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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. A ridge built in water by organisms such as coral.






2. 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.






3. A hormone needed to transpost glucose to cells.






4. An organism's unique place in the environment.






5. The study of what causes motion.






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






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






8. A temperature scale in which water freezes at 0 degrees and boils at 100 degrees.






9. The tissue in plants that conducts nutrients.






10. A preliminary proposition that can be tested through scientific study.






11. The loutermost layer of the earth.






12. An identical copy of an organism.






13. A dry - north wind in late spring - summer - and early fall in north and central California.






14. In the mateamorphosis of insects - the larva becomes a pupa before it becomes an adult.






15. An organism that relies primarily on plants for food.






16. In plants - a seed includes the embryo.






17. A colorless - odorless gas that is important in the Earth's atmospheric greenhouse effect. Frozen CO2 is dry ice.






18. The reproductive mechanism of prokaryotes.






19. A substance that can lead to cancer.






20. In most Amphibians - a process in which larve goes through significant changes - perhaps including a pupa stage - before becoming an adult.






21. A simple sugar and a product of photosynethesis.






22. Different versions of a gene in a population.






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






24. 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.






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






26. A visible group of water or ice particles in the atmosphere.






27. Compounds that are fats and oils.






28. A disease related to lower levels of insulin.






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






30. The part of Earth located between the crust and the core.






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






32. The green substance that absorbs light during photosynthesis.






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






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






35. A malignant tumor - which forms in the skin and outside of internal organs.






36. An instrument to measure wind speed.






37. The part of flowering plants that contains seeds.






38. Light emission from the upper atmosphere that appear in many shapes and colors.






39. Plants that die after one growing season.






40. The place on the surface of the Earth immediately above the 'focus' of an earthquake.






41. An kinterstellar cloud of dust and gas.






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






43. A system for transporting nutrients and other essential materials throughout the body.






44. The framework for the attatchment of skeletal muscles in vertebrates that also protect vital organs.






45. The larval stage of an aquatic insect.






46. One nautical mile per hour or about 1.15 miles per hour.






47. The portion of the Earth from beneath the mantle to the Earth's center.






48. When the sun is directly over the equator. This date usually occurs on March 20.






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






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