Thermodynamics principles were developed during the industrial revolution when the steam engine and later the gasoline engine became the focal point of intense research. Summary of pearson edexcel international gcse in physics issue 2 changes summary of changes made between previous issue and this current issue page number a symbolic equation has been included for the formula force change in momentum time taken 50 the equation change in thermal energy mass. It is the energy needed to increase the temperature of 1 kg of the material by 1c and is measured in jkg c. Microsoft word important equations in physics for igcse course.
A thermometer monitors a suitable physical property. Specific heat capacity and latent heats posted by osama qadri at 8. An equal mass of water in the same sun will not become nearly as hot. A series of free gcse igcse physics notes and lessons with examples and solutions.
Gcse physics required practical 1 specific heat capacity tes. The amount of heat energy that a substance has also depends on its specific heat capacity. Specific heat capacity 10 multiple choice questions. Lead will warm up and cool down fastest because it doesnt take much energy to change its temperature. Specific heat capacity physics gcse revision science. The weird thing is that the surface colour of an object makes a difference. Here you need to work out the energy required to raise a certain mass of water by a known temperature. This heat energy movement is sometimes called heat waves, but strictly speaking, it is infrared radiation. Rotate to landscape screen format on a mobile phone or small tablet to use the mathway widget. We then look at how to calculate specific heat capacity. Physics specific heat capacity past paper question help the.
Specific heat capacity examples, solutions, videos, notes. Thermal physics heat temperature specific heat capacity specific latent heat 2. Get an answer for what is the difference between thermal capacity and specific heat capacity. It is useful to remember that the specific heat capacity of water is 4. Igcse physics chapter 2 thermal physics cambridge cie. Formulas for gcse igcse physics physics formulas energy kinetic energy elastic potential energy gravitational potential energy specific heat capacity specific heat capacity experiment energy transfers examples work done by a force power and work done energy efficiency energy from fossil fuels renewable energy atomic structure and radioactivity. Alternatively, you could measure the specific heat capacity of a metal block using the same method heat it with an electric heater connected to an. Heat transfer, specific heat, and calorimetry university. Its helpful because it allows us to work out how much energy we need. In this video, we look at specific heat capacity and how we use this to. This energy is absorbed by the molecules which result in the molecules gaining kinetic energy, hence moving faster. Theories for linear rela aqa core science paper 1 higher june 2014 sca1hp ocr gateway gcse physics b june 2014 p16 gcse physics aqa higher 91 required practical 1.
Important equations in physics for igcse course general physics. A whole lesson including starter activity, afl work tasks and main work task all with answers on specific heat capacity. Heat heat capacity and nature of substance heat capacity matter becomes hotter when heat is transferred to them. The heat capacity per kilogram is called the specific heat capacity of that substance. Build your understanding this is how to measure the. There are different ways to investigate methods of insulation. The main points of difference between these experiments are. If 1,000 j of heat is absorbed by a one kilogram block of lead, the particles gain energy and the temperature of the block rises.
State the factors that are affected by an increase in temperature of a substance. Specific heat capacity formula solved examples byjus. What is the difference between thermal capacity and. Thermal physics, this course covers all the points in the syllabus that are related to thermal physics, the course is directed to the point and restricted to the syllabus nothing less and nothing more, so you will not waste your time, with invaluable speech. C, and then your right and left hand into a and b respectively. The definition of specific heat capacity of any substance is the quantity of heat required to change the temperature of a unit mass of the substance by 1 degree. Specific heat capacity powerpoint and worksheet aqa gcse. This experiment is used to find the specific heat capacity of brass by assuming that all the thermal energy transferred from the hot water increases the temperature of the lump of brass.
Every material in the world has a different heat capacity. Consider the situation when we have a 100 g of copper and a 1 kg copper block. Measure the mass of the metal block using an electronic balance. Q p u is the initial velocity, v is the final velocity and t is the time. First we look at what is meant by specific heat capacity. When the temperature of an object increases it has gained energy. In the video below, the method for determining the specific heat capacity using a joulemeter is applied to heating oil. You are given the equation for this in the exam, so you dont need to. Cambridge igcse physics 3rd edition free download pdf this new edition has been written by experienced authors and teachers to support the latest syllabus for cambridge international examinations igcse physics 0625. Written by expert teachers for the cie igcse 91 0972 ag 0625 syllabus. Heat transferred specific heat capacity x mass x change in temperature.
