1 / 28

Modesto Area Partners in Science Original MAPS logo designed by Carolyn Murov

mariankelly
Download Presentation

Modesto Area Partners in Science Original MAPS logo designed by Carolyn Murov

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MAPS strives to raise the level of science literacy in the Modesto area by presenting free monthly community science presentations during the academic year. The short and quick 23 question science literacy quiz that follows has been designed primarily to educate rather than assess. Enjoy and learn. Modesto Area Partners in Science Original MAPS logo designed by Carolyn Murov – children pondering the earth

  2. 1. About what percentage of the human body is water? • 55 to 70% • 30 to 40% • 10 to 25 % • d. Less than 10%

  3. What is the main function of • red blood cells? • a. Fight disease in the body • b. Carry oxygen to all parts of the body • c. Help the blood to clot b.

  4. 3. Which gas makes up 78% of the Earth’s atmosphere? a. Hydrogen b. Carbon dioxide c. Argon d. Water e. Oxygen f. None of the above 0.00005% (#11) 0.04% (#5) 0.93% (#3 or #4) 0-4% (#3 or #4) 21% (#2) 78% (#1) None - Nitrogen

  5. 4. The previous slide showed the ozone layer near the top of the stratosphere. Which one of the following types of solar radiation does the ozone layer and sunscreen protect us from? • X-rays b. Infrared • c. Ultraviolet d. Microwaves Low energy High energy c.

  6. 5. Which type of wave travels the slowest? • Sound waves • Ultraviolet light waves • Visible light waves • Infrared light waves • All travel at the same speed. a. 0.34 km/sec = 761 mph  299,792 km/sec The same 186,282 miles/sec 671,000,000 miles/hr Sound cannot travel in a vacuum but would take about 14 years compared to 8 minutes for light

  7. 6. Of the following, which has the smallest mass? • Proton b. Neutron c. Electron • d. Helium atom 1.672x10-24 g 1.675x10-24 g 9.109x10-28 g 6.64x10-24g Helium atom Electrons are teeny, tiny (1/1835) compared to the mass of an atom, protons or neutrons.

  8. 7. Which of the figures below according to scientific evidence best represents the positions of the continents on earth 200 million years ago? b. a. TRUE! d. c.

  9. 8. Which one of the following gases does not contribute to global warming? a. Carbon dioxide b. Water c. Methane d. Freon (e.g. CCl3F) e. Oxygen (O2) f. Nitrous oxide (NO)  e. O O2 - the oxygen we need O3 • Normal oxygen (O2) does not trap energy in the atmosphere. However, ozone (O3) does but it is a gas that is needed in small amounts in the stratosphere to filter out UV. Ozone is also very toxic.

  10. 9. Does nanotechnology deal with things that are extremely: a. Hot b. Cold c. Large d. Small d. Small

  11. 10. Seasons on earth are the result of: • The elliptically shaped orbit of earth • The rotation of the earth • The moon’s influence • The tilt of the earth • None of the above d. The tilt, not distance as the ellipse is very close to a circle. See Private Universe at:http://www.youtube.com/watch?v=p0wk4qG2mIg

  12. 11. Which is an example of radioactive decay? a.. Nuclear fission b. c. Nuclear fusion 2 types of radioactive decay

  13. 12. The earth is about how many years old? • 6000 years b. 4.5 million years c. 4.5 billion years • d. 13.8 billion years e. None of the above Age of universe! The earth has been dated using several methods. Uranium-238 has a half-life of 4.5 billion years. Experiments show half of it has decayed since the origin of the earth meaning the earth is 4.5 billion years old. 99.3% of naturally occurring Uranium is U-238 but only U-235 undergoes fission. Separation is expensive and difficult and causes huge political issues.

  14. 13. Which natural resource is extracted in a process known as “fracking”? a. Coal b. Gold c. Salt d. Natural gas e. None Natural gas –  95% methane (CH4) c.

  15. According to strong evidence, what caused the • extinction of the dinosaurs 65 million years ago? • Comet tail b. Asteroid c. Volcanic explosions • d. humans b.

