1.   Although they generally stay in place, these objects will occasionally get knocked loose by the gravity of Earth and other planets.

2.   As a freshman, House had three teeth knocked loose in a game against the College of Charleston in Alaska.

3.   A ball is knocked loose.

4.   A neutron knocked loose by a neutrino impact can be readily detected.

5.   After the puck was knocked loose in the crease, Holik was in position to convert from close range on the left of Boucher.

6.   But misfortune turned to good fortune when Detroit cornerback Bryant Westbrook intercepted the ball but had it knocked loose by a teammate as he caught it.

7.   But in the Oklahoma game, the metal plate insertedin his leg was knocked loose.

8.   Clifford Hicks ran just a few yards with a punt return, then lost the football to Raymont Harris after Bob Christian knocked it loose.

9.   Eight seconds into the game, Kevin Stevens of the Rangers checked Dave Ellett so hard that a pane of Plexiglas was knocked loose.

10.   Every time someone knocks loose another air pocket the oxygen rushes down and ignites new flames somewhere deep in the seven-story crater of wreckage.