All the exercise of chapter 27 specific heat capacities of gases questions with solutions to help you to revise complete syllabus and score more marks. Gcse science physics 91 specific heat capacity duration. Laboratory practical book answers hodder education. What the energy required to heat a substance up depends on. A container that prevents heat transfer in or out is called a calorimeter, and the use of a calorimeter to make measurements typically of heat or specific heat capacity is called calorimetry. The faster moving molecules cause the temperature of the system to rise. By the end of this lesson ks4 students should be able to. Specific heat capacity cie igcse physics revision notes. Heat capacity and specific heat chemistry libretexts. Gcse physics specific heat capacity by zalkifel skander. Learn about and revise energy changes involved when a material changes state with gcse bitesize combined science. In this gcse physics video we look at specific heat capacity.
Designed by expert teachers at save my exams for the edexcel igcse 91 physics syllabus. The higher the value the more energy that needs to put in. Heat and heat capacity heat as energy temperature vs. Heat capacity heat capacity, like volume or mass, is a property that depends on the amount of material we are considering. This means that it takes 4,200 j to raise the temperature of 1 kg of water by 1c. Designed by expert teachers at save my exams for the edexcel igcse 91. Jun 09, 2014 cambridge igcse physics, second edition matches the requirements of the 2016 cambridge igcse physics syllabus 0625. Physics specific heat capacity question the student room. A diagram of the apparatus used in an experiment to find the specific heat capacity of a metal block. Specific heat capacity gcserevision, physics, energy. Different substances respond to heat in different ways.
Specific heat capacity temperature changes and energy. Home igcse physics revision notes thermal properties of. Use the correct equation from the physics equation sheet. At that time, it was found that the specific heat at constant volume cv of a substance is defined to be its heat capacity per unit mass when all changes are made.
Specific heat capacity powerpoint and worksheet aqa gcse 2016. Repeat this experiment for blocks made from other materials such as aluminium and iron. Specific heat capacity is the term used to describe the amount of energy required to heat up a substance, as such it does not concern itself with the change of state process. Past papers physics olevels and igcse wednesday, april 25, 2012. The branch of physics that study the temperature, heat energy and their relation to. Using this information, it is possible to calculate how much energy needs to be out into a substance to increase it. Gcse physics required practical activities practicals. This experiment is used to find the specific heat capacity of brass by assuming that all the thermal energy transferred from the hot water. Gcse physics required practical 1 specific heat capacity. Specified practical determination of specific heat capacity. Students can use the physics equation sheet to calculate the specific heat capacity of the metals they are investigating.
Isaac physics a project designed to offer support and activities in physics problem solving to teachers and students from gcse level through to university. The heat capacity of a substance is the work done raising the temperature of the substance by 1 kelvin. When two bodies are placed in contact, the total amount of heat is equal to the sum of heat of individual body. This is the change in energy stored in an object or system as its temperature changes. An objects heat capacity symbol c is defined as the ratio of the amount of heat energy transferred to an object to the resulting increase in. Jun 06, 2017 this covers specific heat capacity for p1 aqa. Specific heat capacity energy and heating aqa gcse. We are equating the decrease in thermal energy store of. Gcse science physics 91 specific heat capacity youtube. Describe the effect of increasing the temperature of a system in terms of particles. The specific heat capacity is different for different materials. The specific heat c is a property of the substance.
If you put both your hands into a beaker c of tap water at 22. This course is about extended cambridge 0625 igcse physics chapter 2. Hc verma class 12 physics part2 solutions for chapter 27. May 18, 2017 in this video, we look at specific heat capacity and how we use this to calculate the thermal energy stored in an object. Look at the axes, the gradient is 1 over heat capacity not heat capacity, so highest heat cap would be smallest gradient which is c. Salt concentration relationship with specific heat capacity.
