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CSET Science Vocab 2

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Reproductive haploid cells that combine to creat a zygote.






2. A way to date organic substances based on the carbon -14 remaining.






3. An identical copy of an organism.






4. The study of what causes motion.






5. Small proteins that stimulate viral resistance in cells.






6. Atoms of the same chemical element with a different number of neurons but the same number of protons. Isotopes of an element have the same atomic number but may not have the same mass.






7. Floating aquatic plants (phytoplankton) and animals (zooplankton).






8. The Earth's atmosphere is primarily nitrogen and oxygen. The troposphere extends from the surface to about 10 km.; the stratosphere from 10km to 50 km.; the mesosphere from 50 km. to 80 km.; and the thermosphere is the atmosphere beyond 80 km.






9. An instrument that uses air pressure to record height - such as the height of a plane.






10. A layer of tree bramches and other vegetation elevated above ground.






11. The process in which a diploid cell divides to form haploid cells.






12. The fundamental unit of all life. The cell consists of an outer plasma membrane - the cytoplasm - and the genetic material (DNA).






13. A tissue in the uterus through which nutrients pass from the mother to the fetus.






14. The stage of cellular divisions that develops from a zygote.






15. A solute the denotes protons.






16. All the organisms in an area and the environment in which they live.






17. When the sun is highest in the sky and directly above the Tropic of Cancer 23 1/2 degrees North Latitude. This date usually falls on June 22.






18. A term used to describe the coiling strands of DNA molecule that resembles a spiral staircase.






19. A cancer treatment that includes chemicals toxic to mailgnant cells.






20. The network of glands and tissues that secrete hormones.






21. The reproductive mechanism of prokaryotes.






22. Different versions of a gene in a population.






23. An almond shaped cloud usually seen on windy days.






24. Movement of pollen to a plant egg cell - often b y wind - bees - or other animals.






25. Strong upper wind currents in a narrow stream that flow west to east in the United States. Weather patterns are related to the position of the jet stream - which changes often.






26. A cell with two copies of each chromosome.






27. A mammal whose young crawl into it's mothers pouch to complete development.






28. Study and interpretation of fossils.






29. In the United States - the part of the western mountains that seperates water flowing toward opposite sides of the country.






30. Precipitation that evaporates before it reaches the Earth's surface.






31. The movement and collision of gas molecules in the atmosphere that can form into high or low pressure areas.






32. The green substance that absorbs light during photosynthesis.






33. The level of plant and animal between the species and the family.






34. A cell with one set of chromosomes - which is half the regular (diploid) number.






35. The movement up in the atmosphere of heated moisture. Thunderstorms are often caused by convection.






36. `An important class of plant hormones associated with growth patterns.






37. Fluid that circulates throughout the body of an animal - distributing nutrients - and usually oxygen.






38. The physical - chemical - and biological processes by which rock is broken down into smaller pieces.






39. Molten rock flormed in the Earth that may appear on the surface.






40. A disease related to lower levels of insulin.






41. A temperature scale in which 1 degrees Kelvin equals 1 degree Celsius. 0 degree Kelvin is about -273 degree Celsius. Kelvin is called absolute zero because there is no movement of molecules.






42. A rod - shaped bacteria.






43. An organsim that eats meat - which includes animals - fungi - and plants.






44. A group of plants that produce seeds enclosed within an ovary - which mat mature into a fruit.






45. Material deposited by a glacier and often marking a glacier's furthest advance.






46. A single DNA molecule - a tightly coiled strand of DNA - condensed into a compact structure.






47. A relationship between disimilar organisms that is adventageous to one and doesn't affect the other.






48. A warm - dry wind on the eastern side of the Rocky Mountains.






49. The rate of change of an objects velocity.






50. The process by which gas reverts back to liquid phase.