1. ~BSCS Chapter 2 Jeopardy~

2. DensityPhysical Properties and Changes Words, Words, Words Chemical Properties and Changes Miscellaneous 10 20 30 40 50

3. Density 10 What is “density?” Give a description and a mathematical formula.

4. Density 20 If you combine two liquids (with different densities) that do not mix, what will the result look like?

5. Density 30 If you mix 5 liquids with different densities in a cylinder, what will the resulting column look like? Where would the most dense material be? Will there always be 5 layers?

6. Density 40 In general, which phase of matter is most dense? Which is of medium density? Which is of lowest density? What is an exception to this generality?

7. Density 50 Explain the connection between the slopes of the lines on a density graph and the density of the materials.

8. Physical Properties and Changes 10 Name the 3 phases of matter that are common on Earth.

9. Physical Properties and Changes 20 Give an example of a solid? Of a liquid? Of a gas?

10. Physical Properties and Changes 30 Compare the molecular movement of particles in a solid, a liquid, and a gas.

11. Physical Properties and Changes 40 What is the difference between an “intensive property” and an “extensive property.” Give an example of each.

13. Physical Properties and Changes 50 Draw a table showing how shape and volume change- or don’t change- when a solid, a liquid, or a gas is put into a container.

14. Words, Words, Words: 10 Define and describe “matter.”

15. Words, Words, Words: 20 Define and describe “volume.”

16. Words, Words, Words: 30 What is the difference between “mass” and “weight?”

17. Words, Words, Words: 40 What is an atom? What is a molecule?

18. Words, Words, Words: 50 What is a pure substance? What is a compound? Atom: Pure Substance as Molecule: Compound

19. Chemical Properties and Changes 10 Name two Chemical Properties.

20. Chemical Properties and Changes 20 Describe two chemical changes.

21. Chemical Properties and Changes 30 What is the difference between a physical change and a chemical change?

22. Chemical Properties and Changes 40 How can you tell that methane burning in oxygen is a chemical change? CH 4 + O 2 --> CO 2 + H 2 O

23. Chemical Properties and Changes 50 ***Nothing is created or destroyed during the reaction~ only rearranged- converted to a different form.*** Balance the Equation: CH 4 + 2O 2 --> CO 2 + 2H 2 O

24. Miscellaneous: 10 What is a synonym for combustion?

25. Miscellaneous: 20 The Law of Conservation of Matter states:

26. Miscellaneous: 30 Does the density of a material change depending on how much of the substance you test?

27. Miscellaneous: 40 Explain what happens to the molecules in ice as it is melted and then boiled.

28. Miscellaneous: 50 Compare the molecular movement in solids, liquids, and gases. What happens when thermal energy is added?