
supernova
medium-sized star
white dwarf
red giant
29
The process by which rocks are broken down by water, wind, or ice is
mechanical weathering
chemical weathering
biological weathering
structural weathering
30
Which wave requires a medium for transmission?
infrared
sound
light
radio
31
What part of the electromagnetic spectrum can be directly observed by humans?
visible light
ultraviolet light
gama rays
radio waves
32
When sulfuric acid is broken down into separate elements, how many different atoms result?
Six
Seven
Two
Three
33
When determining a region’s climate, the two main variables considered are the average
wind speed and the types of animals present
barometric pressure and the average precipitation
precipitation and average air temperature
air temperature and the size of the region
34
What is the layer of the atmosphere in which weather occurs?
Stratosphere
Troposphere
Exosphere
Mesosphere
35
If the Earth were twice as massive, then the gravitational force between it and the sun would
be the same
be four times as great
be half as great
be twice as great
36
A sheet of ice would float on a freshwater lake because ice
has less volume
is more dense than water
is less dense than water
has less mass
37
Convection in the oceans and atmosphere is a result of the difference in
volume
weight
temperature
mass
38
What abiotic factor is the initial energy source in most food webs?
Sun
Producers
Rain
Bacteria
39
The fossil record supports Darwin’s theory of evolution by showing that plants and animals
existed for only a few thousands of years
have changed over time
are the same in various environments
remain unchanged until
40
White is a helpful adaptation for animals living near the North Pole because it
helps the animals run faster
provides camouflage for the environment
absorbs more heat from the sun
makes the animals feel more comfortable
41
Medical researchers give some patients a drug, and some a placebo. What is the placebo?
A variable
A control
A qualitative comparison
A separate trial
42
When salt dissolves in water, the water is the
solubility
solution
solvent
solute
43
What type of galaxy is the Milky Way?
Irregular
Spiral
Lenticular
Elliptical
44
A change in genetic material that produces variation within a species is a
replication
transcription
translation
mutation
45
The outer layer of the Earth that contains both the crust and the upper mantle, is called the
core
asthenosphere
hemisphere
lithosphere
46
The process of photosynthesis occurs in the
Chloroplast
Nucleus
Ribosomes
Mitochondria
47
A horse walks at a constant speed of 2 m/s. How far will the horse travel in thirty minutes?
60 m
1800 m
3600 m
15 m
48
Fossils are most commonly preserved in
Metamorphic Rock
Sedimentary Rock
Ingenous Rock
Transitional Rock
49
Plants transform energy from the sun into
Nuclear Energy
Chemical Energy
Mechanical Energy
Solar Energy
50
How many electrons are in a neutral atom with an atomic number of 12?
6
12
4
24
51
The frequency of a wave can be calculated by
dividing the frequency by the velocity
multiplying the velocity times the wavelength
multiplying the amplitude by the wavelength
dividing the speed by the wavelength
52
What is the smallest unit of an element that still has the properties of that element?
A molecule
An electron
A compound
An atom
53
Atoms of an element contain only one type of atom because they each contain the same number of
nucleous
neutrons
electrons
protons
54
What planet has the shortest orbit around the Sun? A. Mercury B. Venus C. Earth D. Mars
Mars
Earth
Mercury
Venus
55
A girl riding on a skateboard at 3 m/s suddenly hits the curb. The girl will fall
forward at a speed equal to 3 m/s
forward with a speed greater than 3 m/s
backward with a speed greater than 3 m/s
backward at a speed equal to 3 m/s
56
Planets orbit around
comets
galaxies
stars
nebula
57
Which of the following is a negative impact caused by mining for resources? The mining industry
practices reclamation procedures when a mine closes.
contributes to the economy and provides employment.
uses techniques that cause metals to enter the water supply.
58
Convection in the oceans and atmosphere is a result of the difference in
mass
volume
temperature
weight
59
What theory provides the explanation that diseases are caused by microorganisms?
Cell Theory
Infection Theory
Germ Theory
Immune Theory
60
The water cycle would not occur if which of the following were missing?
Plants
Animals
Ice caps
Solar energy
