Ecology and Temperature Measurement
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Questions and Answers

Match the following biotic factors with their definitions:

Temperature = A measure of the degree of hotness or coldness Sunlight = The primary source of energy for photosynthesis Water = Essential for all forms of life Soil/substrate = The surface layer of earth in which plants grow

Match the measurement instruments with their types:

Liquid thermometer = Uses liquid expansion to measure temperature Alcohol thermometer = Contains alcohol that expands with heat Mercury thermometer = Contains mercury in a glass tube Digital thermometer = Displays temperature readings electronically

Match the measurement scales with their freezing and boiling points:

Celsius = Freezes at 0° and boils at 100° Fahrenheit = Freezes at 32° and boils at 212° Kelvin = Freezes at 273.15 and boils at 373.15 Rankine = Freezes at 491.67° and boils at 671.67°

Match the temperature conversion equations with their correct conversions:

<p>F to C = C = (F - 32) × 5/9 C to F = F = (C × 9/5) + 32 C to K = K = C + 273 K to C = C = K - 273</p> Signup and view all the answers

Match the example temperatures with their corresponding scales:

<p>26° C = 78.8° F 98.6° F = 37° C 27° C = 300 K 0° C = 273.15 K</p> Signup and view all the answers

Match the type of thermometer with their primary features:

<p>Alcohol thermometer = Utilizes alcohol as a thermal expansion liquid Mercury-in-glass thermometer = Uses mercury which expands predictably Digital thermometer = Offers quick and precise readings Bimetallic thermometer = Uses two metals that expand at different rates</p> Signup and view all the answers

Match the following types of thermometers with their typical materials used:

<p>Liquid thermometer = Mercury or alcohol Thermocouple = Two different metal wires Infrared thermometer = Sensors detecting infrared radiation Bimetallic thermometer = Two bonded metal strips</p> Signup and view all the answers

Match the biological significance of the following factors:

<p>Temperature = Influences enzymatic and metabolic activities Water = Crucial for osmoregulation and nutrient transport Sunlight = Drives photosynthesis and energy production Soil/substrate = Provides nutrients and habitat for organisms</p> Signup and view all the answers

Study Notes

Ecology

  • Ecology is the study of an organism or organisms and their relationship to their surrounding physical, chemical, and biological environment.
  • Biotic factors consist of the non-living components of an organism's environment, which includes:
    • Temperature
    • Sunlight
    • Water
    • Wind
    • Pressure
    • Soil/substrate

Measuring Temperature

  • Temperature is a physical property of matter that expresses the concepts of hot and cold.
  • Temperature is measured by thermometers, which can be calibrated to different scales.
  • Most of the world uses the Celsius scale (°C).
  • The United States uses the Fahrenheit scale (°F).
  • The Kelvin scale (K) is used in some countries.

Converting Temperature Scales

  • Fahrenheit to Celsius (°F to °C):
    • Multiply the °F value by 9/5, then add 32.
  • Celsius to Fahrenheit (°C to °F):
    • Subtract 32 from the °C value, then multiply the result by 5/9.
  • Celsius to Kelvin (°C to K):
    • Add 273.15 to the °C value.
  • Kelvin to Celsius (K to °C):
    • Subtract 273.15 from the K value.

Examples of Temperature Conversion

  • A temperature of 26°C is equivalent to 78.8°F.
  • A temperature of 98.6°F is equivalent to 37°C.
  • A temperature of 27°C is equivalent to 300K.

Types of Thermometers

  • Liquid Thermometers are instruments with a sealed glass tube containing a column of liquid (e.g., mercury, alcohol) that expands and contracts with changes in temperature.
  • Mercury-in-glass Thermometers and Alcohol Thermometers are common types of liquid thermometers.

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Description

This quiz covers essential topics in ecology and the measurement of temperature. Learn about biotic factors of the environment and the various temperature scales including Celsius, Fahrenheit, and Kelvin. Test your understanding of how to convert between these temperature scales.

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