Unit 2 Weather And Climate

Test Description: Unit 2 Earth Science 7th Grade

Instructions: Answer all questions to get your test result.

1) About 70% of the surface of our planet is covered by water. Of all the water on Earth, the oceans make up about ______________ %.

2) Why can't we drink salt water from the ocean?

3) Most photosynthetic activity happens in what layer of the ocean?sunlight

4) What do ocean currents move around the Earth that affects climate and weather around the globe?

5) A large volume of water flowing in a specific direction is called (n) _______________.

6) The vertical movement of deep water toward the Earth's surface is called ____________.Upwelling

7) The vertical movement of surface water to deeper parts of the ocean is called _______________. up

8) ____________ currents are caused by changes in temperature and salinity of water.

9) Which of the following is not a characteristic of the deeper layers of our ocean?

10) The transformation of water vapor to liquid is called __________.

11) Our global winds are affected by the rotation of the Earth on its axis. What is this called?

12) The passage of water from a plant to the atmosphere represents what process?

13) What type of ocean currents are driven by global winds?

14) Density currents are caused by changes in the temperature and ____________ of water.

15) What do ocean currents move around the earth that has a large effect on climate?

16) When 2 distinct air masses converge, they form boundaries called ___________.

17) Weather maps can show lines that connect places with similar characteristics. Which lines represent areas of equal temperatures?

18) If you walk outside and there are no clouds, no rain, and just a pretty day, what type of pressure system is most likely covering the area where you are?

19) A ______________ front forms when a cold mass meets a warm but neither have enough force to move the other ass but neither h

20) Where do maritime air masses originate from?


*select an answer for all questions

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