By Barbara Liang
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In this animated object, learners examine water molecules moving through a semipermeable membrane.
In this animated object, students observe how ATP energy is used to move substances across the cell membrane from an area of lower concentration to an area of higher concentration and when something too large needs to get in or out of a cell.
In this animated object, learners view molecules as they collide and move between two different solutions. They also observe what happens when the temperature of the solutions is raised or lowered.
Show everyone how much you know about heat and heat transfer by solving these 7 phrases!