Science 10 – Final Review



Science 10 – Final Review

Chemical Reactions

1. What does GHS stand for? What does SDS stand for?

2. What are the GHS pictograms and what do they look like?

3. What is the difference between a chemical and a physical change?

4. What is the difference between endothermic and exothermic reactions?

5. Name the three subatomic particles and then state their mass, charge and location.

6. Fill out the following chart for the elements below!

|Name |Symbol |Atomic Number |Atomic Mass |Number of |Number of Neutrons|Number of |

| | | | |Electrons | |Protons |

|Beryllium | | | | | | |

| | |45 | | | | |

| | |87 | | | | |

| |Ra | | | | | |

| | |9 | | | | |

| | |92 | | | | |

7. Fill out the following chart for the ions below!

|Name |Symbol |Atomic Number |Atomic Mass |Number of |Number of Neutrons|Number of |

| | | | |Electrons | |Protons |

|Iron (III) ion | | | | | | |

| |F- | | | | | |

|Chloride | | | | | | |

| |Mg2+ | | | | | |

| |P3- | | | | | |

|Tin (II) ion | | | | | | |

8. Put the following ions together and them name them.

a) Mg2+ I-1

b) Cr+3 I-

c) Fe3+ SO42-

d) Al3+ CH3COO-

e) NH4+ P3-

9. Name each of the following compounds. Make sure that you identify which is ionic and molecular before solving the question.

a) CuBr b) PbCrO4

c) CrPO4 d) Cr3(PO4)2

e) CBr4 f) Si3N4

g) PCl5 h) NO3

i) CO j) SrS

10. Name the following acids and bases.

a) HCN b) Al(OH)3

c) HF d) HNO3

e) H2SO3 f) LiOH

11. Balance the following equations and then identify the type of reaction that it is.

a) Mg + O2 ( MgO

b) Fe + HCl ( FeCl2 + H2

c) Fe + O2 ( Fe2O3

d) Sb + Cl2 ( SbCl3

e) NaClO3 ( NaCl + O2

f) Al + H2SO4 ( Al2(SO4)3 + H2

g) H2 + O2 ( H2O

h) NaCl + H2SO4 ( Na2SO4 + HCl

i) C3H8 + O2 ( CO2 + H2O

j) (NH4)2SO4 + Pb(NO3)2 ( NH4NO3 + PbSO4

12. Write and balance the following reactions.

a) Magnesium chloride reacts with aluminum phosphate to make magnesium phosphate and aluminum chloride.

b) Hydrogen chloride reacts with magnesium hydroxide to create water and magnesium chloride.

c) Butane reacts with oxygen to produce water and carbon dioxide.

13. Write Lewis Dot bonding diagrams for each of the following ionic compounds.

Al & Br

Mg & O

Li & S

14. Fill out the following chart.

|Elements |Lewis Dot Structure |Structural Formula |Chemical Formula and Chemical |

| | | |Name |

| | | | |

|P & F | | | |

| | | | |

|C & O | | | |

| | | | |

|B & Cl | | | |

15. What are the four factors that affect reaction rate? How do they affect reaction rate?

16. What is Activation Energy?

17. What is a catalyst?

Forces and Motion

1. Graph the following data on graph paper and find the slope.

|Velocity (m/s) [N] |Time (s) |

|2.8 |2.0 |

|5.9 |4.0 |

|9.2 |6.0 |

|12.3 |8.0 |

|14.8 |10.0 |

2. What quantity does the slope the following graphs tell you?

Distance Vs. Time; Displacement or Position Vs. Time; Velocity Vs. Time

3. What is the difference between scalar and vector quantities?

SAMPLE PROBLEMS

4. A boy collects bottles on his bottle route by traveling 13.0 km [W], then by 7.0 km [N]. Find the distance and displacement by using mathematical methods.

5. A delivery man goes 1.5 km [E], 700. m [N] and then 350. m [W]. Find his total distance and displacement by the vector-addition method.

6. If an alien from the galaxy andromeda comes to earth and goes for a jaunt around Saskatoon by walking 4.0 km [S], then turns and goes 6.0 km [E], then turns around and walks 12 km [W], and finally 5.0 km [N], find her displacement using vector analysis. Make sure to find the angle using your protractor.

7. If an object starts at rest and accelerates uniformly at 10.0 m/s2 find the speed at a) 20.0 s, b) 35.0 s, and c) 45.0 s

8. A bulldozer applies a force of 2500. N [S] on a rock with a mass of 300. kg. If the frictional force is 1000. N, what is the resulting acceleration of the rock?

9. An object with a mass of 500. g falls at a rate of 9.80 m/s2, how much force is being exerted on this object by the earth?

10. A man runs 500. m [N] in 63.5 seconds. What is his velocity?

11. Jimbo rides a bus traveling 25 m/s. In 4.0 seconds the bus accelerates to 50. m/s. What is his acceleration?

12. An airplane accelerates down a runway at 2.80 m/s2 for 16.5 s until is finally lifts off the ground. Determine the distance traveled before takeoff.

13. A car starts from rest and accelerates uniformly over a time of 3.82 seconds for a distance of 750 m. Determine the acceleration of the car.

14. A person jumps out of a plane and free falls for 2.6 seconds, what will be his final velocity and how far will he fall?

15. A race car accelerates uniformly from 8.5 m/s to 76.1 m/s in 5.35 seconds. Determine the acceleration of the car and the distance traveled.

16. A basketball is dropped on the moon from a height of 2.82 meters. The acceleration of gravity on the moon is 1.67 m/s2. Determine the time for the basketball to fall to the surface of the moon.

17. What are Newton’s 3 Laws of Motion; explain each and give and example.

18. Make sure you are familiar with Significant Figures, Metric Conversion, and Scientific Notation.

Climate and Ecosystem Dynamics

Know the following terms and be prepared to discuss:

Ecosystem Organism Biotic

Abiotic Population Habitat

Threatened Vulnerable Endangered

Extinct Extirpated Sustainability

Ecological Footprint Paradigm Weather

Climate Greenhouse Effect Positive Feedback Loop

Anthropogenic Temperature Cloud Cover

UVA/UVB Radiation Wind Coriolis Effect

Relative Humidity Atmospheric Pressure

Be familiar with the greenhouse gases (carbon dioxide, methane, nitrous oxide, and fluorinated gases).

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