nothing, atoms are always moving.
weight.. Mass always stays the same
In physical changes, the amount of mass stays the same because no new substances are formed. In chemical changes, the amount of mass stays the same due to the law of conservation of mass, which states that mass cannot be created or destroyed, only rearranged into different substances.
Butt
The mass.
No, it changes with the seasons.
density
constant variable
Scales
Your mass stays the same; It's your weight that changes.
No, it always changes
An independent variable stays the same even if other variables change.
No, the climate stays the same but the weather changes with the seasons.