rafinder iaradoitn liods quiild asg ctoniconud cevnocniot vaperotanoi tasionnednoc cepiicfs taeh aaccytip Infrared Radiation Solid Liquid Gas Conduction Convection Evaporation Condensation Specific heat capacity Un-muddle these anagram and write a definition for three on the back

1. Keywords: Write a definition for each of these words:  Infrared  Evaporation  Condensation  Specific heat capacity  Efficiency of energy  Temperature  Insulator  Vacuum 2. Energy Transfer 1. What is radiation? 2. What is conduction? 3. What is convection? Give examples of each. You must include these words in your answers: particles, electrons, poor, good, heat energy Challenge: Explain why should radiators be painted black? 3. Types of energy 1. How do you calculate the efficiency of an object? 2. What is the equation for GPE? 3. Name all the types of energy. Challenge: Write a description of each type of energy. 4. States of matter 1.Draw a diagram to show the three states of matter. 2.What methods of heat transfer can happen in each state? 3.Why does blowing over a hot drink cool it down? Challenge: Add arrows between each state to describe how they change. 5. Buildings 1.55kJ of energy was transferred to a material with a mass of 5kg. The temperature increased from 20°C to 60°C. What is the SHC of the material? 2.What are the units for SHC? Challenge: Water is used to cool car engines. Explain why water is used and not some other substance. 6. Exam Question Come and collect one question sheet at a time, each question is worth different points. You need to complete enough exam questions to earn 10 points for a stamp. Minimum of 2 questions completed. By the end of the lesson: All normal questions completed in each section

Check your definitions  Infrared – type of heat radiation reflected off the Earth  Evaporation – the method changing the state from liquid to gas  Condensation - the method of changing state from gas to liquid  Specific heat capacity - The amount of energy needed to raise the temperature of 1kg of the material by 1°C – water is a good example of this.  Efficiency of energy – working out how efficient an object is when used  Temperature - the degree of intensity of heat in an object  Insulator – a material that does not readily allow heat to transfer through it  Vacuum – contains no particles for example in space

The temperature of the water in a beaker A is initially 90°C and the temperature in beaker B is 19°C. Explain what will happen in time. (3) Beaker A Beaker B What features of the cape fox’s ears increase the rate of energy transfer by heating? (1) Why is a solar panel black? (1) What energy transfers happen when you light a barbeque? (2)

Isabelle and Reegan both noticed that after a hot summer’s day the bricks of their house gave off a lot of energy during the evening. Why does this happen? (1) Tom is trapped on a small desert island with no fresh water to drink. He remembers from his science lessons that he may be able to evaporate sea water to get pure drinking water. What could Tom do to ensure that he has a supply of water? (2)

r qu. Climber qu. (a) potential 1 (b) (i) allow 1 mark for correct substitution, ie 660 × 20 provided no subsequent step shown Hooke’s Law (a) (i) B C either order 1 (ii) elastic potential (energy) accept strain for elastic Wheelbarrow up slope (a) 572 allow 1 mark for correct substitution, ie 220 × 2.6 allow 1 mark for 220 × 260 = or 220 × 2600 = but to score this mark the entire calculation must be shown 2 Hair dryer Plank as simple machine Kinetic energy of larva

Draw a 3x3 grid

Definition Bingo Choose 9 words: Conduction Electrical energy SHC GPE Efficiency Convection Radiation Evaporation Solid Liquid Gas Heat energy Sankey diagram Work done Vacuum Temperature Thermometer Black Silver Insulator Potassium Permanganate

The process by which heat is directly transmitted through the material of a substance when there is a difference of temperature; it happens most effectively in solids Conduction

mass × gravitational field strength × change in height= GPE

This colour absorbs the heat energy Black

This can be transferred from one object to another, it is as of a result of tiny particles moving Heat energy

Force x distance moved = Work Done

This is the way heat energy is transferred through liquids and gases effectively Convection

A type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase Evaporation

Gas

The amount of energy needed to raise the temperature of 1kg of the material by 1°C – water is a good example of this. SHC

This is a piece of equipment used to measure temperature and its unit are °C Thermometer

Travels in waves which means it can travel through space where there are no particles. Radiation

Liquid

This diagram can be used to show the useful and wasted energy in an object Sankey diagram

Solid

A material which does not readily allow the passage of heat Insulator

Infrared radiation tends to be reflected when it comes into contact with this colour Silver

A measure of the warmth or coldness of an object Temperature