Eighth Grade Science Crossword Puzzle

QUESTIONS LIST:

• electrons : a stable subatomic particle with a charge of negative electricity, found orbiting the nucleus of an atom
• period : the name given to a horizontal row of the periodic table
• pandemic : a disease that has spread over a whole country or the world
• producer : an organism, either a green plant or bacterium, which is part of the first level of a food chain
• solute : the substance that is dissolved in a solution
• isotope : each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
• fossil : the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
• niche : the role or function of an organism or species in an ecosystem
• matter : has mass and takes up space
• outbreak : the sudden start of a disease
• abiotic : physical rather than biological; not derived from living organisms
• lipids : fatty acids that include many natural oils, waxes, and steroids
• symbiotic : the relationship between diverse organisms that live together
• products : a substance that is formed as the result of a chemical reaction. products are on the right side of a chemical equation
• element : a substance that cannot be broken down into simpler substances by chemical means
• genetics : the study of heredity and the variation of inherited characteristics
• homogeneous : uniform, same throughout
• exothermic : reaction that produces heat as the reaction proceeds
• extinction : the state or process of a species, family, or larger group ceasing to exist; the species has vanished
• metabolism : the chemical processes that occur within a living organism in order to maintain life
• density : physical property; mass divided by volume
• epidemic : a widespread occurrence of an infectious disease in a community at a particular time