HARRY ARMSTRONG talks about
3: Keeping things cleanJunior Science series
11.20 TIME AND TUNE by Kay Foster
11.40 HEAT
2: Measuring temperature Written by Hugh David General Science series
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HARRY ARMSTRONG talks about
3: Keeping things cleanJunior Science series
11.20 TIME AND TUNE by Kay Foster
11.40 HEAT
2: Measuring temperature Written by Hugh David General Science series