We've learned that the volume of a cuboid is its length multiplied by its width multiplied by its height (\(l \times w \times h\)). The area of the green shaded end of the cuboid (the cross section) ...

It is tempting to think that some materials are always heavier than other materials. For example, someone might say that metal is heavier than air. But it depends on how much of each material there is ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...