Great Discoveries Word Search Puzzle Game – Search for Hidden Truths. Word Search Puzzle Solver. Uncover the breakthrough moments of human history with this Word Search. This challenge invites you to search for and find terms related to major scientific and geographic finds. Look for hidden words like Penicillin, Gravity, DNA, and Planet within the grid. This game highlights the curiosity and persistence required to reveal the secrets of the universe and our own biology. It is a fantastic educational tool for students to learn about the milestones of knowledge. Find the world's greatest secrets!. This includes identifying and searching for words that are related to : dna, xray, code, cell, atom, virus, plate, oxygen, quasar, proton, galaxy, pulsar, planet, fusion, radium .