Question: axis

Answer: an imaginary line that passes through center earth between the north and south pole on which earth rotates

Question: equator

Answer: an imaginary line that runs around center earth, halfway between the north and south pole at 0 degrees latitude

Question: hemisphere

Answer: half of the earth

Question: lines of latitude

Answer: imaginary lines on the earth that run parallel to the equator

Question: lines of longitude

Answer: imaginary lines that run between the north and south poles