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Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.