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SNC 4E EXAM – June 2013
TIPS:

Take your time.
 Don’t leave anything blank! If you are unable answer a question, show or explain as much as you possibly can.
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The exam is in sections (Knowledge, Application, Thinking/Inquiry and Communication)
GOOD LUCK
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Final Exam
Total: /58
Part A: Knowledge (31 marks)
Multiple Choice (8 marks)
1. Which of the following would not be listed on a Nutrient Fact Label? a.) Dietary Fiber b.) Protein c.) Lactose Intake d.) Daily Value
2. What food would fall under the “meat and alternatives” category in Canada’s Food Guide? a.) Quinoa b.) Yogurt c.) Tofu d.) Couscous
3. A calorie is a measure of what? a.) Carbohydrates b.) Energy c.) Fiber d.) Minerals
4. A electrical circuit needs; a.) load b.) conductor c.) power d.) a switch e.) all of the above
5. ________________ are sugars and starches. a.) Proteins b.) Minerals c.) Carbohydrates d.) Calories
6. What do amino acids build? a.) Proteins b.) Sugars c.) Strength d.) Energy
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7. Watts (W) and kilowatts (kW) are a measure of what? a.) Time b.) Energy Efficiency c.)Electric power per unit time d.) none of the above
8. What is the enzyme called that breaks down lactose? a.) lactase b.) glucose c.) galactose d.) dairy digesting enzyme
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True or False (14 marks)
Write a T or an F for false.
1. All sunscreen protects against skin cancer.
2. The path needs to be broken for the electrons to flow properly so the load will work.
3. Your daily intake of calories should be double of the amount of calories you burn in day.
4. A person with a milk allergy can still eat/drink lactose products.
5. When you are storing chemicals in a lab, there are four main storage cabinets.
6. By law, Nutrition Facts Labels need to be on all foods that are sold in Canada, packaged or unpackaged.
7. Chemical reactions in the battery give the electrons power.
8. Lactase is made in the stomach in order to help break down Lactose.
9. CD players, televisions, computers, lamps, and clock radios are all electrical devices.
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10. It is safe to plug your fridge and microwave into a power bar as long as they aren’t being used at the same time.
11. Old appliances can be put out with regular garbage, as long as you tell the garbage collectors what you are disposing of and label it properly.
12. Nutrient Facts Labels will only tell you the amount of calories that a product has.
13. Batteries contain toxic chemicals and should be disposed of properly and not just in the regular garbage.
14. Greenhouse gases are gases that absorb infrared radiation, which are heating up the atmosphere.

Matching (9 marks)
Write the word from column A that matches each statement in column B.
Column A: conductor, vitamins, acid precipitation, energy source, energy load, minerals, water, additives, lactose intolerance
Column B:
1. The single largest component of your body.
2. A device, such as a wire, that allows electricity to pass easily through it.
3. Essential building blocks for the body, but do not provide calories or energy.
4. Gives the circuit its energy, such as a battery.
5. A device or appliance that uses the energy, such as a light bulb.
6. Any substance that is added to food.
7. Inability to digest a specific sugar called lactose.
8. They are chemical substances that help the body use energy, build proteins, make cells, and repair injuries (for example, zinc)
9. Can cause severe damage to forests, crops and buildings.
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Part B: Application (11 marks)
1. Explain why fiber is not considered one of the six nutrients. (1 mark)
2. Name one warning label that would commonly be found on a chemical product. Briefly describe what the label looks like, and what it means. (3 marks)
3. List three household items that are constantly using power? (3 marks)
4. a.) List 3 reasons that a company might put additives in their product? (3 marks) b.)Why might a company put preservatives in their product? (1 mark)
5. If you were reading a label of a pop can, and the first listed ingredient was sugar, what does this tell you about the ingredients in what you are about to drink? (1 mark)
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Part C: Thinking/Inquiry (8 marks)
1. What are two items in your household that you would never want to unplug. (2 marks)
2. If a person cannot digest dairy products, what are two other places where they could get calcium from? (2 marks)
3. How are calories like the gasoline in a vehicle? (2 marks)
4. Most major appliances have a life span of 10 to 15 years. What does this mean if you purchase a dishwasher that is not energy efficient? (1 mark)
5. How can we reduce the amount of energy we use in our own homes? (1 mark)

Part D: Communication (8 marks)
1. In your own words, define lactose intolerance. Give three examples of symptoms in your definition. (4 marks)
2. Explain why disposing of chemical wastes properly is so important for the environment? (3 marks)
3. Explain why the refrigerator accounts for 11% of the total energy consumed in our homes. (1 mark)
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