Quiz Review – Ch.12-1 “Earth’s Oceans” CB: __(your name)___

Mark it right OR wrong. Each problem is worth 1 point. For each Question

#1 Name four different oceans of the world. There are 5 major oceans on Earth. For this question they only had to name four. (spelling doesn’t count) Pacific Ocean Atlantic Ocean Indian Ocean Arctic Ocean Southern Ocean #1 Name four different oceans of the world.

As long as their definitions are similar, they get the answer correct. Salinity: Measures how much salt is in a liquid Thermocline: Layer of ocean where the temperature gets colder the deeper you go. #2 In your own words, write the definitions for salinity and thermocline.

#3 Ocean salt has a unique name. What is it? Only one possible answer. SODIUM CHLORIDE #3 Ocean salt has a unique name. What is it?

#4 Name the three major zones of the ocean. Spelling doesn’t count. Surface Zone Thermocline Zone Deep Zone #4 Name the three major zones of the ocean.

#5 Which is more dense, ocean water or fresh water? Why? Their answer must be similar to one these answers below. The large amounts of dissolved solids in ocean water make it more dense. All of the salt in the ocean makes it more dense. Because the ocean is so cold, it becomes more dense. #5 Which is more dense, ocean water or fresh water? Why?

#6 What causes convection currents? Cross out this question!!! We are not ready to answer it. Instead you have an opportunity to get your classmate a bonus point. Go to the next slide. You will answer a BONUS QUESTION on their paper. If you get it correct, they get a bonus point. #6 What causes convection currents?

BONUS QUESTION: Why are the thermocline and deep zones colder than the surface zone? Raise your hand when you have answered to get the bonus question checked. Bonus question - If you (the grader) get it correct, they get ONE bonus point.

+___ / 5 # correct out of 5 5 points possible If you got the bonus question correct, give them 1 bonus point. +___ / 5 # correct out of 5