2. IntroVocabDensityProblemsPhysical vs Chemical $100 $200 $300 $400 $500

3. Final Question Make your bid now Find the percent error. The acutal value of the density of gold is 19.32 g/mL. A student found the density in lab to be 19 g/mL

4. Intro $100 What piece of lab equipment is used to accurately measure volume? Graduated cylinder Game board

5. Intro $200 We know that the gas is turned off when… The handle is PERPENDICULAR! Game board

6. Intro $300 To smell something in lab we… waft Game board

7. Intro $400 The first step in the scientific method is… observation Game board

8. Intro $500 Read to the correct number of significant figures… 6.61 mL Game board

9. Vocab $100 Contrast mass and weight Mass = measures mass Weight= measures mass + gravity Game board

10. Vocab $200 Contrast qualitative and quantitative Qualitative = qualities (color, shape) Quantitative = quantities (50 g, 10 cm) Game board

11. Vocab $300 Define reactants and products Reactants = substances start with Products = substances end with Game board

12. Vocab $400 Matter can be classified into these two categories Substances and mixtures Game board

13. Vocab $500 Define precision and accuracy Precision = how close measurements are to one another Accuracy = how close measurements are to the target Game board

14. Density $100 Describe the density triangle Game board M D V

15. Density $200 How do we know if an object will float or sink? Float if density < 1 g/mL Sink if density > 1 g/mL Game board

16. Density $300 What is the density of water? 1 g/mL Game board

17. Density $400 What is the density of an object with a volume of 20 mL and a mass of 100 grams? (must include units in your answer) D = M / V = 100 / 20 = 5 g/mL Game board

18. Density $500 If the following compounds were put in one container how would they separate the compounds from top to bottom Baby oil, vegetable oil, milk, honey Game board Honey1.42 g/mL Vegetable oil 0.92 g/mL Baby oil0.83 g/mL Milk1.03 g/mL

19. Problems $100 Convert 2.3 m to cm KHDUdCM 2.3 m = 230 cm Game board

20. Problems $200 How many sig figs are in 0.0023010 five Game board

21. Problems $300 How would you write the following number in scientific notation? 0.000 32 3.2 x 10 -4 Game board

22. Problems $400 Calculate the density of this irregular shaped object Volume object = 80-50 = 30 Density = M / V = 90 / 30 = 3 g/mL Game board Volume of water50 mL Volume of water + object80 mL Mass of object90 g

23. Problems $500 Use a calculator to solve the problem but report your answer to the correct sig figs 24.010 + 30.00 + 16.822 70.83 Game board

24. Physical vs Chemical $100 Give an example of each –Physical PROPERTY –Chemical PROPERTY Physical = color, mass, weight, taste, smell Chemical = reactivity, flammability Game board

25. Physical vs Chemical $200 Give an example of each –Physical CHANGE –Chemical CHANGE Physical = tearing, crushing, phase change Chemical = burning, digestion, rusting Game board

26. Physical vs Chemical $300 Classify water boiling as a physical or chemical change and give reasoning Physical change—no new substance is formed; just a change in state of matter Game board

27. Give 2 example of each –Intensive physical property –Extensive physical property Intensive = color, taste, smell, density, melting point, freezing point, boiling point Extensive = mass, volume, area, length, width, height Game board Physical vs Chemical $400

28. Physical vs Chemical $500 Give the 6 pieces of evidence from a chemical change 1.Gas4. smell 2.Color change5. solid 3.Temp change6. light Game board