Mass

Mass is the quantity of matter which a body contains. This is the same wherever the body is. There are three basic states of matter: solid, liquid and gas, all of these contain atoms and/or molecules that make up the mass of the object.

If my mass was 65 kg. This would be true wherever I went in the universe. Just because I travelled to the moon wouldn't make the number of atoms and molecules in my body change.. it would be the same.. just as my dress-size would! My mass would remain at 65 kg.

Mass Always Stays the Same!!

How tightly packed the mass is within a given space is called the density

Click here to read Hannah's 'Mass and Weight Rap'

Click here to listen to form 7A's song - 'It stays the same'

You need to look at video number 1 for inertia and numver 2 for mass. Replace the 'Video number from menu......' with '1' and press 'enter or return'. Then replace the 'Video number from menu......' with '2' and press 'enter or return'.

Mass is a measure of inertia. The more mass an object has the more difficult it is to make it accelerate. See Newton's first law.

Mass and Weight Lesson Plan (MS Word doc) Worksheet (MS Word doc) Technician Equipment Order (MS Word doc) Lesson Specific PowerPoint (MS ppt)