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AFOQT General Science

Terms in this set (126)

A Scientist that Studies Animals?
Zoologist
A Group of tissues in the human body which work together to perform a specific function is called a/an?
Organ
In Which order of insects would you find beetles?
Coleoptera
A Scientist who studies insects is called a/an?
Entomologist
Animals that eat plants and other animals are called?
Omnivores
Which planet in the Solar System has the least surface gravity?
Mercury
How many Legs does an Arachnid have?
Eight
A herpetologist would be primarily concerned with the study of?
Reptiles
Excepting the three tiny bones in each ear, how many bones are there in a normal adult skeleton?
Two Hundred
An elephant cannot?
Jump
Blood is returned to the heart through tubes called?
Veins
What kind of bird can build a nest which weighs more than a ton?
Bald Eagle
Ross Geller on the hit series "Friends" was a paleontologist. That means he was involved in the study of?
Dinosaurs
Which planet in the Solar System has the shortest year?
mercury
chloroplasts are found in which type of cells?
Plant
Your forearm contains two bones. One is the Ulna, what is the other one?
Radius
Which planet in our solar system has the longest day?
Venus
Which of Earths natural elements has the highest atomic number?
Uranium
The Lowest or most narrow level of the classification of organisms is called?
Species
Water freezes at what tempature?
0 C
Under natural conditions, large quantities of organic matter decay after each year's plant growth has been completed. As a result of such conditions...
Soils maintain their fertility
Most scientists believe that the reason dinosaurs became extinct was because?
They failed to adapt to the changing enviroment
Which of the following is a chemical reaction?
Burning charcoal in the barbeque
The lightest natural element on earth is?
Hydrogen
Which gas is the most plentiful in the air?
Nitrogen
Where are electrons found in an atom?
In orbital layers around the nucleus
What percentage of all elements are metals?
75
An oxide is formed when an element is chemically combined with what type of specific element?
Oxygen
A very strong acid would have a pH closer to?
1
Carbon has an atomic number of 6. How many protons would the element contain?
6
Elements with the same number of protons, but different numbers of neutrons are called?
Isotopes
What percent of the world's population lives in the US?
6
Which is the deepest ocean?
Pacific
Which of the planets in our solar system has the most known moons?
Jupiter
What does the color of a star signify?
Surface temperature
What Planet does the moon named Io orbit?
Jupiter
In chemistry what are alpha particles?
Helium Nuclei
A Dalton is a unit of measurement for measureing:
Mass
The adult human of average age and size has approximately how many quarts of blood?
6
A person with high blood pressure should?
Avoid Salt
The smallest of the FORMED elements of the blood are the:
Platelets
Spiders can be distinguished from insects by the fact that spiders have?
Four pairs of legs
Polaris is?
The North Star
A fish breathes with?
Gills
The time it takes for light from the sun to reach the earth is approximately?
8 minutes
The type of element an atom is determined by?
Number of protons
A new Drug for treatment of TB was being tested in a hospital. Patients in Group A actually recieved the does of the new drug; those in group B were given only sugar pills. Group B represents?
An experimental Control
Seasons are caused primarily by?
Earth tilting on its axis
Radium is stored in lead containers because?
Lead absorbs the harmful radiation
Planets in our solar system rotate?
Some rotate clockwise and others counter-clockwise
Limes were eaten by the british sailors in order to prevent?
Scurvy
A common name for Sodium Chloride (NaCl) is?
Salt
Of the Following planets, the one which has the shortest revolutionary period around the sun is?
Mercury
What is energy called that is derived from the sun?
Solar
Cells that can be easily scraped from the lining of the mouth are?
Epithelial Tissue
The DNA of a cell is found mainly in its?
Chromosomes
The Reaction between sodium, metal and water can be classified as?
Single replacement
The benificial relationship between termites and the protozoa that inhabit their digestive system is called?
Symbiosis
Which substance can be used to treat drinking water of questionable purity?
Iodine
In the international system of units, the way to measure mass is known as the?
Kilogram
The end product of protein digestion consists of?
Amino acids
The number of atoms in a molecule of CuSO4 x 5H2O is?
21
A magnetic compass points in the direction of?
Local magnetic field
Compounds that include fat and oils found in foods and the human body are?
Lipids
The kinetic energy of a 1 kilogram dropped from 1 meter, just before it hits the ground is?
