There are many units with which to measure time, including seconds, hours, days, and even decades. Clocks and calendars make it easier to see time pass, but time is always moving even when we arent measuring it. Beginning with the sundials of the ancient Egyptians, readers will learn much more than just how to measure time. Simple explanations of time zones and the inner workings of classic and modern timepieces accompany brief introductions to some of the greatest scientists to study time. Engaging questions and a hands-on ...
Read More
There are many units with which to measure time, including seconds, hours, days, and even decades. Clocks and calendars make it easier to see time pass, but time is always moving even when we arent measuring it. Beginning with the sundials of the ancient Egyptians, readers will learn much more than just how to measure time. Simple explanations of time zones and the inner workings of classic and modern timepieces accompany brief introductions to some of the greatest scientists to study time. Engaging questions and a hands-on activity guide them through this important math concept.
Read Less
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. A copy that has been read, but remains in excellent condition. Pages are intact and are not marred by notes or highlighting, but may contain a neat previous owner name. The spine remains undamaged. An ex-library book and may have standard library stamps and/or stickers. At ThriftBooks, our motto is: Read More, Spend Less.