Double JeopardyReview

1. Double JeopardyReview Created by Ms. Chavez

2. Final DOUBLE Jeopardy 1 2 3 4 5 $200 $200 $200 $200 $200 $400 $400 $400 $400 $400 $600 $600 $600 $600 $600 $800 $800 $800 $800 $800 $1000 $1000 $1000 $1000 $1000

3. How would a combination of pebbles and water be similar to a combination of sand and water? A They are solutions. B They are evenly disbursed. C They are mixtures. D They dissolve in the water. C.

4. Gold is a very soft metal that is used in jewelry. Since the metal is so soft, it mixed with copper to give it more strength. To do this, both materials are melted into a liquid, and mixed together to form a solution. When completely mixed together, it is cooled back down into a solid. Which of the following combinations is most like the material that makes up gold jewelry? F iron in water G sand in water H salt in water J pebbles in water H.

5. Salad Chocolate Chip Cookie Vegetable Soup Which of the following is TRUE of each mixture above? A Each mixture is made up of matter. B Each mixture is also a solution. C Each mixture has a part that dissolves. D Each mixture has the same physical properties. A.

6. How are the salad and the vegetable soup mixtures different? F The salad mixture is uniform, while the soup is non-uniform. G The soup mixture is uniform, while the salad is non-uniform. H The salad mixture is made from two states of matter, while the soup is only one state of matter. J Some of the material in the soup has dissolved, while nothing in the salad has dissolved. J.

7. When classifying mixtures and solutions which of the following would be in its own separate category? A water in cup B trail mix made with dried fruit, nuts, chocolate drops, and pretzels C sand, salt, and rocks in a bucket D rocks and sand in the ocean A.

8. DAILY DOUBLE

9. Place the following properties in the chart above. A. not evenly dispersed B. can be separated C. evenly dispersed D. combination of two or more substances Solutions-C; Both-D; Mixtures-A & B

10. How can the students correct their playground mistake (mixing rubber padding, sand, steel, and glass) and make a safe landing area under the slide and have safe material in the sandbox? A Separate the mixture by using a meter stick to measure pieces and sort by size. B Separate the mixture using a strainer or net, magnet and tweezers. C Put the mixture in a beaker and heat the mixture using a hot plate. D Pound the material into smaller particles and measure on a triple beam balance. B.

11. Why would the mixture be unsafe in the sand box and under the slide? The glass could cut children and the metal could het too hot to land on or play with. The rubber should be under the slide and the sand in the sandbox.

12. 10 g unknown substance is mixed with 250 mL of water. After the unknown material is mixed into the water, the volume is still just 250 mL. What has formed from this combination and why has the volume not changed? A. A mixture formed and the unknown substance evaporated. B . A solution formed and the unknown substance evaporated. C . A mixture formed and the unknown substance dissolved. D . A solution formed and the unknown substance dissolved. D.

13. Your teacher brings a sample of water to your class. The sample contains a mixture of small rocks, sand and silt (very fine soil) from the creek by the school. Students are divided into four groups and asked to predict how the samples will settle. Each of the four groups was given a clear glass jar with the mixture. Each group predicted the order in which the materials in the mixture would settle. Each group drew a picture of how the jar was predicted to appear after 24 hours. From bottom to top, what order are the small rocks, sand, silt, and water in the jar? Rocks, sand, silt, water.

14. Joey's investigation shows that _____________. A the colder the water, the faster the sugar dissolves B the colder the sugar, the faster the water solution forms a solid C the warmer the water, the faster the sugar dissolves D the warmer the room, the faster the sugar dissolves C.

15. Thinking about the results of Joey's investigation, you could infer that when adding sugar to tea as you are making sweetened iced tea, it would be BEST to ___________. F add ice to the warm tea first and then sugar G add sugar to the warm tea first and then ice H ignore the order of adding sugar and ice because the sugar dissolves so quickly you couldn't tell the difference J ignore the order of adding sugar and ice because sugar will never form a solution with the tea G.

16. Joey could make sugar water solution quicker if he ____________. F used different types of containers G heated the water above 99° F H used 2 sugar cubes in each container J only used water below 99° Fs G.

17. You are conducting a laboratory investigation on mixtures and solutions. Your lab materials include a balance, a beaker, hot plate, water, vinegar, epsom salt, sugar, and an unknown substance. Proper safety, when conducting an investigation, should always be a priority. All of the following are good safety practices EXCEPT: A Review all safety rules before starting the investigation. B Wear protective equipment such as safety goggles. C Make sure your equipment and lab area are clean before beginning the investigation. D If a chemical spill occurs, clean it up first and then report it to your teacher. D.

18. Students are asked to design an experiment to measure the effect that varying temperatures of 300 mL of water will have on dissolving aspirin. Students start out with four beakers filled with 300 mL of water at different temperatures. In addition to the beakers, the equipment students would likely use to collect and record the results would include all of the following EXCEPT: F hand lens G thermometer H stop watch J compass J.

19. Tamira filled a cup with sugar water solution and placed it on a window ledge on a sunny day. She measured and recorded the solution temperature every 30 minutes for 2 hours. Her data are shown below. Using the data, Tamira could reason that the hottest time of the day was at __________. A 1:30 p.m. B 2:00 p.m. C 2:30 p.m. D 3:00 p.m. D.

20. The data shows that the greatest increase in temperature of the solution took place between ______________. F 1:00 and 1:30 G 1:30 and 2:00 H 2:00 and 2:30 J 2:30 and 3:00 F

21. ? What question is likely the basis of Tamira’s sugar investigation? A Does the outside temperature affect the time of day? B Does the time of day affect the temperature? C Does the time of day change when the temperature changes? D Is the temperature in the afternoon different than in the morning? B

22. A type of mixture in which the particles of one or more substances are uniformly dissolved throughout another substance. solution

23. To change to a liquid and pass into a solution Dissolve

24. A combination of substances in which the individual substances do not change or combine chemically, but instead retain their own individual properties. Mixture

25. An element in a mixture or compound Ingredient

26. DAILY DOUBLE

27. .To change from a liquid into a gas Evaporate

28. A material made up of a particular kind of composition Substance

29. Not the same throughout-different Non-Uniform

30. FINAL JEOPARDY Mixtures & Solutions Name one example of a mixture & one example of a solution.

31. Answers will vary.