10 Joules
120-V electrical power supply produces 1/2 A to the load the Power delivered is?
60 Watts
Resistance, the tendency of a material to oppose the flow of electrons, is measured in?
Ohms
Most cells without a cell wall would lack?
Chloroplasts
A magnifying glass is what kind of lens used on objects how far away?
Concave lens used for objects closer than one focal length
The Glucose content of the Blood is regulated by?
Insulin and adrenaline
Frictional forces usually do not?
Increase potential energy
For a solar eclipse to take place, the?
Moon must be between the earth and the sun
The function of an enzyme is to?
Speed up chemical reactions
The earths atmosphere is made up of?
21% Oxygen 78% Nitrogen .03% carbon dioxide
A vibrating tuning fork, placed in a vacum under a bell jar will?
Be inaudible
The three ingredients found most often in commercial fertilizers are?
Nitrogen, phosphorus, potassium
To which organism is the whale most closely related?
Horse
Formula for Dry Ice?
CO2
When an airplane is in flight, the air pressure on the bottom surface of the wing is?
Higher than the top surface
In a vacuum, radio waves and visible light waves have the same?
Speed
Which structure in the Human eye performs the same function as the film in a camera?
Retina
Parallel rays of light, after reflection from a plane (mirror) will be?
Parallel
Which of the following determines the sex of a human baby?
Sperm Cell
Isotopes of the same element have the same number of?
Electrons and Protons
Erosion and depletion are the problems associated with?
Soil Conservation
An insulator is a material with?
Few free electrons
Which of the following is a chemical change?
Burning wood
In atomic structure, what is the negative particle that orbits around a nucleus?
Electrons
The human shoulder joint is which type of joint?
Ball and socket
The Baume Scale is used to measure?
Specific gravity
The thin layer that forms the front part of the eyeball is called?
Cornea
The Antoine Equation is used to?
Estimate the vapor pressure of vapor pressures of pure liquids or solids
Surplus red blood cells needed to meet an emergency, are MAINLY stored in what organ of the human body?
Spleen
The chief nutrient in lean meat is?
Protein
In the human brain, body tempature, metabolism, heart rate, sexual development, sleep and the body's use of fat and water are influenced by?
Hypothalamus
An important ore of uranium is called?
Pitchblende
What causes the stars to twinkle?
Turbulent Air
Clouds that occur at the greatest height/
Cirrus
Fire is a form of?
Energy
After adding salt to water, the freezing point of the water is?
Lowered
Rust is caused by a chemical reaction known as?
Oxidation
When heat is transferred through a solid, the process is called?
Conduction
The time it takes earth to travel 45 degrees?
Three hours
At higher altitudes, water boils:
At a lower temperature
What is the proper pathway of blood through the heart?
Vena cava, right atrium, right ventricle, pulmonary artery, pulmonary vein, left atrium, left ventricle, aorta
Most human digestion takes place in the
Small intestine
Which blood type can be donated to anyone?
Type O
A typical human gamete contains
23 chromosomes
Which of the following is an example of primary consumer?
Deer
The ozone layer is found in the
Stratosphere
What is the layer that is located beneath the earth's crust?
Mantle
The clouds that occur at the highest altitudes are called
cirrus
Life on earth has existed for approximately
3.8 billion years
Which of the following is most responsible for the oceanic tides?
The gravitational pull of the moon on the earth
What is the the formula to convert degrees C to degrees F and vice versa?
F=(9/5)C+32 and C=5/9(F-32)
Which of the following best explains the recoil action of a shooting gun?
Newton's third law of motion (for every action there is an equal and opposite reaction
The most common element in the atmosphere is
Nitrogen
Which of the following waves on the electromagnetic spectrum has the highest frequency?
X-rays
Pure water has a pH of
7, making it a neutral solution
The flat, colored, ring-shaped membrane of the eye is called
Iris
What are the 6 basic animal groups
Amphibians, birds, fish invertebrates, mammals, reptiles
How long does it take the earth to rotate 90 degrees
The earth rotates 360 degrees in 24 hours, therefore it rotates 90 degrees in 6 hours
From nearest to farthest, what is the order of planets from the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
100 degrees C is equivalent to
212 degrees F
The process of water molecules escaping the earth's surface and entering the atmosphere is known as
Evaporation
About how long does it take the earth to complete an orbit of the sun?
1 year
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