Energy 17/11/2018 Objective To describe changes in materials due to temperature changes.

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Presentation transcript:

Energy 17/11/2018 Objective To describe changes in materials due to temperature changes.

Starter 3oC 0oC -34oC to 8oC 37oC 100oC Estimate the temperature in each of the pictures: 3oC 0oC Check that pupils understand the concept of an estimate. Arctic temperature shows average for winter and summer. Extension: Write up 5 temperatures on the board (including negatives) and get pupils to rank them from lowest to highest. -34oC to 8oC 37oC 100oC

Temperature and Heat Energy Discuss with the person next you, the difference between temperature and heat energy. Temperature – A measure of how hot an object is. Heat Energy – The energy which moves from a hotter place to a cooler place. Explain what would happen to the water in the cups, using both keywords, temperature and heat.

Heat Energy What are these images showing? Bottom left image shows a snake wrapped around a hand.

Transferring Heat (Thermal) Energy Equipment Risk Assessment Method Results Questions (1-5) Extension: Question 6 A 100 cm3 beaker Tongs A heat resistant mat A Bunsen burner A metal coin or disc A measuring cylinder (25 cm3) A thermometer Eye protection Resources: Lesson 1 Practical Worksheet and Practical Equipment

Plenary 1 Energy can be moved around in the form of heat. a) We can measure how hot something is. What do we call this measurement? b) An object at high temperature is placed in room at much lower temperature. Which way is energy transferred?” Temperature. Heat energy moves from a hotter place to a colder place (from a place at higher temperature to a place at lower temperature).