Curated OER
Close Observation: Coins
Integrate math, science, and speaking/listening with a collaborative hands-on activity. Each group works with a single penny, examining it with the naked eye and recording observations. Repeat using magnifying glasses. Then repeat with a...
Curated OER
Surface Tension On Coins
Pupils drop water onto clean coins to determine the tension of each coin and then to graph their findings.
Curated OER
Take a Dip: Sticky Water
Students complete lab activities to investigate the "sticky" properties of water, such as surface tension and capillary action, due to the polarity of the molecules.