Specific Heat Capacity. Lesson Objectives To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know.

Slides:

Advertisements

Similar presentations

Todays lesson Demonstrate understanding of the term thermal capacity Describe an experiment to measure the specific heat capacity of a substance Recall.

Advertisements

SPECIFIC HEAT CAPACITY NOADSWOOD SCIENCE, SPECIFIC HEAT CAPACITY To understand and be able to calculate specific heat capacity Thursday, June 12,

By the end of this lesson you will be able to:

P1a (ii) Heating Houses You will learn about: Factors that affect the amount of energy needed to change the temperature of a substance (Specific Heat Capacity)

Thermal Capacity Specific Heat Capacity Melting & Boiling Condensation & Solidification.

Enthalpy. Specific Heat Capacity Definition: The HEAT ENERGY required to raise the TEMPERATURE of 1kg of substance by 1 o C. e.g. for water C= 4.18kJ.

Specific Heat and Using the Heat Equation

TP Be able to Define thermal capacity. Explain the significance of high and low specific capacities.

Specific Heat Capacity Objectives (a) define and apply the concept of specific heat capacity; (b) select and apply the equation E = mcΔθ; (c) describe.

Specific Heat. Names Specific Heat Capacity Specific Heat Heat Capacity.

1 Measuring Heat Energy. 2 Heat Energy that flows from something warm to something cooler A hotter substance gives KE to a cooler one When heat is transferred.

General, Organic, and Biological ChemistryCopyright © 2010 Pearson Education, Inc.1 Specific Heat.

The transfer of energy by heating processes

» Heat and temperature are not the same. ˃Consider the picture below, both spoons are absorbing the same amount of heat. +But the metal spoon’s temperature.

Define Celsius Scale Reading of thermocouple thermometer: At 100 o C the current is 68 mA At 0 o C the current is 0 mA Now the current is 52 mA, what is.

Thermal Insulators and Conductors Thermal Conductivity: The ability to conduct heat. Thermal Insulators do not conduct heat readily. Generally, metals.

P1.1.4 Heating and Insulating Buildings

Chapter 16: Thermal Energy and Heat Section 1: Thermal Energy and Matter.

Thermal Energy.

Compounds Chapter 3 Section 2. Lesson Objectives Define Compound Describe How Elements Combine to Form Compounds Use Properties to Determine the Identity.

6.3 Heat Capacity If you were to heat up a pot of water on your stove top it would take a considerable amount of time. However, if you were to heat up.

Heat (energy) Transfer

So taking a bite….this happens…..which ingredient has caused the problem and why?

Specific Heat Capacity The specific heat capacity of a material is the amount of energy needed to raise the temperature of 1kg of the material by 1°C.

B3 ENERGY TRANSFERS Year 11 GCSE Physics (B3). LESSON 1 – Efficiency LEARNING OUTCOMES: Calculate the net energy transfer from a number of different transfers.

P1a 1.3 Conduction. Lesson Objectives To state that metals are good conductors of thermal energy. To list poor conductors or insulators. To explain why.

Thermal Energy A. Temperature & Heat

Heat and States of Matter

Specific Heat Capacity Weather Unit – Science 10.

L/O :- To understand and be able to calculate specific heat capacity

© Oxford University Press 2011 IP Specific heat capacity of various materials Specific heat capacity of various materials.

Learning Outcomes: Rearranging equation for Specific Heat Capacity Topic Equation for Specific Heat Capacity Target Audience: G & T Teacher instructions.

Specific Heat and Thermal Flow. Specific Heat The heat required to raise the temperature of the unit mass of a given substance (usually one gram) by a.

Thermal Energy & Heat Physical Science Chapter 6.

Ch. 3 Energy. Energy is the ability to do work or effect change. Energy can be measured in joules, J. Many different forms of energy exist: Electrical.

Energy Q1: What is energy? Q2: List as many types of ‘Energy’ as possible. Keywords:

SPECIFIC HEAT CAPACITY Thermal Energy Transfer. H EAT C APACITY Explain the following diagram.

 Heat travels from hot to cold  The bigger the temperature difference the faster the rate of transfer.

Emitters of radiation White/sil ver surfaces emit less thermal radiation. Polar bears are white so they emit less thermal radiation. Keywords: Conduction,

2.3 Heat capacity and specific heat capacity

Heat transfer. Why does heat transfer happen? Heat is a type of energy called thermal energy. Heat can be transferred (moved) by three main processes:

Thermal Energy Temperature & Heat 1. Temperature is related to the average kinetic energy of the particles in a substance.

