Science · Heat and energy
Friction and Heating
Rub the top book across the bottom book and watch the atoms heat up and break away.
Choose what to explore
Start with a mode
Each mode focuses on a different relationship between force and motion.
See what happens
Rubbing two surfaces
Rub the top book and watch the atoms and thermometer.
Rub to heat
Drag the top book left and right, or press it and use the arrow keys.
State
Books touching
Observation
Rubbing the books together makes the atoms vibrate more — this is heat.
Rub the top book against the bottom book to make the atoms heat up.