f Infer that science investigations generally work the same way in different places.
2 Apply an understanding of properties of objects and materials, position and motion of objects, and properties of magnetism.
a Investigate to conclude that when water changes to ice and then melts, the amount of water is the same as it was before freezing.
b Investigate and describe properties and changes of matter.
Unique properties of states of matter (Gases are easily compressed while solids and liquids are not; the shape of a solid is independent of its container; liquids and gases take the shape of their containers.)