Help youngsters understand the excitement about the recent solar eclipse with this charming and straightforward story about how eclipses of the Sun and Moon occur. Includes easy activities using ordinary items to make models, and explores common questions kids have. This richly illustrated book tells how two curious children and their grandparents re-create eclipses in their living room using a lamp, a tennis ball, two Hula Hoops, and Ping-Pong balls. Later, in the backyard and around the house, the family explores safe ways to view a solar eclipse and ponders phenomena from sunspots to phases of the Moon. Written by the authors of NSTA's award-winning book Solar Science, When the Sun Goes Dark gives children and adults hands-on techniques for learning the science behind eclipses of the Sun and Moon.