7 lists for Grade 8, 76 words in all. Open a list to see every word, or start a game with it straight away.
opinion · reason · problem · solution · example
advocate · comprehensive · consequently · distinction · elaborate
proton · neutron · electron · periodic table · chemical reaction
citizen · vote · election · law · freedom
demography · infrastructure · globalization · sustainable · renewable
linear · intercept · origin · quadrant · system
feudalism · knight · crusade · serf · manor