25 questions / Topic 1 & 2 Levers, Inclined Planes, Wheel & Axle, Gears, & Pulleys Topic 3 & 4 Energy, Friction, & Efficiency, Force, Pressure, and Area Topic 5 & 6 Hydraulics, Pneumatics, & Combining Systems Topic 7 & 8 Machines Throughout History, and People and Machines Problem Solving, & Formulas
25 questions / Topic 1 & 2 Levers, Inclined Planes, Wheel & Axle, Gears, & Pulleys Topic 3 & 4 Energy, Friction, & Efficiency, Force, Pressure, and Area Topic 5 & 6 Hydraulics, Pneumatics, & Combining Systems Topic 7 & 8 Machines Throughout History, and People and Machines Problem Solving, & Formulas