  16. 15. Which is an example of a chemical reaction? a. Water boiling b. Sugar dissolving c. Nails rusting a and b are physical, not chemical changes. c.

  17. 16. If 2 objects of the same size and shape but different mass are dropped, which statement is true? • The heaviest mass will fall faster • The lightest mass will fall faster • c. They will fall at the same rate c. Galileo is given credit for discovering that the falling rate is not dependent on mass but the story that he did this experiment on the Leaning Tower of Pisa is subject to question.

  18. 17. In our very complex U.S. measurement system, 1 cubic ft of water occupies 7.48 gallons and weighs 62.43 lbs. In the metric system, 1000 cm3 of water occupies _____ Liters and has a mass of close to ____g. • 1000 Liters, 1000 g • Exactly 1 L, 1000 g • 0.1 L, 100 g • 0.001 L, 1 g • None of the above • The metric system is much easier for many reasons: • Units are related by powers of 10 instead of factors of • 3, 4, 12, 16, 5280, etc. • 2. Volume and distance cubed are exactly related , 1 mL = 1 cm3 • 3. For water, 1 cm3 1 g (exact at 4oC, 0.998 g at 20oC) • Internationally accepted (only 1 set of tools needed) • No ridiculous abbreviations (e.g. lbs)

  19. Which one of the • following is not true? • A solution with pH = 3 • is more acidic than one • with pH = 7 • For pH = 7, the solution • is neutral or the • hydrogen ion = hydroxide ion • pH means the negative of the • logarithm (base 10) of the • hydrogen ion concentration • Orange juice typically has a • pH of between 8 and 9 d. Is false!

  20. Which is the better way to determine whether a new drug • is effective in treating a disease? If a scientist has a group • of 1,000 volunteers, should he/she: • Give the drug to all of them and see how many get better • Give the drug to only half and give placebo to other half • Same as b but volunteers and staff do not know which group is getting drug being tested. c.

  21. 20. Which one of the following statements is true? a. Amoxicillin is effective against a virus b. Aspirin increases the risk of Reye’s syndrome in children c. Measles vaccine can cause autism bacteria b. FALSE! By Mayo Clinic Staff Reye's syndrome is a rare but serious condition that causes swelling in the liver and brain. Reye's syndrome most often affects children and teenagers recovering from a viral infection. Though aspirin is approved for use in children older than age 2, children and teenagers recovering from chickenpox or flu-like symptoms should never take aspirin. Talk to your doctor if you have concerns. Amoxycillin Resistance to antibiotics Is sharply increasing.

  22. 21. The genetic code can be found in the sequence of the bases, thymine, adenine, cytosine, guanine in: a. Adrenaline b. Insulin c. Hemoglobin d. DNA e. None of the above d. DNA

  23. 22. Which one of the following represents photosynthesis? • Octane + oxygen  carbon dioxide + water • b. combustion d. c. b represents photosynthesis D represents the light initiated synthesis of Vit. D, the sunshine Vit. C is the 1st step of the vision process in the eye.

  24. 23. Darwin proposed that only the fittest of animals live to pass on their traits to their offspring. This forms the basis for his theory of ____as the main force behind evolution. • Creationism • Natural selection • Survival of the fittest • None of the above Charles Darwin

  25. http://www.pewresearch.org/quiz/science-knowledge

  26. Foreign-born graduates whose highest degree is in S&E, by level and field of degree: 2010

  27. The U.S. needs to increase interest and the literacy level in science related fields. With your family, please visit science museums (see next slide), attend science events (MAPS, MJC Science Colloquia, State Theater Science on Screen, Elementary, Regional and NOCAL Science Olympiads, Science Fairs, Science Bowl, Science Open Houses (MJC Wild Planet Day, CSU and high schools) and support science related organizations.

  28. GREAT VALLEY MUSEUM OF NATURAL HISTORY MJC West Campus Fresno Sacramento California Academy of Sciences In Lodi Oakland, CA

More Related