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Welcome to... A Game of X’s and O’s. Another Presentation © 2000 - All rights Reserved.

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Presentation on theme: "Welcome to... A Game of X’s and O’s. Another Presentation © 2000 - All rights Reserved."— Presentation transcript:

1 Welcome to... A Game of X’s and O’s

2 Another Presentation © All rights Reserved

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4 Scoreboard X O Click Here if X Wins Click Here if O Wins

5 1 What changes when a book’s location relative to a reference point changes? a.The book’s position b.The books force c.The reference points speed d.The book’s volume

6 1 The book’s position Home

7 2 A student stirs some sugar into a glass of water. Which of these is the solute? a.The water b.The sugar c.The volume d.The mass

8 2 The sugar Home

9 3 Why don’t populations in ecosystems keep increasing forever? a.There are unlimited resources b.There are limiting factors c.Some animals always move away d.There is never enough water

10 3 There are limiting factors Home

11 4 Which statement best describes a gas? a.It has no fixed volume but has a fixed shape b.It has a fixed volume but no fixed shape. c.It has a fixed shape and a fixed volume. d.It has no fixed shape or fixed volume.

12 4 It has no fixed volume or fixed shape. Home

13 5 Which of these is a way to communicate the results of an investigation? a.Include controlled variables b.Make qualitative observations c.Make graphs and diagrams d.Draw valid conclusions

14 5 Make graphs and diagrams Home

15 6 Why is weathering a destructive process? a.It moves material from one place to another. b.It wears down Earth’s surface. c.It builds up Earth’s surface d.It involves gravity

16 6 It wears down Earth’s surface Home

17 7 What will most likely happen if the force applied to a moving object increases? a.The object’s motion will change more. b.The object’s motion will change less. c.The force of gravity acting on the object will increase. d.The force of gravity acting on the object will decrease.

18 7 The object’s motion will chane more. Home

19 8 How is a hypothesis different from a testable question? a.Only a hypothesis predicts something b.Only a hypothesis includes an independent variable. c.Only a question predicts something. d.Only a hypothesis is used in scientific investigations

20 8 Only a hypothesis predicts something Home

21 9 Evaporation separates the parts of a mixture by___________. a.Changing a liquid to a solid b.Changing the liquid to a gas c.Changing the solid to a liquid d.Changing the gas to a solid

22 9 Changing the liquid to a gas Home

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