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Start 1 2 1 4 3 2 1 4 3 2 1 4 3 2 4 3 Cat 1Cat 2Cat 3Cat 4.

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Presentation on theme: "Start 1 2 1 4 3 2 1 4 3 2 1 4 3 2 4 3 Cat 1Cat 2Cat 3Cat 4."— Presentation transcript:

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2 Start

3 1 2 1 4 3 2 1 4 3 2 1 4 3 2 4 3 Cat 1Cat 2Cat 3Cat 4

4 1 How much of Earth’s surface is water? a. 1/3 b. ½ c. ¾ d. 7/8 What is ….c Click here for answer back

5 2 True/False Oceans are salty, and fresh water is not. back Click here for answer What is ….true

6 3 True/False Air pressure is higher at the top of the mountain. back Click here for answer What is ….false

7 4 Why is the Baltic Sea less salty than other seas? a.Many rivers flow into the Baltic Sea. b.Deserts surround the Baltic Sea. c.Water travels very quickly through the Baltic Sea. back Click here for answer What is ….a

8 1 What powers the water cycle that makes fresh water from the ocean? a.Lakes and river b.Rain c.Clouds d.Sun’s energy back Click here for answer What is ….d

9 2 True/False When moist air rises, the moist air cools, and the water vapor condenses into clouds. back Click here for answer What is ….true

10 3 What is condensation? a.Rain becoming water vapor as it warms b.Water vapor becoming liquid water as it cools c.Rain becoming ice when it cools back Click here for answer What is …b.

11 4 Where does most of the salt in ocean water come from? a.Soils b.Rain and rocks c.Soils and rocks back Click here for answer What is ….c

12 1 What is evaporation? a.It is a huge body of air that has nearly the same temperature and humidity. b.It is the changing of liquid water into water vapor. c.It is the amount of water vapor in the air. back Click here for answer What is ….b

13 2 Which of these will measure air pressure? a.Barometer b. Condensation c. anemometer back Click here for answer What is ….a

14 3 What is humidity? a.How strong the wind is b.Whether air pressure is rising or falling c.The amount of water vapor in the air back Click here for answer What is ….c

15 4 True/false You often see clouds along a cold front because cold air moves above the warm air to form clouds. back Click here for answer What is ….false

16 1 True/False Clouds are classified by their shape, size, and color. back Click here for answer What is ….true

17 2 In which way are greenhouse gases beneficial? a.They help keep the Earth warm. b.They may cause the polar ice caps to melt. c.They have caused global changes in temperature. back Click here for answer What is ….a

18 3 True/false Warm air moves over the top of cold air at a warm front because cold air is more dense than warm air. back Click here for answer What is ….true

19 4 True/False A wind vane measures air pressure. back Click here for answer What is ….false

20 1 back Click here for answer What is ….

21 2 back Click here for answer What is ….

22 3 back Click here for answer What is ….

23 4 back Click here for answer What is ….


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