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Chemistry
Hydrosphere
Geologic Time
Microbiology & Disease
RaNdOm TeRmS
100
What is the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table?
Atomic Number
100
What is all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds?
Hydrosphere
100
What is the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock?
Fossil
100
What is a widespread occurrence of an infectious disease in a community at a particular time?
Epidemic
100
What is the process by which plants and some other organisms use sunlight to make their own foods from carbon dioxide and water?
Photosynthesis
200
Who was the Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements?
Dmitri Mendeleev
200
What does EPA stand for?
Environmental Protection Agency
200
What is a type of fossil found in any rock when organic material is compressed, leaving only a carbon residue?
Carbon Film
200
What is a substance used to build up antibodies to fight off an infectious disease?
Vaccine
200
Who was an English naturalist and geologist, & was best known for his contributions to evolutionary theory?
Charles Darwin
300
What is paper used to indicate the acidity or alkalinity of a substance?
Litmus Paper
300
What is a body of permeable rock that can contain or transmit groundwater?
Aquifer
300
What is a scientist who studies fossils called?
Paleontologist
300
What is a medicine that prevents the growth of or destroys microorganisms?
Antibiotic
300
What is any class of compounds that are of fatty acids?
What is any class of compounds that are of fatty acids?
400
What is the principle that matter cannot be created or destroyed?
Law of Conservation of Mass
400
What is a measure of water clarity how much the material suspended in water decreases the passage of light through the water. Suspended materials include soil particles (clay, silt, and sand), algae, plankton, microbes, and other substances.
Turbidity
400
What is the process of determining the exact age on a specified time scale in archaeology and geology?
Absolute Dating
400
What is a bacterium, virus, or other microorganism that can cause disease?
Pathogen
400
What is the process by which the DNA of an organism is cut and a gene, usually from another organism, is inserted?
Gene Splicing
500
What is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction?
Molecule
500
What is excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen?
Eutrophication
500
What states that most sedimentary layers of rock are deposited in a horizontal position?
Law of Original Horizontality
500
What is a kind of asexual reproduction that after replicating its genetic material, the cell divides into two nearly equal sized daughter cells?
Binary Fission
500
What is the process of reduction in the pH of the ocean over an extended period time?
Ocean Acidification