ACT Science2 Word Scramble
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Term | Definition |
atmosphere | a gaseous envelope that encloses a celestial body |
Big Bang | the theoretical origin of the universe that it was created when a sudden expansion from a single point infinite density |
ecosystem | a community of organisms and their environment |
gas | a fluid having neither shape nor volume and tending to expand indefinitly |
heteroptrophs | an organism that requires organic compounds of carbon and nitrogen for it metabolic processes |
mantle | the part of the Earth below the crust and outside of the core. |
crust | the outer layer of a planet or moon |
core | the central part of a planet, moon or star |
neutrons | a particle without a charge that forms a part of all atoms. |
protons | a positively charged particle that forms part of the nuclei of all atoms |
electrons | a negatively charged particle |
rotation | the movement of a celestial body around a central axis |
universe | the entire body of matter or phenomena |
equilibrium | a state of balance between opposing forces |
half-life | the time in which half of the atoms of a radioactive substance disintrigates |
molecule | the smallest unit of a substance composed of more than one atom. |
nucleus | controls all the functions of the cell |
regeneration | the replacement of a body part through growth of new tissue |
turgor | the normal distention of cells caused by pressure |
evolution | the development of a species over history including genetic modifications |
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JasperACTprep
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