ScarfScience

Materials:· Water, cup, eyedropper, pennies, paper towel and lab sheet Background: Students need to know how to safely use laboratory tools. Correct tools usage creates a safe environment, which will allow lab experiments to run carefully and correctly. In the Penny Drop Lab, there are two properties at work, cohesion and surface tension. “Cohesion is the attraction of like molecules to one another. Surface tension is a special term we use to describe the cohesion between water molecules.” Hydro

This resource is a wonderful assessment tool for all grade levels to use when watching a video clip. It can be used as an Exit Slip. It can easily be modified to use with any Video Clips. Provide your students with instructions verbally or written on the board, have students copy directions, then play the video while they use the space to answer.