1. Matter and Change!
Created by Educational Technology Network

2. Matter
Phys v. Chem
Periodic Tbl
Sig Figs
Problems 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Topic 1 – 10 Points Define matter. (at least 2 of the 3) QUESTION:
ANSWER:
mass, volume, exists as a solid, liquid, gas, or plasma

4. Topic 1 – 20 Points Solid QUESTION: ANSWER:
Which state of matter has the lowest amount of energy?
ANSWER:
Solid

5. Topic 1 – 30 Points
QUESTION:
Any substance that has a definite composition is a ______________ .
ANSWER:
chemical

6. Topic 1 – 40 Points
QUESTION:
Is oxygen gas (O2) a compound, element, homogeneous mixture, or heterogeneous mixture?
ANSWER:
element

7. Topic 1 – 50 Points The smallest unit of an element. QUESTION: ANSWER:
an atom

8. Topic 2 – 10 Points QUESTION: ANSWER: Physical
Changing matter without changing its chemical identity.
ANSWER:
Physical

9. Topic 2 – 20 Points Burning wood is an example of _________ .
QUESTION:
Burning wood is an example of _________ .
ANSWER:
Chemical change

10. Topic 2 – 30 Points
QUESTION:
List the five things that indicate a chemical change has occurred
ANSWER:
smell, color, gas production, heat production, precipitate formation

11. Topic 2 – 40 Points
QUESTION:
Hot glass cracking in cold water is an example of _____________ .
ANSWER:
Physical Change

12. Topic 2 – 50 Points
QUESTION:
The physical change from a solid to a gas is called _____________.
ANSWER:
sublimation

13. Topic 3 – 10 Points
QUESTION:
The vertical columns are also known as _____________.
ANSWER:
groups or families

14. Topic 3 – 20 Points Column 1 is known as the _________________ .
QUESTION:
Column 1 is known as the _________________ .
ANSWER:
Alkali metals

15. Topic 3 – 30 Points
QUESTION:
Between metals and non-metals is a group called __________ .
ANSWER:
Metalloids

16. Topic 3 – 40 Points
QUESTION:
The horizontal rows are also known as ____________ .
ANSWER:
Periods

17. Topic 3 – 50 Points List four general properties of metals. QUESTION:
ANSWER:
Luster, heat and electrical conductors, ductile, malleable

18. Topic 4 – 10 Points
QUESTION:
2,345
ANSWER:
4 sig figs

19. Topic 4 – 20 Points
QUESTION:
67,000,000
ANSWER:
2 sig figs

20. Topic 4 – 30 Points
QUESTION:
ANSWER:
5 sig figs

21. Daily Double Topic 4 – 40 Points 5870 lbft QUESTION:
Problem: lb x 3.23 ft
Calc says: lbft
What is the answer?
ANSWER:
5870 lbft
Daily Double

22. Topic 4 – 50 Points Problem: 1818.2 lb + 3.37 lb Calc says: 1821.57 lb
QUESTION:
Problem: lb lb
Calc says: lb
What is the answer?
ANSWER: lb

23. Topic 5 – 10 Points QUESTION: ANSWER: What is the formula for density?
D = M/V

24. Topic 5 – 20 Points QUESTION: ANSWER:
If there is a sample of gold with a volume of 10cm3 and a mass of 100 g, what is the density?
ANSWER:
10g/cm3

25. Topic 5 – 30 Points
QUESTION:
I have 35 mL of water and the density of water is 1.0 g/mL, what is the mass of the water?
ANSWER:
35 g

26. Topic 5 – 40 Points
QUESTION:
The density of magnesium is 1.74 g/mL. If I have a sample that weighs grams, what is the volume?
ANSWER:
27.8 mL

27. Topic 5 – 50 Points
QUESTION:
Convert 2,780 μm into km and express the answer in scientific notation.
ANSWER:
2.78 x 10-6

28. Final Jeopardy Question:
You are given a piece of gold foil with a length of 7.32cm and a width of 14.9mm. You weigh the foil at .30 g. The density of gold is 19.3g/mL. What is the thickness of the foil?
Answer:
.30 / 19.3 = cm3
0.016 / (7.32x1.49) =
0.0015cm