Assignment: Glacial Recession

Assignment: Glacial Recession

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I.Multiple choice questions. Please bold or underline the correct answer (1point each=50 points)

1. Suppose you conduct an experiment which simulates glacial recession over time. What is the dependent variable in this experiment?

1. Glacial mass
2. Sunlight
3. The season
4. Time

2. How many dependent variables can be tested during any single experiment?

1. 4
2. 3
3. 2
4. 1

3. An integrated explanation of numerous hypotheses is known as a ________.

1. Fact
2. Law
3. Control
4. Theory
5. Guess

4. When writing a lab report or a research paper, you need to show what the difference is between the “Results” section and the ”Discussion” section. Which of the following is correct?

1. TheDiscussionanalyzes data, whereas theResultsanalyzes the procedure.
2. TheDiscussionanalyzes data, whereas theResultsdisplays data.
3. TheDiscussiondisplays data, whereas theResultsanalyzes the Discussion.
4. TheDiscussiondisplays the procedure, whereas theResultsanalyzes the data.

5. What is the surface area of a football field which is 120.00 yards long and 53.30 yards wide?

1. 5,383.40 m³
2. 538.34 m³
3. 5,383.40 m²
4. 538.35 m²

6. Why are volumetric measurements defined as a “cubed” unit?

1. Because the typically describe shapes which are cuboidal.
2. Because three different shapes are used to measure one larger shape.
3. Because three individual units are multiplied together.
4. Because the metric system requires volumes to be expressed as cubed units.

7. What factor do you need to multiply by to convert kilometers to micrometers?

1. 10^-9
2. 10⁹
3. 10^-6
4. 10⁶

8. What subatomic particles are found in the nucleus?

1. Elecctrons
2. Protons
3. Neutrons
4. Protons and neutrons
5. Protons and electrons

9. Which of the following describes H₂0, NaCl, CO₂, and HCl?

1. All are acids
2. All are gases
3. All are salts
4. All are inorganic molecules

10. Which of the following correctly describes a buffer?

1. A buffer converts an alkaline solution to neutral
2. A buffer converts an acid solution to neutral.
3. A buffer converts alkaline solutions to acid solutions.
4. A buffer converts strong bases or acids to weak bases or acids.

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