English National Curriculum - Science Science
Mission Objectives
Understand what a control test is
Understand what a control test is and suggest variables to compare
Understand what a control test is and carry out a fair test, varying only one aspect at a time
Enquiry Skill - Setting up tests
Carefully following a method and using equipment accurately to carry out a scientific enquiry. The method may be designed by teachers or children themselves.
Enquiry Approach - Comparative / fair testing
Conducting a test that controls all but one variable to answer a scientific question.
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Words and meanings to learn
baking
the process of cooking bread, cakes or pastry
variable
something that is changed
control experiment
an experiment that is used to compare with other experiments where there are variables
measurement
the exact quality of something
fair test
where one variable is changed and all other elements are kept the same
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Resources: Butter, caster sugar, self-raising flour, eggs, vanilla extract, milk, a mixing bowl, a whisk, a wooden spoon, a measuring jug, weighing scales, an oven and a 20cm cake tin (variables could also include baking powder, water and a selection of different flours, e.g. plain or gluten free).
Core Handout (2): An investigation sheet which has space for the children to write their question, hypothesis, ingredient and equipment list and the process of conducting their experiment. A space for the children to draw what they think their cake will look like is also included, along with a recipe for a control cake.
Stretch Handout (3): An extra sheet with a space for the children to explain how they will ensure they're conducting a fair test.
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