If we weigh something we can find its mass. Use unifix cubes on the other side of the balance scale to see how much an object weighs (Its mass) 1. Press the button INSIDE THIS activity 2. Make sure the scales are balanced. 3. Choose something that is not too heavy to weigh and put it in one side of the scales. 4. Add unifix cubes to the other side until the scales are balanced. 5. Take a of the whole thing. 6. Count up the unifix cubes. 7. Use the or to write how much it weighed (Eg Its mass was the same as 20 unifix cubes) 8. Record what happened. Remember to use the technical words WEIGHED, UNIFIX CUBES, MASS and SCALES. 9. Tap the to upload your work.