Common Core Standards
Grade 3
Reading RI.3.4
Determine the meaning of general academic and domain-specific words and phrases in a text relevant to a grade 3 topic or subject area.
According to this standard, starting in third grade, students should be exposed to articles that contain specific vocabulary, such as basic medical terminology or words about parts of the Internet. Remember to keep the jargon basic, since it will probably take a bit of effort to explain even basic technical vocabulary words to third graders.