When water from the ocean freezes near the poles the ocean salinity will increase. A. True False B. 2. As you descend into the ocean the salinity of the water increases A. True False B. 3. Is salt water or fresh water more dense? A. Salt Fresh B. C. Neither(they are the same) 4. Fish need Carbon Dioxide to survive. A. True False B. 5. Is hot or cold water more dense? A. Hot Cold B. C. Neither(they are the same) 6. There is a small amount of light in the transition zone. A. True False B. 7. Sodium chloride is the scientific name for _______________________ 8. If you increase the volume of something but keep its mass the same, what are you doing to the density? A. Increasing it Decreasing it B. C. Keeping it the same. 9. As you descend into the ocean the amount of light in the water increases A. True False B. 10. A diver may get "the Bends" if which type of gas forms bubbles in their blood when swimming to the top too quickly. A. Oxygen Carbon Dioxide B. C. Nitrogen D. Helium 11. As you descend into the ocean the density of the water increases A. True False B. 12. A good synonym for mass is A. weight volume B. C. D. E. thickness size compactness 13. Water evaporating from the ocean would decrease the salinity of the water A. True False B. 14. There are a few reasons why an area may have a high salinity. Which is the main reason that the Dead sea has this situation? A. Evaporation Precipitation B. C. Freezing D. Depth of the water 15. What part of ocean water is salt? A. 35% 35 parts per thousand B. C. .35% D. 3.5 parts per thousand 16. As you descend into the ocean the temperature of the water increases A. True False B. 17. Salt water needs a lower temperature to freeze. A. True False B. 18. Water around the mouth of a river will have a higher level of salinity A. True False B. 19. We can calculate the density of something by A. weighing it Dividing the volume by the mass B. C. Multiplying the volume by the mass D. dividing the mass by the volume multiplying the mass by the volume E. placing it in water F. 20. A good synonym for volume is A. weight distance B. C. thickness D. size compactness E. 21. If the upward force on an object is more than the downward force then the object will_____________________. 22. Which of the following things decrease as you descend into the ocean?(can be more than 1 answer) A. Density Pressure B. C. Salinity D. Gasses(oxygen and carbon dioxide) Temperature E. Light F. 23. You have a mystery item which you put into a tub of water. The mystery item floats in the water. You now know that the mystery item is _____________________ than water A. more dense less dense B. C. higher in salinity D. lower in salinity 24. Salt in water does all of the following except for A. It lowers the freezing temperature of the water It increases its buoyancy B. C. It increases its density D. It increases its volume 25. The Justin Bieber doll weighs 10 ounces and it takes up 100 cubic centimeters. It's density is ____________ A. 10 ounces per cubic centimeter 1 ounce per cubic centimeter B. C. 1000 ounces per cubic centimeter D. .1 ounce per cubic centimeter 26. To determine the amount of density for something you need to ________________________ the amount of mass and the amount of volume. A. add subtract B. C. multiply D. divide 27. Mr. Pautler had to move classrooms so he got this huge box that was 10ft2. When he filled it with books it weighed 70 pounds. Now this was no problem for him to carry, but as he is a scientist he was wondering what the density of the box would be. The density of the box would be _______________ lbs/ft2