1. Science Jeopardy
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Final Jeopardy

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©Norman Herr, 2003

3. A-100
QUESTION: When a glow stick is snapped and the chemicals mix, what is the proof a chemical change occurred?
ANSWER: light is emitted

4. A-200
QUESTION: A solid that forms out of solution is called a ______________. How did we create one of these in our lab?__________________
ANSWER: precipitate

5. A-300
QUESTION: When a chemical reaction takes place that leads to a chemical change, do the properties of the substances remain the same? Explain.__________________
ANSWER: No!.

6. A-400
QUESTION: When baking soda and vinegar react what happens? What type of change is this?
ANSWER: fizzing, bubbling, and it turns cold which means that there has been a chemical change.

7. A-500
QUESTION: When steel wool is exposed to oxygen and water it turns into ______________. Is this a physical or chemical property?
ANSWER: Rust, which means that a chemical change has occurred.

8. B-100
QUESTION: An object that has a lower density than water will________________
float

9. B-200
QUESTION: Color, density, length, texture, magnetism, and state of matter are examples of…..
ANSWER: physical properties

10. B-300 QUESTION: Ability to dissolve in another substance
ANSWER: solubility

11. B-400
QUESTION: Amount of matter in a given volume?
ANSWER: mass

12. B-500 Question: Anything that has mass and takes up space is:
Answer: Matter

13. C-100
QUESTION: What is the formula to calculate density? What equipment do we use to calculate density?
Answer: Density = Mass ÷ Volume

14. C-200
QUESTION: The mass of the box below is 12 g. What is the density of the box?
4 cm
2 cm
3 cm
ANSWER: 0.5g/cm3

15. C-300 QUESTION: Amount of space an object or substance takes up is…..
ANSWER: Volume

16. C-400
QUESTION: In a density column, which sample will float above water?
Sample A: g/ml Sample C: g/ml
Sample B: g/ml Sample D: 1.82 g/ml
ANSWER: Sample B

17. C-500
QUESTION: If you have an object with a density of 1.88 g/ml, would this sink or float in water?
ANSWER: Sink

18. D-100
QUESTION: Water has a density of……
ANSWER: 1 g/mL

19. D-200
QUESTION: Which physical property means that a metal can be stretched into
a wire?
Answer: Ductility

20. D-300 QUESTION: What is the measurement on the triple beam balance?
ANSWER: 347 g

21. D-400
QUESTION: The ability to be pressend and pounded into a thin sheet is…..
Answer: malleability

22. QUESTION: What is the density?
Answer: 0.23 g/cubic cm

23. E-100
QUESTION: When you dissolve salt and water, what type of change has occurred? Physical or Chemical?
ANSWER: Physical

24. E-200 QUESTION: Which of the following is a chemical change?
ANSWER: Baking a Cake
Melting Iron
Baking a Cake
Breaking Glass
Evaporating Water

25. E-300 QUESTION: Which of the following is a chemical change?
a. Boiling water
b. Cutting fabric
c. Melting butter
d. Burning wood
ANSWER: D. Burning wood

26. E-400
QUESTION: What evidence of a chemical reaction was observed when the baking soda and vinegar were mixed together and a balloon was placed over test tube?
ANSWER: Production of a gas

27. E-500 QUESTION: Which of the following is a physical change?
A log burning in a fireplace
Water freezing to become ice
Fireworks in the night sky
Rust forming on an iron hinge.
ANSWER: B.

28. FINAL JEOPARDY
QUESTION: What four pieces of evidence show up when a chemical reaction/change has happened?
Answer: Production of a gas; production of a solid precipitate; change in temperature; production of light; unexpected color change