First look
Hot & Cold
melting, freezing, and the three shapes water takes0 / 1World 01
Welcome to the Lab
tools, measuring, and what counts as a change0 / 3World 02
Zoom Into Matter
particles, atoms, electrons, the table0 / 4World 03
Atoms Hold Hands
bonds, dots, shapes, stickiness0 / 4World 04
Reactions
counting, sorting, scaling, heatingBb13Balance BeamsoonAtoms never disappear. Prove it.
Rz14Reaction ZoosoonFive kinds of reaction live in this zoo. Learn their habits.
Mb15Mole BakerysoonThis recipe makes 12 cookies. You have 30 eggs. How many cookies — really?
Hc16Hot & Cold PackssoonOne of these packs freezes your hand. One burns it. Same box. Why?
World 05
Mixtures, Speed & Sour
gases, solutions, rates, pH0 / 7