Ready for a new challenge
Maya explains infiltration and spots that unequal rainfall makes a comparison inconclusive. Her next task asks her to improve an investigation and explain why repeated tests help.

Riverin / For students
See your next task, get support when you need it, and find out what you can do on your own. Starting with AP science subjects.
Look beyond right or wrong. Knowledge and skill tasks help reveal what a learner understands, and where the next challenge or support belongs.
Illustrative product design · Not a live learning session
Lens is an optional cognitive assessment exploring reasoning, memory and information processing. It suggests tools and support for a student's first learning space. New subject-learning evidence keeps that profile up to date.
The learning loopAP Environmental Science · Urban runoff
Maya explains infiltration and spots that unequal rainfall makes a comparison inconclusive. Her next task asks her to improve an investigation and explain why repeated tests help.
Leo notices surface flow but needs to check infiltration and fair comparisons. A guided task helps him compare rainfall amounts before a new problem without hints.