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WorksheetsHCAI Quizzers (Science)
Total questions: 80
Worksheet time: 27mins
Which is the most abundant gas in the earth's atmosphere?
Nitrogen
Carbon
Argon
Oxygen
What is the total number of bones in the human body at birth?
196
206
270
512
What type of plate boundary that two or more lithospheric plates collide?
convergent
divergent
transform
transversal
What tool would a meteorologist use to determine the change in air pressure?
wind mill
barometer
weather vane
sun compass
The one day of the year with the longest amount of sunlight is:
vernal equinox
summer solstice
summer equinox
winter solstice
Which scientists was responsible for coining the phrase “Big Bang?”
Fred Hoyle
Albert Einstein
Georges Lemaitre
Edwin Hubble
What is the last phase of mitosis?
Prophase
Metaphase
Anaphase
Telophase
Susan pushes against a 100 kilogram rock with a force of 5 Newtons, but the rock doesn't move. The force the rock exerts on Susan is ______________.
0 Newtons
5 Newtons
20 Newtons
100 Newtons
Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium?
John Dalton
Dmitri Mendeleev
Emil Fischer
Marie Curie
What is the name of the closest star to our solar system?
Rigil Kentaurus
Wolf 359
Proxima Centuri
Sirius A and B
What year did Neil Armstrong walk on the moon?
1969
1957
1972
1963
Who is the first woman in space?
Valentina Tereshkova
Sally Ride
Peggy Whitson
Svetlana Savitskaya
What was the name of the first animal sent into space?
Albert
Alwin
Laika
Lucy
What was the name of the first man-made satellite sent into space?
Voyager I
Sputnik I
SkyLab
Apollo
Convert 88 kg to mg
8.8 mg
88000 mg
0.0000088 mg
88000000 mg
Which of the following terms identifies the change from a solid to gas?
deposition
sublimation
condensation
recombination
Which group contains the Noble gases?
15
16
17
18
In what layer of the Earth’s atmosphere does most of our weather occur?
mesosphere
troposphere
stratosphere
thermosphere
What is the normal pH of human blood?
6.0
5.5
7.4
8.1
What is the Latin name for Silver?
Stannum
Aurum
Argentum
Hydrargyrum
What vascular tissue brings water and minerals to the leaves?
phloem
xylem
cambium
rhizomes
Approximately how many different types of cells make up the human body?
200
120
80
50
How many chromosomes per cell does a Down's Syndrome victim have?
44
45
46
47
The random movement of particles in solution toward a uniform distribution is termed ___________.
osmosis
repulsion
diffusion
facilitated diffusion
Octopus and squid belong to the class of mollusks known as __________.
cephalopoda
bivalvia
gastropoda
polyplacophora
In which of the branches of chemistry would the development of a theory about how a reaction takes place best be carried out?
analytical
inorganic
organic
physical
Who invented the battery?
Alessandro Volta
Pierre Curie
Thomas Edison
Nikola Tesla
All systems of measurement use the same units for which of the following?
mass
time
force
volume
In a photosynthesis reaction, chlorophyll is a/an ___________.
reactant
product
catalyst
intermediate
Mayonnaise is an example of a/an _________________.
coalescent solution
hydrogenated oil
covalent solution
emulsion
The inventor of the Kelvin temperature scale was ____________.
K. Cavendish II
Lord William H. Harrison
Sir William Thomson
Daniel Gabriel Fahrenheit
Hydrocarbons that contain a triple bond between carbon atoms are known as _______________.
aromatic
alkenes
alkynes
alkanes
How many atoms of oxygen are in a glucose molecule?
2
6
10
12
Pure water is approximately in what molar concentration?
0.555 mol/L
5.55 mol/L
55.5 mol/L
550 mol/L
Among the following, the substance that is considered to be the earliest stage in coal formation is ______________.
sub-bituminous
bituminous
anthracite
lignite
In the periodic table, which of the following identifies a horizontal row?
period
group
family
series
Which of the following is the element represented by the symbol B?
Barium
Bismuth
Boron
Beryllium
A Poise is the unit of measure of which of the following?
pressure
viscosity
force
mass
A solution with a pH of 12 is __________.
weakly acidic
strongly acidic
weakly basic
strongly basic
If a biker traveled at an average speed of 3 meters/second for 100 seconds, the length of the biker’s path was about ____________.
