Junior docents and art and science professionals lead science workshops inspired the by the museum’s collections.

1-4pm Saturdays in July.

Recommended for ages 7 and up; can be adapted for younger children.

Free with museum admission: adults $4, children $2.

Reservations required.

Hudson River Museum Ampitheater, 511 Warburton Ave., Yonkers. 914-963-4550.