English National Curriculum - Science Science
Mission Objectives
Identify independent, dependent and control variables in an investigation
Describe the method used to investigate thermal insulation properties of a material
Plot a graph to analyse the data collected in the investigation
Evaluate potential sources of error in the investigation and suggest improvements
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Words and meanings to learn
beaker
a glass with a wide mouth and usually a lip for pouring that is used especially in science laboratories for holding and measuring liquids
insulator
a material that is used to stop the passage of electricity, heat, or sound from one conductor to another
imperative
of vital importance; crucial
uncertainty
the interval within which the true value is expected to lie
effective
successfully achieving the most accurate result
Resources: A beaker (eg 250 ml and 100 ml), a thermometer, a kettle to heat water, a piece of cardboard, scissors, a stopwatch and insulating material (e.g newspaper, corrugated cardboard, bubble wrap or rubber bands).
Handout: Plan the practical to investigate how changing the insulation material affects the cooling rate of a beaker. Write the method for the investigation and record the variables. Record the results and plot a graph to show the cooling curves. Analyse results and discuss errors.
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