Study Guide 1St Semester Benchmark Exam 2016-17 Name:______

Study Guide – 1st Semester Benchmark Exam 2016-17 Name:______

Write your answers to the study guide in the space provided, or on notebook paper.

ATTACH your physics booklet “How does force affect motion?” to this study guide.

3. What is an indicator? What indicators are used to identify acids and bases?

4. What is the pH scale? How do scientists use the pH scale?

5. A. Label the Acid side of the scale.B. Label the base side of the pH scale. C. Label Neutral

D. Add the following substances to the scale based on their pH.

i. Stomach acid (1)ii. Lemon juice (2)iii. Soda (4)iv. Saliva (6)v. Water (7)

vi. Baking soda (9)vii. Antacids (10)viii. Oven cleaner(13)

Acids are getting ______Bases are getting ______

6. What range of numbers on the pH scale identifies bases?

7. What range of numbers on the pH scale identifies acids?

8. Look at the scale above, which substance is an example of a strong acid? How do you know this?

9. Look at the scale above, which substance is an example of a strong base? How do you know this?

10. Complete the “Litmus Paper Poem”Complete the “pH scale poem.”

Acids turn blue litmus paper ______Acids are found on the ______

Bases turn red litmus paper ______Bases are found on the ______

Neutrals make the paper stay the ______Neutral is in the ______

They show up on the _____ scale too.The colors are really bright.

11. Label the anatomy of the chemical equation. – reactants, products, coefficient, subscripts, compounds, element.

2CuO + C 2Cu + CO2

12. What does the law/principle of conservation of mass state?

13. How does the law of conservation of mass apply to the above equation?

When investigating changes to a war memorial statue, students saw the statue had rusted. The product of the reaction was Fe2O3.

14. Is the formation of rust a physical or chemical change? Why?

15. If Fe2O3 is the product, which of the following chemical equations explains the reaction?

a. 4Fe + 3O2Fe2O3b. 4Fe + CO2 Fe2O3 c. 4Fe + 2H2O 2Fe2O3

16. Is the formation of rust a synthesis or decomposition reaction? Justify your answer.

17. Classify the following equations and then justify your classification.

A. Na +Cl NaCl

B. Fe + H2O --> Fe3O4 + H2

C. CaCO3 CaO + CO2

D. Na2SO4 + CaCl2 -->NaCl + CaSO4

20. Classify the following examples as physical or chemical changes and JUSTIFY your answer.

a. Melting snow b. Burning a match

c. Rusting statue d. Making a paper snowflake

21. a. Define elementb. Define compound

22. Classify the following as elements –E or compounds –C. Write the correct letter next to the symbols.

a. Hb. H2Oc. NaCld. O

23. Classify the characteristics – M for metal or NM for nonmetal or B for Both.

a. Good conductor of heat and electricity.b. Will react or bond with nonmetals

c. Are found on the PTE.d. Found to the right of the zigzag line.

e. Found to the left of the zigzag line.f. Poor conductors of heat & electricity.

g. Most are solid at room temperature.h. Includes all three states of matter.

i. Malleable and ductilej. Dull and brittle

24. Name 8 patterns found on the PTE. Attach your notes if you have them as well.

25. How is the modern PTE organized?

26. What can we learn from the PTE?

27. What is the significance/importance of a column on the PTE?

28. Why is hydrogen in family 1, even though it is a nonmetal?

29. a. How may periods?______b. How many families? _____

Rows or columns?______Rows or columns? ______

30. The atomic number tells us the number of ______and ______in the atom of an element.

31. The ______electrons are responsible for reacting/bonding with other atoms.

32. The ______and ______are found in the nucleus of an atom.

35. Look at the chemical formulas below. What type of bond has formed?

a. C6H12O6b. NaBrc. H2Od. MgO

36. In the table define qualitative and quantitative data. Give two examples for each.

37. Classify the following statements as qL or qN data statements.

___ There are 2 dogs in the yard____ My blue shirt is darker than her blue shirt

___ I picked up 20 rocks at the creek____ Some rocks were larger than others

___ Papa Johns pizza is better than Dominos____ I ate 4 pieces of pizza

38.

39. Identify the following statements as Inferences (I), Predictions (P), or Observations (O).

___A. Elephants have a long trunk and large ears.

___B. Elephants will be extinct if hunters keep poaching them for their tusks.

___ C. Elephants are one of the strongest animals in the world because they are so large.

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