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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. 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.






2. Study and interpretation of fossils.






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






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






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






6. Cell division consisting of prophase - metaphase - anaphase - and telophase - that usually creats in two new nuclei - each with a full set of chromosomes.






7. The flow of a charge.






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






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






10. Fertilization of one plant by pollen from a different plant species.






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






12. Plants that die after one growing season.






13. A rod - shaped bacteria.






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






15. The green substance that absorbs light during photosynthesis.






16. 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.






17. The study of the interactions of organisms with their environment and with each other.






18. The process by which seeds develop into seedlings.






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






20. The part of flowering plants that contains seeds.






21. The movement of plates and the interaction across the Earth's surface to form land masses.






22. A level of plant and animal classification between class and kingdom.






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






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






25. A solute the denotes protons.






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






27. A cell with two copies of each chromosome.






28. Long term patterns of temperature - humidity and amount of sunshine.






29. A protein that aids biochemical reactions.






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






31. A cell that reacts to stimuli and transmits impulses consisting of a body with a nucleus and dendrites to receive and axons to transmit impulses.






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






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






34. Warming of Pacific Ocean seawater along the coast of South America that leads to significant weather changes in the United States.






35. A system comprised of the brain and spinal cord in vertebrates that process and store information.






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






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






38. A process through which organisms make nutrients available to cells.






39. The part of the gut that connects the pharynx and stomach.






40. A loud nise caused by a shock wave when an object exceeds the speed of sound.






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






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






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






44. The process by which gas changes directly to the solid phase.






45. 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.






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






47. An instrument that measures cloud height.






48. 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.






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






50. Different versions of a gene in a population.