TobinUnits
Atoms & the Periodic Table
Atomic structure, isotopes, electron arrangement and periodic trends.
Chemistry: Bonding, Naming & Reactions
Ionic and covalent bonds, naming compounds, counting atoms, balancing equations and conservation of matter.
Nuclear Chemistry
Alpha, beta and gamma decay, nuclear notation, half-life, fission and fusion.
States of Matter
Particle motion, phase changes, heating curves and gas behavior.
Solutions, Acids & Bases
Solubility, concentration, pH and the properties of solutions.
Energy
Energy transformations, thermal energy, specific heat and heating and cooling curves.
Forces & Motion
Velocity, acceleration, Newton's laws, gravity and motion graphs.
Simple Machines
The six simple machines, mechanical advantage and work.
Waves
Wave properties and energy, the electromagnetic spectrum, interference, diffraction, media and the Doppler effect.
Electricity & Magnetism
Static electricity, circuits, Ohm's law, magnets and electromagnets.
Course-wide tools
Unit Intro Experiences
Open-world day-one experiences for every unit: myth-or-fact challenges, replayable explore activities, illustrated vocabulary and learning targets.
See all the intros →
Virtual Lab Bench
Fifteen interactive labs with virtual equipment. Every student gets different numbers, and you can verify progress codes.
Open the Lab Bench →
Simple Science Videos
One-minute videos that break each standard into plain language — quick lesson openers and reviews, organized standard by standard.
Watch the videos →
Science in Sports & Activities
Pick a sport or activity and see exactly how forces, energy, waves, chemistry and heat transfer make you better at it.
Pick a sport →1v1 Science
Head-to-head Red vs. Blue review battles for every unit. Play free in class.
Open 1v1 Science →
Review Quest & The Den
Game-style unit test review that maps every student's weak spots, plus The Den, the classroom game world where studying pays off. Units from $9.99, free trial unit.
Explore Review Quest →