Name: ______________________
Science 9
Differentiated Midterm Exam
Part B: Chemistry Laboratory
Scenario: You are a Chemist at the University of Calgary. You have just discovered the basic principles of how chemical reactions happen. This is a major breakthrough! The Herald asks you to give a detailed presentation explaining your findings so that the everyday ‘lay-person’ can understand your discovery. Be sure to include the elements you have tested in your experiment and why you used those specific ones. Defend this statement in your learning style being sure to mention and defend with the following terms:

Matter

Lab Safety

Caustic

Mixtures (homogeneous / heterogeneous)

Physical Change

Chemical Change

Law of Conservation of Mass

Atoms and sub-atomic particles

Periodic Table

Chemical Symbols and formulae

Chemical Families (alkaline, alkaline earth metals, halogens and nobles)

Atomic numbers and mass (determining proton and neutron numbers)

Molecular Compound

Ionic Compound

Naming molecular and ionic compounds

Chemical Equations (words and symbols)

Chemical reactions(reactants, products, exothermic, endothermic, oxidation, combustion)

Reaction rates (what affects them, catalysts and enzymes)

Corrosion
Requirements:
1. Based on your learning style, choose one of the following project options OR propose an alternative format to your teacher.
Visual option :
Create a mind map of all the key points (above) as main headings. Include as much detail as possible to fully explain your argument. You may use diagrams, pictures, any other visual form, etc. if you wish.

Kinesthetic option:
Create a display (in the format of your choice) of your arguments by cutting and pasting definitions, diagrams, pictures, etc.
Auditory / Verbal Linguistic option : a. Do an oral presentation to your teacher explaining your reasons why the Bow
River should be protected.
Or Write a letter / essay explaining all of your arguments in a well organized paragraph,
format paper.
2. You must include each the following key concepts in your assignment for full marks:
***Remember to relate these back to the problem if you can.
Marks Notes
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Requirement
Workplace Hazardous Materials

Full explanation—what it is, why it is needed
 example
Physical Properties and Chemical Change

Explain different ways matter can be
classified (mixtures, pure substances,
metals, non-metals)

Two ways you can tell a chemical
change has occurred

One possible example of a chemical
reaction using household chemicals

Explain oxidation as a reaction and the
possible reactions that could be related
(combustion, corrosion)
Endothermic and Exothermic reactions

Explain meaning of both

Examples for each
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/ 4

Reactants and Products
 Write a hypothetical word equation for an experiment (using proper format/symbols)

Write a hypothetical chemical equation for the same experiment
(using proper format/symbols)

Identify the reactants and products
Conservation of Mass

Define the theory
Factors Affecting Reaction Rates

List all (highlight catalysts and enzymes)
Periodic table and trends within it:
 how it is organized (2 ways)
 families and their reaction trends
Molecular and Ionic Bonding (one mark each)
Molecular Ionic

How they are formed

What they are formed from
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/ 1
/ 5
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/ 4

Elements, Compounds and Atomic Theory

Define an atom,
 Define an element

Define a compound

Identify the subatomic particles

List where the subatomic particles are

Their charges

Determine, using the Periodic Table, how many protons, neutrons and electrons an atom has
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Name: ______________________
Science 9
Differentiated Midterm Exam
Part C: Environmental Chemistry
Scenario: The Bow River is a valuable resource we need to take care of. Various pollutants are interacting with the river and they need to be monitored.
Defend this statement in your learning style being sure to mention and defend with the following terms:

Fertilizers

Pesticides

Bioaccumulation

Pesticide Resistance

Acidity

Bases (alkaline)

Neutralization
 pH
 pH Indicators

Bioindicators

Acid Precipitation

Emissions (catalysts, oxidation and corrosion) (safe distribution of emissions)

Pollution

LD50
 ppm/ppb

Persistent and Non-persistent pollutants

Point Source / non-point source

N.I.M.B.Y.

Ground Water

Aquifers

Waste Management

Landfills and leaching

Turbidity

Dissolved Oxygen

Dissolved Nutrients
Requirements:
1. Based on your learning style, choose one of the following project options OR propose an alternative format to your teacher.
Visual option:
Create a mind map of all the key points (above) as main headings. Include as much detail as possible to fully explain your argument. You may use diagrams, pictures etc. if you wish.

Kinesthetic option:
Create a display (in the format of your choice) of your arguments by cutting and pasting definitions, diagrams, pictures, etc.
Auditory / Verbal Linguistic option : a.
Do an oral presentation to your teacher explaining your reasons why the Bow
River should be protected.
Or b. Write a letter / essay explaining all of your arguments in a well organized paragraph, format paper.
2. You must include each the following key concepts in your assignment for full marks:
***Remember to relate these back to the problem if you can.
Requirement Marks Notes
Nutrients, Fertilizers and Pesticides

Fertilizer uses, advantages and disadvantages (identifying common organic and inorganic compounds
/ 8 needed by an organism)

Definitions and types of pesticides

Pesticide advantages and disadvantages
Bioaccumulation and Pesticide Resistance
 Definitions and examples of bioaccumulation and biomagnification

How do pesticides transfer through the food chain

Effect of pesticides on resistant organisms
 ppm and ppb values

LD50

Explain how any of these concepts can be studied and applied to a biological indicator
/ 7

Acids and Bases

Definitions of Acids and bases
 Identifiers (litmus)
 pH scale – what it indicates and common examples

Neutralization – explanation with example

How acids or bases affect the Bow
River
Emissions and Pollution

Definitions and human contributions

Persistent and non-persistent pollutants

Point source and non-point sources

Acid precipitation and cleaning of it

How these affect the Bow River
Water Quality

Definition of turbidity, dissolved oxygen and dissolved nutrients

Importance of these to water quality

Explain some of the tests done during the Riverwatch trip

Explain appropriate ways data collected here could be expressed or displayed.
Waste Management:

N.I.M.B.Y. and global distribution of pollution
 Definition and effect of landfills and leaching

Effect of them on ground water and aquifers

Link to the river ecosystem
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/ 7
/ 6
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