Cambridge igcse physics, 3rd edition tom duncan, heather. We are equating the decrease in thermal energy store of the water to the increase in thermal energy store of the brass. Revision test igcse physics heat and thermal physics. Specific heat and heat capacity problems and solutions. Section a mcqs and section b structured questions content heat kinetic energy of particles temperature calorimetry heat capacity specific heat. Hot objects radiate heat to their colder surroundings. Chapter 3 heat capacity and specific heat capacity 5 3. Gcse physics what is the difference heat and temperature. If a metal chair sits in the bright sun on a hot day, it may become quite hot to the touch.
Free physics revision notes on the topic specific heat capacity. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Specific heat capacity edexcel igcse physics revision notes. Describe and explain the terms heat energy and temperature. It is endorsed by cambridge international examinations for use with their. The amount of thermal energy required to increase the temperature of an object of a certain substance by 1. Calculate the specific heat capacity of the copper c by using the equation c e m.
It is common sense that the 1 kg will need to absorb more heat in order to increase its temperature by the same amount compared to the 100 g copper block. Gcseigcse physics solutions, examples, worksheets, videos. It has low specific heat capacity and it expands uniformly when heated. Specific heat capacity is the amount of energy in joules needed to increase the temperature of 1 kg of a substance by 1 degree celsius. The mass of the object, m the specific heat capacity, c the specific heat capacity is different for different materials. Finding specific heat capacity igcse physics example. We will use the term calorimetry problem to refer to any problem in which the objects concerned are thermally isolated from their surroundings. Included is a helpful powerpoint, clear method and differentiations worksheets for students to record their findings and their investigation notes. The physics and much of the experimental setup is the same as the method for heating metals.
Because water has a high specific heat capacity, it is a useful substance for storage and carrying thermal energy, such as in central heating systems. Metal blocks with the same mass, yet bigger volume have a bigger specific heat capacity. The hotness of an object is a measure of the kinetic energy of the molecules that make up that object. The heat energy must have reached the toast some other way. If it is measured for unit mass ie 1 kg it is called the specific heat capacity.
Specific heat capacity, c, of a body is defined as the amount of heat q required to raise the temperature. The specific heat is the amount of heat necessary to change the temperature of 1. A body with mass 2 kg absorbs heat 100 calories when its temperature raises from 20 o c to 70 o c. As you read through the book, you will notice four sorts of shaded area in the text. Temperature is the measure of how hot an object is. The specific heat capacity of water is 4,200 joules per kilogram per degree celsius jkgc. A calorimeter of mass 50 grams and specific heat capacity 0. Required practical measuring specific heat capacity.
This resource is based on the aqa combined science physics paper 1. To summarise, specific heat capacity is the amount of energy needed to raise one kilogram of a substance by one degree celsius. We shall discuss the physical meaning of thermal capacity. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. Learning intention zooming in on specific heat capacity to help calculate heat transfer learning outcomes starter all understand how mass affects temperature change d most explain the term specific heat capacity using examples c some apply the specific heat capacity. R o p v is the velocity in ms, s is the distance or displacement in meters and t is the time in seconds 2 for acceleration a r. T is the same in units of kelvin and degrees celsius. What is specific heat capacity how do i calculate it category. Jul 26, 2017 what is specific heat capacity how do i calculate it for the love of physics walter lewin may 16, 2011 duration. Cambridge igcse physics coursebook second edition issuu. Free pdf download of hc verma solutions for class 12 physics part2 chapter 27 specific heat capacities of gases solved by expert physics teachers on. Usually this is changed to 1c, although 1 celsius degree would be more correct.
Oct 09, 2015 homework statement earlier today i was doing some coursework to find the specific heat capacity of an unknown metal by submersing 100g 0. Demonstrate understanding of the term thermal capacity. Scroll down the page for lessons and examples for the following topics. It is the amount of heat that should be supplied to a body in order to raise its temperature by one kelvin.