We explored density through an easy experiment this afternoon. Using simple material, salt, food colouring and water, the children could conduct the experiment and visually observe different densities between tap water and salt water.
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| We added lots of salt into warm water. |
"Why did the coloured water float and separate from the salt water?"
The coloured water has move to the top of the salted tap water because salt water is heavier than the tap water. The heavy salted water stays at the bottom.
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| "I can stir the water to mix blue water and salted water!" |
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