33.33 meters
300 meters
103 meters
97 meters
Which of the following moves in the form of a longitudinal compression wave?
ocean wave
light wave
sound wave
electromagnetic wave
A series of amino acids joined together will make _____________.
polysaccharide
deoxyribonucleic acid
sugar
protein
Zinc, an element, has an atomic number of 30 and an atomic weight of 65.38. This means it must have ______________.
30 electrons, 35 protons, 30 neutrons
35 electrons, 30 protons, 30 neutrons
35 electrons, 35 protons, 30 neutrons
30 electrons, 30 protons, 35 neutrons
The disappearance of the dinosaurs also marks the end of which geological era?
Precambrian
Cambrian
Mesozoic
Cenozoic
Which of the following areas is closest to the total surface area of the earth in square kilometers?
500 million
5 million
500 billion
5 billion
Which of the following is the name of the partly melted rock layer on which the plates move?
lithosphere
hydrosphere
asthenosphere
outer core
The mineral halite is ___________.
potassium chloride
calcium chloride
sodium chloride
calcium bromide
Which of the following is an igneous rock?
Granite
Shale
Slate
Coal
Which of the following terms is used to describe the appearance of a mineral in transmitted light?
diaphaneity
opaqueness
translucence
porosity
What percentage of the earth's atmosphere does O2 comprise?
75%
21%
50%
32%
Hippocrates is traditionally considered to be the father of which branch of science?
Anthropology
Sociology
Medicine
History
Who discover the proton?
J.J. Thompson
Ernest Rutherford
Eugen Goldstein
James Chadwick
This process is responsible for energy generation in stars and is used in hydrogen bombs.
Nuclear Fusion
Nuclear Reaction
Nuclear Fission
Nuclear Energy
The union of an ovum and sperm inside a test tube is _________.
Sexual Reproduction
In Vivo Fertilization
In Vitro Fertilization
In Silico Fertilization
The protein shell of a virus is called _________.
virion
nucleolus
capsid
cytoplasm
Which 2 chemical factors cause decomposition?
Putrefaction and respiration
Autolysis and putrefaction
Autolysis and photosynthesis
Death and cellular respiration
An important endocrine gland that is shaped like a bow-tie and located in the neck is called ____________.
pituitary gland
adrenal gland
thyroid gland
pineal gland
Which organism is an example of a fungus use in raising a bread?
Algae
Yeast
Euglenoids
Entamoeba
What is the first micro-satellite launched by the Philippines?
Divina
Diwata
Bathaluman
Babaylan
Which of the following correctly lists electromagnetic waves in order from longest to shortest wavelength?
television, infrared, visible light, x-rays
radiowaves, infrared, gamma rays, ultraviolet
gamma rays, ultraviolet, infrared, microwaves
microwaves, ultraviolet, visible light, gamma rays
What is the process in removing excess odor in water?
sedimentation
chlorination
aeration
distillation
The term RADAR is derived from the phrase?
Radio Detection and Ranging
Radiation Diffusion and Ranging
Radio Diffraction and Resolution
Radiation Diffraction and Resolution
The average temperature was recorded at 35 degrees C. What is the equivalent in Kelvin?
308
300
273
360
Which of the following planets rotates in retrograde?
Mars
Jupiter
Venus
Neptune
If a voltage of 100 volts produces a current of 5 amperes in an electrical device, what is the resistance?
95 Ohms
20 Ohms
105 Ohms
500 Ohms
Robert Edwin Peary claimed to be the first person to reach what location?
Moon
North Pole
Marianas Trench
Summit of Mount Everest
When a plant cell is placed in a hypertonic solution, the plant cell will ____________.
expand
rupture
shrink
not affected
The point in the Earth’s orbit when the Earth is the closest from the sun is called ___________.
perihelion
aphelion
apogee
perigee
The muscle which is under involuntary control is ___________.
striated
skeletal
smooth
streched
In the human brain, body temperature, metabolism, heart rate, sexual development, sleep and the body's use of fat and water are influenced by this region of the brain.
hypothalamus
medulla oblongata
corpus callosum
cerebellum
What is the largest internal organ of the human body?
skin
heart
liver
brain
What is the scientific study of fishes?
Ornithology
Ichthyology
Entomology
Phycology
A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as ____________.
Cinder Cone
Fissure
Shield
Composite
This law states that the force acting upon an object is equal to the product of the mass and acceleration of the object.
Newton’s 2nd law of motion
Newton’s 3rd law of motion
Newton’s 1st law of motion
None of the choices
What is the term for tropical storm in South Pacific and Indian Ocean?
Hurricane
Cyclone
Typhoon
Whirl
