How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
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the effects of adding heat and cold to the germinating peas‚ dormant peas‚ and glass beads to find how this changes their cellular respiration rate. The effects are measured by testing the amount of CO2 released from each sample with different temperatures applied. This is important to learn the difference between the rate of respiration during dormancy and germination. Hypothesis My hypothesis for this experiment is that the germinating peas that have heat applied will give off the most CO2 because
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An Experiment to Test the Effect of Temperature on the Rate of Photosynthesis in Green Algae Background Photosynthesis is an amazing process where plants are able to create their own food as well as oxygen using sunlight‚ carbon dioxide (co2)‚ and water. The part of the plant responsible for photosynthesis is the enzymes in the chlorophyll (structures that carry out photosynthesis located in leaves). Photosynthesis is the process of creating glucose. Water + Carbon Dioxide + Sunlight = Glucose
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1 degree in temperature. The objectives of the experiment are to determine the specific heat of metal specimens using the method of mixture‚ to measure the equipment properly‚ to carefully measure the temperature of the equipment‚ to be patient while waiting for the output of the experiment and to be precise in computing for the specific heat of the specimen. Theory Blanza‚ J.‚ Guevara‚ C.‚ Morsiquillo‚ A.‚ Nacu‚ G. (2012) noted that the transfer of energy is made by temperature difference between
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I. Objectives At the end of the lesson‚ the students will be able to: 1. Discuss the operation in taking body temperature 2. Value the importance of taking body temperature as an aid in home nursing 3. Calculate the rectal and axilla body temperature accurately II. Subject Matter A. Topic: Home Nursing Techniques B. Sub-Topic: Taking body temperature References: Effective Technology and Home Economics Series By Julia Garcia Cruz C. Aids and Devices: * Visual
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electronic heat sensors to record body temperature‚ can be used in the rectum‚ mouth or armpit. The most accurate way to take a child’s temperature is to use a digital thermometer‚ either rectally or orally. Rectal temperatures provide the best readings for infants‚ especially those 3 months or younger as well as children up to age 3. If you use another type of thermometer to take a young child’s temperature and you’re in doubt about the results‚ take a rectal temperature. For older children and adults‚
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Understand and observe the concept of Heat Transfer‚ by measuring the temperature distribution for steady state conduction of energy through a specific efficient unit. • Understand the Fourier Law of heat conduction and the usage of its equation in determining the rate of heat flow via solid materials. II. Theory : The Fourier Rate Equation: When a plane section of ∆x and a constant area A maintains a temperature difference ∆T‚ then the heat transfer rate per unit time by conduction
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demonstrate how rate constants vary with temperature and activation energy. Chemicals and Apparatus : 1. Methyl formate (m.w. = 60.05 g/mol‚ d= 0.97 g/mol) 2. Methanol (m.w. = 32.04 g/mol‚ d= 0.79 g/mol) 3. Ion exchanger I‚ strongly acid cation exchanger‚ H+ form (Merck) 4. Magnetic stirrer hotplate 5. 2 magnetic stirring bars 6. Crystallalizing dish (for water bath) 7. 2 beakers 250 mL 8. Contact thermometer 9. Conductivity measuring cell 10. Temperature probe 11. Graduated measuring pipette
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Abstract The glass transition temperature of polymethylmethacrylate ( PMMA‚ Perspex) is measured using static and dynamic method while the glass transition temperature of rubber of different size is measured using only dynamic method. The glass transition temperature Tg of Perspex is found to be 90°C using the static method and 160°c using the dynamic method. On the other hand‚ the Tg of rubber is found to be -30°C. Introduction Perspex is a type of amorphous polymer and has the following
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11 physics: SPH3U1-01 | Physics Lab Report | Specific Heat Capacity of Brass | | Jin Jin Shi | 2012/12/6 | Instructor: Mr. Nailer | I. Introduction The amount of heat required to raise the temperature of a solid body depends on its change in temperature (ΔT)‚ its mass (m)‚ and an intrinsic characteristic of the material forming the body called specific heat (cp). The heat is calculated from the equation II. Purpose The purpose of this laboratory is to determine the
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