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They should notice that the floating vial has a density less than 1 g/ml, the sinking vial has a density greater than 1 g/ml, and the suspended vial has a density close to 1 g/ml.One part of my metric unit includes a few lessons related to conversions.
- Print the "Metric Mania" (front of cards) on colored paper or cover stock, then print the problems on the back.During this lesson, students use the information from a measurement chart to convert measurements.This assignment allows my students to connect the English system of measurements used in our daily lives to the metric system units.- For the mass lab, students first estimate the mass of various objects, then find the actual mass using triple-beam balances or other scales.To prepare for the activity you will need to organize various items (coins, paper clips, marbles, rocks, large washers/s-hooks, etc.) and triple-beam balances or scales for each group.Brad Loewen, a competitor in the Science Olympiad event titled Metric Estimation, used the phrase "Challenge your students to a scavenger hunt with metric conversion problems!I hide 60 game cards with metric conversion problems in my room.I laminated my set so the cards can be used more than once and hold up to repeated use by junior high students.Activities, lessons, & worksheets available on any page of this web site are intended for use by a single teacher in his/her classroom or to share at educational conferences.Some of the cards are easy to see, while others are hidden under science tables, chairs, the garbage can, behind a curtain or poster, or other places that are easy to search.(I don't hide them inside anything so the kids don't have to go searching through my cabinets or desk drawers.) The kids work in teams to find the cards and solve the problems.