All Observing and measuring articles – Page 9
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ResourceInvisible inks
In this experiment, students test a variety of substances to see if they can be used as an invisible ink.
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ResourceSpinning colour top
In this experiment, students observe, describe and explain what happens when a multicoloured disc spins at a high speed.
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ResourceMaking a rainbow
In this experiment, students observe what happens to white light as it passes through water droplets.
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ResourceOil and water mix
In this practical, students predict and observe what happens when water and alcohol, and water and oil are mixed.
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