Measurement - Hefting Success Criteria: I can heft objects to determine heavier and lighter. Watch multimedia instructions. Step 1. Find an object in your home and take a photo of it. Put the photo in the white circle. Step 2. Find other objects in your home to compare it with. Heft the objects to determine if they are heavier or lighter than the object in the white circle. Step 3. Take a photo of each the objects and sort them into the Lighter or Heavier side. Aim to find 3 lighter objects and 3 heavier objects. Step 4. Use the to record your voice and explain what you found. Step 5. Press to upload your work.