WebStep 2: Record Predictions. Begin by asking children to make a prediction about how many drops of water they think will fit on the head of a penny. Model the idea of a "prediction" and reassure them that it is not a test, it is simply a guess based on what they think. Record everyone's predictions. Add Tip. WebAfter completing a class experiment, slowly dropping drops of water on a penny, students use this reflective worksheet to evaluate the scientific reasons why such a large number of water droplets are able to fit on a single penny. Subjects: Chemistry, General Science, Physical Science Grades: 2nd - 6th Types:
Drops on a Coin - Science World
WebDrops of Water on a Penny Adhesion and Cohesion NGSS 5-PS1-1 and 5-PS1-3 by Teaching Science With Lynda R Williams 5.0 (43) $3.00 PDF This lesson takes the students through a hands-on experiment in which they test different liquids by dropping them on pennies to learn about the properties of water: cohesion and adhesion. Webwater. dissecting scope (for detailed observations) paper towels (for cleanup) Procedures: 1) Make a prediction (just a guess since we have no data at this point) about how many drops of water will fit on the surface of a penny before it spills over. 2) Perform some "pilot experiments". Remember that your results should be repeatable. inbound shipment appointment
How Much Water Can Fit on a Penny - Bowling Green State …
WebFeb 13, 2024 · Our hypothesis was 8 drops of water can fit on the penny. We thought only 8 drops of water because a penny is small and we didn't think so much water would would … WebMar 3, 2024 · We had 27 drops of water on ours! Surface tension and cohesion are why you can get so many drops of water on a penny. Cohesion is the “stickiness” of like molecules … WebHold your dropper about ½ inch above the penny at a steep angle and slowly add drops of water to the surface of the penny until it overflows--count this as any time the water goes off of the edge. 4. Record the number of drops of water the surface of the penny can hold in the table on the next page under the column labeled “Run 1.” 5. incisor types