Bring physics to life with the leader in digital physics curriculum. Short, focused interactive lessons use a combination of text (with audio support), video, animations and simulations to engage students. Hundreds of animations, in-depth simulations, and complete virtual physics labs illustrate physics in action and open a rich range of exploration to students. Quick checks with imbedded instructional videos, step-by-step scaffolding, and autogenerated problems assist students with problem mastery. Comprehensive instructional support, progress monitoring, and assessments help teachers ensure students' understanding.