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Lesson 06 – Experiment: Sink or Float?

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Read The Experiment to Learn What Sinks and Floats

Sink or Float?

When a solid floats, it is buoyant. Boats, rafts, and other things that float on water are buoyant. Not all solids float.

On a piece of paper, use a chart like the one below to record your predictions and observations.

Solid

Prediction

Observation

marble

sink     float

sinks     floats

feather

sink     float

sinks     floats

coin

sink     float

sinks     floats

button

sink     float

sinks     floats

paper

sink     float

sinks     floats

Now Show What You Know!

Complete some questions about the reading selection by clicking “Begin Questions” below.