FIRST PICTURE (Logs) = The molecules are tightly packed. Since the log is a solid, it takes its own shape and form. The only way it can do this is having the molecules tightly packed so that it stays in that form. The molecules are also in a regular pattern.
SECOND PICTURE (Water glass) = The molecules are close together, like solids, but not as tightly packed as them. Thus, it can still freely move around. If it doesn't have a container it can use as its own shape and form, it just splats on a solid surface because the molecules are not close enough to stay as a shape.
THIRD PICTURE (Steam) = Oh boy, the molecules in gas are as loose as a extra large shirt on a 2 year old. The molecules in gas are far apart from each other, so it can freely move around without its own shape and form. Unlike liquid, there is not many 'containers' it can use as its own shape and form, but an easy example of one of the only containers it has is a balloon. The sky is not counted as a container since--the sky literally has no walls.
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Answer:
FIRST PICTURE (Logs) = The molecules are tightly packed. Since the log is a solid, it takes its own shape and form. The only way it can do this is having the molecules tightly packed so that it stays in that form. The molecules are also in a regular pattern.
SECOND PICTURE (Water glass) = The molecules are close together, like solids, but not as tightly packed as them. Thus, it can still freely move around. If it doesn't have a container it can use as its own shape and form, it just splats on a solid surface because the molecules are not close enough to stay as a shape.
THIRD PICTURE (Steam) = Oh boy, the molecules in gas are as loose as a extra large shirt on a 2 year old. The molecules in gas are far apart from each other, so it can freely move around without its own shape and form. Unlike liquid, there is not many 'containers' it can use as its own shape and form, but an easy example of one of the only containers it has is a balloon. The sky is not counted as a container since--the sky literally has no walls.
Hope this helps. ^^