Do you have a balance scale in your classroom and don't know how to utilize it? These printable measurement activities will help you put that balance scale to good use during a measurement unit or throughout the year. The resource will give you and your kids the structure needed to explore the concept of weight in a fun, mess-free way. Perfect for your science center, math center, or stem stations, in your preschool, pre-k or kindergarten classroom; this resource will help you use everyday items to explore the concepts of measurement, weight or mass, more or less than These printables were made to be used with a balance scale and a number of containers filled with materials (directions included). Guide your kids through the scientific method as they explore the materials, take two materials, predict which is heavier/lighter, test their prediction, and record their results on the comparison mats or on a note. This is a perfect addition to your STEM, STEAM, or math centers and lesson plans in your preschool or pre-k classroom. This comparing weight activity includes the following: 36 material cards 1 weight comparison mat half sheet black and white note pages ***PLUS editable material cards *You will also need the following to complete the activity: a bucket or balance scale a variety of materials to fill the containers small plastic containers to hold materials (plastic baby food containers work great) The 36 material cards provided with this activity include a wide variety of everyday materials which you probably already have at home or in your classroom. You do not need to provide all of the materials. The following material cards are included in this set. pom-poms buttons googly eyes paper clips toothpicks crayons rubber bands beads sequins nails cotton swabs bolts gems yarn pennies bubble wrap pipe cleaners marbles soil sticks rocks sand leaves bugs spiders feathers cotton balls shells sticky notes safety pins spring toys erasers bubble gum grass construction paper playdough NEW- Make your own material cards to customize this set. I have updated this set to include two versions of material cards* Text only cards- you can add a row of text to the center of these cards. Text and photo cards - you can add a photograph (please read all of the directions) and a row of text below the photo. *You will need the most recent version of Adobe Acrobat Reader to edit these files. ❓ DO YOU HAVE QUESTIONS? Are you looking for some answers before making a purchase? Or maybe you have some questions about an activity you've already bought. Whatever it may be, feel free to reach out to me HERE. I'd be more than happy to assist you in any way I can. Related Products • Comparing Weight Seasonal Activities Bundle • Spring and Summer Comparing Weight Activity • Fall & Halloween Comparing Weight Activity • Christmas Comparing Weight Activity • Winter Comparing Weight Activity