Test your basic knowledge |

Subject : science
Instructions:
  • Answer 37 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. Added to town drinking water (and swimming pools) to kill bacteria






2. A flammable gas that used to be used in blimps (and was contained in the Hindenberg - which caught fire while trying to land in New Jersey over 75 years ago.)






3. 78% of air is this gas






4. For some reason - everyone seems to know that bananas are rich in...






5. Nickels - dimes - and quarters are now made of copper and nickel - but before that they were all made of ...






6. A gaseous element used in brightly colored electric signs






7. The metal the Statue of Liberty is made of...






8. Marie Curie found this element that used to be used to make watch and clock dials glow in the dark. ________________________






9. Many people believe that getting too much salt is bad for you because salt contains






10. Given the name of the coin - it's surprising that only 25% of it is this element






11. 1% of air is this gaseous element






12. When they can't afford diamonds - prospective husbands might buy their fiancees stones made of this element (and probably live to regret it later)






13. People who don't get enough of this metal can suffer from anemia.






14. As far as credit cards go - this is more precious than gold or silver






15. Those painfully bright headlights can contain this gas.






16. This element is widely used in matches and fertilizers.






17. An essential component of computer chips and glass. It's also what most beach sand is made of and is the most abundant element on earth






18. Some medical reports suggest that taking this element helps prevent colds






19. Until the recent discovery of a new planet (or even planets) in our solar system - this element was named after the farthest known planet (or closest dwarf planet) from the sun...






20. Contained in toothpastes and town drinking waters






21. A radioactive gas that sometimes seeps through basement floors and accumulates in poorly ventilated houses






22. ______________________ was the first element found to be radioactive






23. When dissolved in alcohol - this is used to disinfect cuts






24. Pencil lead is mostly ...






25. A metal that is used in car batteries and as a solder to join pipes - and once was contained in paint and gasoline - is a health hazard for people (especially young children) who ingest it.






26. A shiny metal used on automobile bodies - especially the trim






27. A favorite poison of mystery writers.






28. The element that is in the gas with the rotten egg smell






29. Metal used as a filament in light bulbs






30. When this element is burned in a flame - the color is a deep red - just like the gemstone it's named after






31. Radioactive element contained in smoke detectors






32. A liquid metal






33. What the state capitol dome is covered in. _________






34. The nonflammable gas that was used to replace hydrogen in blimps






35. Before there was aluminum foil there was ______________ foil.






36. Deep blue glass often contains this element






37. Found in Pepto-Bismol and makes it pink