- Subject index
Forty classroom-ready science teaching and learning activities for elementary and middle school teachersGrounded in theory and best-practices research, this practical text provides elementary and middle school teachers with 40 place-based activities that will help them to make science learning relevant to their students. This text provides teachers with both a rationale and a set of strategies and activities for teaching science in a local context to help students engage with science learning and come to understand the importance of science in their everyday lives.
Activity 15: Water Drops and Water Loss
A drop is a small volume of liquid that falls into free or open space. Drops are very interesting in terms of studying patterns. Drops tend to be round like soap bubbles—this is because they are a minimal surface—essentially taking the most energy-efficient form possible. Liquid drips are periodic, meaning that they tend to drip at regular intervals. Dripping water has been used to create highly accurate clocks and timers—much the same way that sand can be used to record the passage of time in an hourglass.
Dripping water can be interesting to study, but it is usually not a good thing. Running toilets and dripping faucets waste large of amounts of water in homes and ...