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






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






3. Those painfully bright headlights can contain this gas.






4. Radioactive element contained in smoke detectors






5. 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...






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






7. Pencil lead is mostly ...






8. 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.)






9. Contained in toothpastes and town drinking waters






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






11. ______________________ was the first element found to be radioactive






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






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






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






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






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






17. Before there was aluminum foil there was ______________ foil.






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






19. 78% of air is this gas






20. Found in Pepto-Bismol and makes it pink






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






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






23. A favorite poison of mystery writers.






24. 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






25. A gaseous element used in brightly colored electric signs






26. 1% of air is this gaseous element






27. Metal used as a filament in light bulbs






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






29. Added to town drinking water (and swimming pools) to kill bacteria






30. A liquid metal






31. Deep blue glass often contains this element






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






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






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






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






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






37. 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.