Matching Pairs VocabularyOnline version Vocabulary about time travel by Margarita meneses castro 1 Relativity 2 Time Machine 3 Paradox 4 Time traveller 5 Gravity 6 Wormhole a hypothetical connection between widely separated regions of space–time. Either of two theories of physics giving the relationship between space, time, and energy, especially for two objects moving in different ways Travel through time into the past or the future. Someone who can move between different times in the past or the future a statement or proposition which, despite sound (or apparently sound) reasoning from acceptable premises, leads to a conclusion that seems logically unacceptable or self-contradictory. The force that attracts objects towards one another, especially the force that makes things fall to the ground