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Introduction
In the unit 'Keeping warm' # built on ~ ideas about temperature as a measure of how hot or cold objects are and ^ learnt about thermal insulators as materials which can help to keep things warm or cool. ~ experimental and investigative work focused on * turning ~ ideas into a form that could be investigated. ^ has used thermometers to make careful measurements of temperature. ^ has successfully identified and suggested explanations for patterns and trends in ~ results and used ~ results to draw ~ own conclusions. ^ also had several opportunities to use ~ IT skills to collect, retrieve and present ~ information and to use ~ understanding of science to explain everyday phenomena about keeping warm and cooling down.
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Touch
Section 1: Using touch to judge temperature

^ has identified touch as a method of telling whether things are hot or cold and ^ has suggested it is not very accurate, particularly when differences are small.
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Thermometers
Section 2: Using a thermometer


^ has used a thermometer correctly to make readings of temperature.
^ was given the temperature of a room. ^ was able to also predict the final temperature of an initially cooler or warmer container of water.
^ is able to read correctly the temperature indicated on models or drawings of thermometers.
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Experiment
Section 3: Recording temperatures

^ has explained why ^ thinks some parts of the classroom were warmer than others and ^ has recognised that the temperature of the classroom is usually around 20°C.
^ was able to identify differences in the recorded temperatures and, with help, ^ could explain these in terms of day and night and the characteristics of ~ classroom.
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Insulators
Section 4: Keeping things cold

^ could, with help, suggest a way of testing how to keep cold things cold and what observations ^ had to make.
^ was able to record ~ results clearly in a suitable table using drawings or writing.
^ has identified which materials were effective in preventing an ice cube melting and some common features of these materials e.g. all the materials that stopped the ice cube melting were thick.
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Insulators 2
Section 5: Keeping things warm

^ was able to carry out a fair test e.g. using the same sort of container with the same volume of water in it.
^ has made careful measurements of the temperature of a number of liquid in containers at regular time intervals and presented ~ results in a suitable table.
^ was able to interpret ~ results by making ~ own comparisons of how well different materials kept the water warm.
^ has identified some materials as good thermal insulators. 


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Insulation
Sections 6-8: Insulation

^ was able to compare the results of ~ two investigations and identified a material that kept the ice cube from melting and prevented water cooling quickly. 
^ has stated that metal spoons feel hotter than plastic and wooden spoons.
^ was able to explain that the wooden and plastic spoons are insulators but metal spoons are conductors.
# is able to generalise that metals are both good electrical and good thermal conductors. 
# can identify a range of everyday ways things that are kept cold or warm..
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