题目：
从水底向上运动的木块，最后漂浮在水面上，全过程中，木块受到的重力_____________，木块露出水面之前，它受到的浮力__________，此过程中浮力_________重力。从木块露出水面到最后静止在水面过程中，它所受的浮力___________，它排开水的体积___________。
答案：
不变；不变；大于；减小；减小
从水底向上运动的木块，最后漂浮在水面上，全过程中，木块受到的重力________
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