GED® Science: Full-Length Practice Exam (Level 6 - Mastery)

A sixth full-length GED® Science practice exam -- the Mastery tier, an all-new elite-ceiling rehearsal for students who have cleared Levels 1-5. Same test-day format -- 34 questions across Life, Physical, and Earth & Space Science, 90 minutes, scored 100-200 (145 to pass) -- with fresh items at the ceiling of the range: test crosses and dihybrid probability, energy pyramids, membrane transport, homologous structures, enzyme denaturation, genetic drift, feedback loops, conservation of atoms, kinetic energy and power, Ohm's law, momentum, half-life, Le Chatelier's principle, the electromagnetic spectrum, density, radiometric dating, plate speed, redshift, tides, superposition, and the carbon cycle. Every question includes a worked explanation and a pro tip.