Name: School: Grade: 4 th 5 th Elementary General Science #1 2013-2014 General Directions This test will last for 40 minutes. There are 50 problems on the test. Write all answers on your answer sheet. Always use capital letters on your answer sheet. You may write on the test and show work on the test. You are not required to show any of your work or calculations. You may skip around on the test. All problems have only one correct answer. Calculators may NOT be used on this test. Scoring: All problems correctly answered are worth 5 points. Two points will be subtracted for all problems answered incorrectly. No points are subtracted for problems that are skipped. Tiebreakers: (1) Percent accuracy (2) First problem missed (not counting skips).
Elementary Science Test #1 2013-2014 General Science Test 4 th and 5 th Grade Choose the letter of the best answer. You may skip around on this test. 1. A newton is the international unit of: A. weight B. force C. speed D. distance E. figs 2. Which of these is the fixed point of a lever? A. vertex B. apex C. arch D. origin E. fulcrum 3. What is the primary gas that is breathed out by animals? A. oxygen B. hydrogen C. carbon monoxide D. carbon dioxide E. argon 4. An organism that breaks down dead plants or animals for food is a/an: A. consumer B. predator C. herbivore D. decomposer E. carnivore 5. The deepest layer of Earth is the: A. mantle B. epicenter C. core D. fault E. crust 6. What are tiny cells from which some plants germinate? A. spores B. pores C. fibers D. soles E. photons
PT THINK WORKS 2013-14 SCIENCE #1 PAGE 2 7. As air passes through the trachea, it enters the lungs through the: A. alveoli B. sacs C. veins D. neurons E. bronchi 8. What kind of muscle is also called skeletal muscle? A. fibrous B. variegated C. striated D. smooth E. active 9. From these choices, what is the smallest group in the classification of living things? A. genus B. class C. family D. phylum E. kingdom 10. Rock that forms when melted rock hardens is: A. sedimentary rock B. igneous rock C. metamorphic rock D. mineral rock E. stellar rock 11. Which scientist is known for a process that slows the spoilage of milk? A. Newton B. Edison C. Mendel D. Pasteur E. Einstein 12. Which of these is a bony structure in the human ear? A. stirrup B. dendrite C. leukocyte D. platelet E. nephron 13. The most common gas in Earth s atmosphere is: A. hydrogen B. carbon C. nitrogen D. helium E. oxygen 14. The process by which the nucleus of a particle splits to release large amounts of energy is: A. nuclear fission B. physics C. thermodynamics D. nuclear fusion E. relativity 15. Arachnophobia is the fear of: A. carbon B. poison C. spiders D. snakes E. acid 16. A group of bats is called a colony. A group of lobsters is called a risk. What is a name for a group of camels? A. flock B. pride C. hump D. brood E. army 17. What is the connective tissue that joins bone to muscle? A. tendon B. cartilage C. neutrophil D. ligament E. talon
PT THINK WORKS 2013-14 SCIENCE #1 PAGE 3 18. At sea level on Earth, water boils close to what temperature on the Farhenheit scale? A. 142 B. 100 C. 242 D. 212 E. 182 19. In humans, food passes through the gullet to enter the stomach. Another name for the gullet is the: A. small intestine B. mouth C. esophagus D. bronchus E. trachea 20. In photosynthesis, what do plants change into food by using energy from the sun? A. helium B. nitrogen C. oxygen D. hydrogen E. carbon dioxide 21. The seed leaf is a part of the plant seed that often becomes the first leaves of the seedling. The seed leaf is also called the: A. phloem B. cotyledon C. xylem D. stomata E. vein 22. Which of these bones is located in the arm? A. tarsus B. radius C. carpus D. fibula E. scapula 23. Water is necessary to life on earth. Seven gallons of water weighs about how many pounds? A. 56 B. 28 C. 35 D. 42 E. 14 24. Which scientist is credited for the invention of the screw pump? A. Copernicus B. Galileo C. Archimedes D. Kepler E. Descartes 25. How many eggs are in 17 dozen? A. 170 B. 187 C. 204 D. 221 E. 238 26. What is a branch of biology concerned with the form and structure of organisms? A. ornithology B. oology C. entomology D. cetology E. morphology 27. The basic structural unit of the kidney that filters blood is the: A. necron B. nephron C. newton D. neutron E. nucleus
PT THINK WORKS 2013-14 SCIENCE #1 PAGE 4 28. Which of the following planets is closer to the Sun than Jupiter? A. Uranus B. Saturn C. Mars D. Neptune E. Pluto 29. What is the name for the protein in red blood cells that carries oxygen? A. platelets B. erythrocytes C. hemoglobin D. plasma E. leukocytes 30. What is the name of one of the bones in the human body located between the knee and ankle? A. femur B. pelvis C. radius D. tibia E. scapula 31. The process by which water passes through a membrane into a region of higher solute concentration is called: A. homeostasis B. meiosis C. osmosis D. metamorphosis E. synthesis 32. The highest mountain in Virginia is: A. Guadalupe Peak B. Mt. Mitchell C. Mt. Rogers D. Clingman s Dome E. Pike s Peak 33. Which of these connects bone to bone? A. ligaments B. cartilage C. cotyledon D. spinal cord E. tendons 34. Which of these animals is a rodent? A. deer B. squirrel C. cat D. dog E. bird 35. Which of these has a positive charge in an atom? A. electron B. neutron C. nucleus D. proton E. atoll 36. Red blood cells are made in the liver and. A. lungs B. bone marrow C. kidneys D. heart E. pancreas 37. When salt is dissolved in water, what is the water called? A. mineral B. alloy C. solvent D. mixture E. solute
PT THINK WORKS 2013-14 SCIENCE #1 PAGE 5 38. Which scientist contributed to the field of electromagnetism? A. Galileo B. Newton C. Copernicus D. Archimedes E. Faraday 39. Thomas Edison is credited with the development of the. A. bifocal lens B. telescope C. thermometer D. incandescent lamp E. microscope 40. Which of these describes the rate at which the speed of an object changes? A. acceleration B. inertia C. velocity D. position E. momentum 41. The basic unit of electric current is the: A. volt B. watt C. ohm D. ampere E. mho 42. A community of living and non-living things that work together is called a/an: A. region B. population C. ecosystem D. conjoint E. area 43. Which of these bones is located in the human arm? A. humerus B. fibula C. femur D. tibia E. patella 44. What is the process of converting nutrients into useful energy? A. transport B. respiration C. passage D. rupture E. osmosis 45. Which is a part of the circulatory system? A. axon B. capillary C. dendrite D. tibia E. stirrup 46. What are large molecules made of one or more chains of amino acids? A. protein B. sugar C. carbonate D. peroxide E. water 47. What instrument measures wind speed? A. barometer B. anemometer C. thermometer D. tachometer E. odometer 48. What is the highest point in Texas? A. Pike's Peak B. San Jacinto Peak C. Mt. Austin D. Guadalupe Peak E. Clingman's Dome 49. An adjective that refers to horses is: A. canine B. ovine C. equine D. cervine E. bovine 50. A group of squirrels is called a scurry. A group of horses can be called a herd, team, troop, or stable. What is a name for a group of elephants? A. pride B. parade C. mob D. dole E. horde