Heat energy is measured in units called joules or calories. 1 calorie is the amount of heat energy needed to raise the temperature of 1.0 g (mL) of water.

Specific heat capacity. Consider 2 beaker’s filled with paraffin and water If both are heated on the same heat source, over the same amount of time, the.

Specific Heat Capacity The use of an equation CHAPTER 15.

 Different substances require different amounts of heat to change their temperature.  Objects that require more energy have a high heat capacity like.

Story 1 En Halba who now has a microwave oven puts in two bowls of soup. After heating for one minute, he finds that the bowl with more soup is just right.

7.3 Heat pp Mr. Richter. Agenda  Warm-Up  Check and Review HW  Business:  Collect/Return Lab Notebooks  Anyone who still owes me a quiz.

Heat and Heat Technology. Temperature  …is the measure of the average kinetic energy of the particles in an object.  - the faster the particles, the.

Thermal Physics Energy meter Thermometer Immersion heater

Week A material that heats up and cools down quickly

Thermal Physics Experiments.

Specific heat capacity ‘c’

Mini-test State the unit for power

Unit 5: Thermochemistry

What is it and how do we measure it?

5.3a Thermal Physics Thermal Energy

Thermal (heat) capacity

Specific heat capacity

Why do penguins huddle?.

Thermal Energy and Heat

Thermal Energy and Heat!

Warm up: copy this summary of yesterday’s lesson in your notes Thermal Energy vs. Temperature vs. Heat Thermal Energy Temperature Heat the total amount.

Heating up • Relate a rise in the temperature of a body to an increase in internal energy • Show an understanding of the term thermal capacity Supplement.

EDEXCEL GCSE Energy – forces doing work

Energy Calculations ∆Q = m x c x ∆θ.

Heat and Temperature.

Presentation transcript:

Specific Heat Capacity

Lesson Objectives To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature On a hot summers day a block of metal and a black of concrete were left out in the Sun. If both blocks have the same mass, which one will get hotter quicker – why?

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature On a hot summers day a block of metal and a black of concrete were left out in the Sun. If both blocks have the same mass, which one will get hotter quicker – why? The metal block as metal conducts thermal energy better. What would affect how quickly the block heats up?

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature What would affect how quickly the block heats up? What substance it is made from The mass of the substance The amount of energy supplied to it.

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Complete the following: -Temperature is measured in ……. -Temperature is measured using ……. -Energy is measured in ……. -Energy is measured using a ……

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Complete the following: -Temperature is measured in Degrees Celcius (C) -Temperature is measured using thermometer -Energy is measured in Joules (J). -Energy is measured using a Joulemeter.

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature When water was heated, the following results were achieved: TestMass of water (g) Energy Supplied (J) Change in Temperature (C)

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature More accurate measurements would have shown: 4200J of energy is needed to increase 1kg of water by 1 0 C.

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature 4200J of energy is needed to increase 1kg of water by 1 0 C This is known as the Specific Heat Capacity of Water

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Specific Heat Capacity Is the energy needed for 1kg of a substance to raise its temperature by 1 0 C

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ E = Energy transferred (Joules, J) m = mass (kilograms, kg) c = Specific heat capactity (Joules per kilogram per 0 C) Θ = temperature change ( 0 C)

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ How much energy is needed to heat 5kg of water from 20 0 C to 60 0 C?

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ How much energy is needed to heat 5kg of water from 20 0 C to 60 0 C? 840,000 J (840 kJ)

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ Aluminium with a mass of 1kg is heated from 14 0 C to 22 0 C. This change in temperature uses 7200J. What is the specific heat capacity of aluminium?

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ Aluminium with a mass of 1kg is heated from 14 0 C to 22 0 C. This change in temperature uses 7200J. What is the specific heat capacity of aluminium? E 7200 m x Θ 1 x 8 = 900J/kg 0 C

To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Storage Heater This is a device that uses electricity at night (off peak) to heat special bricks in the heater. Energy transfers from the bricks keep the room warm. The bricks have a high specific heat capacity. They warm up slowly when heated, but as cool down slowly when the heater is off. This is one way to be more cost effective.

Are you now able to…. I still feel unsure. I need some more help to understand. I feel ok. I need to do some more work to check my understanding. I am happy and feel I understand and can explain the main points. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature