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Are teaspoons accurate enough for measurement in cooking and medicine?
How does the number of measurements affect precision?
When is a teaspoon full?
Estimated time: 20 minutes
No prior knowledge needed.
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Mop up spilt water immediately.
Watch the video, then follow the instructions.
Empty a teaspoon of water into an empty measuring jug. Take care not to spill water. Count 1. Do not worry that the water may be a little higher than a level teaspoon (due to surface tension).
With the same teaspoon, add another teaspoon of water into the measuring jug. Count 2.
Keep adding more teaspoons of water (as step 2), counting them until the water in the measuring jug is up to the 200 ml mark
Calculate your spoon’s capacity by dividing 200 ml by the number of spoonfuls you counted.
Empty the measuring jug and repeat the experiment (steps 1 - 4) for other spoons.
Enter results below.
SI measurement units
Challenge Topics: Measurement science, maths, capacity.
Please enter your results in the table below. You may enter as many results as you like. Each time you submit, cells will empty to indicate you have sent us the information.