Matching Pairs Team work vocabularyOnline version Match the definitions to the word. by Alfonso Flores-Chan 1 a person with a lot of knowledge about a particular subject 2 a contest or a match 3 to be aware of having seen or known someone before 4 a slant or slope 5 tests to discover things that are not already known 6 change in speed of a moving object 7 a mark or rating on a test or project 8 energy that is not in an active form 9 the place where a person is born 10 belief in one's own abilities 11 movement 12 did not pay attention to 13 feeling self-conscious and ill-at-ease 14 the particular skill and knowledge of a person 15 the energy of activity or motion potential energy competition confidence hometown experiments motion expert expertise embarassed grade acceleration kinetic energy incline recognize ignored