The 2014 North Carolina Science Festival continues through Sunday with hundreds of events, activities and lectures offered statewide. Check www.ncsciencefestival.org for details, including any costs.
Here are some highlights:
April 9: At N.C. State, the outdoor Earth Fair at the Brickyard (behind D.H. Hill Library) features Earth-focused exhibits and demonstrations on how you can make the world a better place. Admission is free to the 10 a.m.-2 p.m. event.
At 7 p.m. at UNC Memorial Hall, in Chapel Hill, ESPN Sport Science host John Brenkus will helm The Science of Sports, using demonstrations, videos and audience interaction to connect current science research with athletes performances.
April 10: Does trash float? Find out 4-5:30 p.m. at William B. Umstead State Park, where you can help build a boat using everyday recyclables. Recycled items will be provided, but feel free to bring your own. Admission to Build-A-Boat is free.
Cognitive archaeology the study of how people in ancient societies thought is the topic of a free workshop in Durham, Reading the Past: Mind, Brain and Archaeology, offered by the Duke Institute for Brain Sciences. It begins at 9 a.m.; registration required ( http://bit.ly/1gLvN0E).
At Raleighs SAS Hall Auditorium, enjoy The History of the Universe, with John Mather a 4 p.m. presentation by the senior astrophysicist at NASA Goddard Space Flight Center. Mather won the 2006 Nobel Prize in physics for his work on the Cosmic Background Explorer satellite. Admission is free.
April 12: Head to UNCs Morehead Planetarium in Chapel Hill for the UNC Science Expo. There will be demonstrations, hands-on activities, behind-the-scenes tours of research labs, exhibits, science-related arts and crafts and more. Admission is free to the all-ages event, held along Cameron Avenue between 10 a.m. and 3 p.m.
The Childrens Museum of Alamance County, on Main Street in Graham, will hold its Butterfly Festival, starting at 11 a.m. Art and science activities include creating/decorating your own butterfly wings and antennae, learning how a butterfly eats, and listening to stories about butterflies. There will be a butterfly release at 2 p.m. and while supplies last you can adopt a caterpillar at the museum ahead of time.
Simple Machines Field Day at 10 a.m. at Historic Yates Mill County Park is an outdoor, hands-on opportunity to learn about simple machines, which you can try at each of the self-paced stations. Pre-registration is required for either session (10-11 a.m., 11 a.m.-noon). After, for $5 per person ($4 for child), you can take a tour of the mill and see simple machines in action.
At a tour of Carolina Brewing Company, in Holly Springs, you can take a free 1 p.m. guided tour led by one of the brewery owners. You can learn about the ingredients used, and get a full walk-through of the brewing process.