TV on a Rolling Cart

Comparing Density of Liquids

From Let's Learn · 2020

Comparing Density of Liquids
1st2ndScience
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Summary

A science demonstration that layers liquids like honey, water, and oil to show that some are heavier (denser) than others. Children observe the layers and describe what they notice about each liquid.

Viewer safety

All ages

Our rating is a quick teacher-to-teacher guide — preview before showing.

Teaching resources

Discussion questions

After watching “Comparing Density of Liquids” together:

  1. What happened when the liquids were poured into the same cup?
  2. Which liquid sank to the bottom? Which floated on top?
  3. How could you describe the different liquids?

Quick work-a-long

Words to know: liquid, layer, float, sink, dense

Predict: will oil float or sink on water? Draw the layers you think you'd see, then tell why.

Comparing Density of Liquids — TV on a Rolling Cart