ACCESSIBILITY
Open the case.
Find the activity, use the controls, and keep a record you can read.
Using this site
The collection pages use real text for titles, instructions and actions, with visible keyboard focus, responsive layouts and a reduced-motion setting. Informative artwork has a text alternative. Use the skip link to jump to the main content.
Links and downloads
A right arrow (→) marks a route on this site. An outward arrow (↗) marks an external link or new tab. File links identify the format where possible.
Using the simulations
Individual simulations have their own interfaces. Use the activity’s student guide or help controls for saving, restoring and exporting. A larger screen may help with longer records or comparisons. An independent accessibility audit is pending.
Another way to participate
If an interaction presents a barrier, instructors can offer the same case records and learning goals in a written or oral evidence task. Assess the student’s explanation against the same criteria.
Report a barrier
Contact the creator ↗ with the activity title, browser or device, and the step that was difficult. Leave student names and identifying details out of the message.