Series means connecting a negative terminal of one battery to the positive terminal of another battery to increase the Voltage. A Parallel connection on the other hand, means connecting like (Positive to Positive and Negative to Negative) terminals of batteries together.eries means connecting a negative terminal of one battery to the positive terminal of another battery to increase the Voltage. A Parallel connection on the other hand, means connecting like (Positive to Positive and Negative to Negative) terminals of batteries together.
photograph from the Smithsonian Photo library, copyright 1993, Smithsonian Institution, used with permission. Saber-toothed cats are some of the best known and most popular of all Ice Age animals. They are among the most impressive carnivores ever to have lived.Two different types of saber-toothed cats lived in the midwestern U.S. at the end of the last Ice Age. One type was the familiar sabertooth, represented by the genus Smilodon. These cats had enlarged canines usually associated with the name sabertooth.Their canines were up to 18 centimeters (7 inches) long.A mounted skeleton of Smilodon fatalis is shown in the above photograph.ne type was the familiar sabertooth, represented by the genus Smilodon. These cats had enlarged canines usually associated with the name sabertooth. Their canines were up to 18 centimeters (7 inches) long. A mounted skeleton of Smilodon fatalis is shown in the above photograph.
During this time, North America, Europe and Asia were covered with ice. Saber-toothed tigers became extinct during this period, but they hunted mammoths and other mammals for food. Fun Earth Science Facts for Kids All about Ice Age â Image of the Sea Ice During Ice Age. Scientists believe the Earth has experienced several ice ages with warm and cold periods. Weâre actually in a warm pattern of an ice age right now. Ice ages are caused by several factors.