Matter Mission

Matter and energy — from sources and states to conductors, energy chains, and fluids!

Ontario Matter & Energy strand · 10 questions per round

Grade

Matches your Ontario grade. Updates Settings when you pick a grade here or start a run.

Skills

A mix of all 2 skills unlocked for Grade 4.

Skill path — practice skills one at a time; unlock the next skill after 2 correct answers on the current skill.

Each question shows a picture or diagram when it helps. Confirm your answer (or press Submit on number questions), then read the tip if you miss — tap “Got it” to continue. No game over.