Assignment: Glacial Recession
Assignment: Glacial Recession
Assignment: Glacial Recession
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?
- Glacial mass
- Sunlight
- The season
- Time
2. How many dependent variables can be tested during any single experiment?
- 4
- 3
- 2
- 1
3. An integrated explanation of numerous hypotheses is known as a ________.
- Fact
- Law
- Control
- Theory
- 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?
- TheDiscussionanalyzes data, whereas theResultsanalyzes the procedure.
- TheDiscussionanalyzes data, whereas theResultsdisplays data.
- TheDiscussiondisplays data, whereas theResultsanalyzes the Discussion.
- 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?
- 5,383.40 m3
- 538.34 m3
- 5,383.40 m2
- 538.35 m2
6. Why are volumetric measurements defined as a “cubed” unit?
- Because the typically describe shapes which are cuboidal.
- Because three different shapes are used to measure one larger shape.
- Because three individual units are multiplied together.
- 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?
- 10-9
- 109
- 10-6
- 106
8. What subatomic particles are found in the nucleus?
- Elecctrons
- Protons
- Neutrons
- Protons and neutrons
- Protons and electrons
9. Which of the following describes H20, NaCl, CO2, and HCl?
- All are acids
- All are gases
- All are salts
- All are inorganic molecules
10. Which of the following correctly describes a buffer?
- A buffer converts an alkaline solution to neutral
- A buffer converts an acid solution to neutral.
- A buffer converts alkaline solutions to acid solutions.
- A buffer converts strong bases or acids to weak bases or acids.
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