- On the giant screen: The CBC IMAX film festival continues today through April 1 at the Canadian Museum of Civilization, featuring adventure, animals, performing arts and amazing destinations. Film schedule and times: 819-776-7010. Tickets from $6 to $10.

- Sharpshooters: Learn about the Ottawa Sharpshooters, their involvement in the 1885 Northwest Rebellion and their links to Sir John A, Macdonald. Lecture by author John D. Reid, 2 p.m., Library and Archives Canada, 395 Wellington.

- Schubert on tap: Music and life: Mass in G major, 3 p.m., St. Matthias' Anglican Church, 555 Parkdale Ave. Ottawa-Gatineau Chapter of CAMMAC. Tickets: $10-$20, 613-730-2369.

- The Drawyer Boy: Matinee performance of Michael Healey's production, Ottawa Little Theatre, 400 King Edward. Tickets $10 to $20 at box office. Show runs to March 17. Call for show times: 613-233-8948.

- Spring break activities: Learn about mysterious late-night guests at Who Dunnit? The Compost Caper, 1 and 3 p.m. in English, 2 and 4 p.m. in French, Canadian Museum of Nature, 240 McLeod at Metcalfe. Museum admission applies: 613-566-4700. Museum open daily, 9 a.m. to 5 p.m. with a full range of spring break activities.

- Puppetry: Puppets come to life workshops, Strings and Things, Canadian Children's Museum in the Canadian Museum of Civilization. Call 819-776-7000.

- Mailman murals: In the Canadian Postal Museum, at the Canadian Museum of Civilization, choose from thousands of Canadian stamps to create a mural of a mailman, 10 a.m. to 4 p.m.

- Book reading: Celebrate the time change in Kazabazua with a reading of But Never Mind All That by local author Sylvia Shawcross, 11 a.m. to 2 p.m., 30 Begley Rd. in the Town Hall.

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