Students compare quantities of water. In this water instructional activity students examine the hydrologic cycle looking for the amount of fresh water that is available. Students use information from charts and diagrams.

Water, water, everywhere? Each pupil first uses an Internet program to select 50 random points on Earth to determine the proportion of its surface covered with water. The class then combines data to determine a more accurate estimate.

Students describe limitations of fresh water resources on ships at sea. They realize the value of fresh water on the ocean and around the world. Students gain a knowledge of the process and economic cost of desalinization.

In this everyday math skills pretest, students answer ten multiple choice questions based on their knowledge of everyday math skills such as estimation, addition, and measurement.

In this math test worksheet, students complete 10 multiple choice questions covering a wide variety of math concepts. An answer link is included.

Second graders describe and adopt behaviors for health and safety. They explore what germs are and how they can make you sick. Through graphing activities, 2nd graders examine the way germs travel and what they can do to prevent the...

Second graders become aware that thermometer liquids expand or contract as temperature affects them.

Students access information at remote sites using telecommunications, identify impacts by reviewing past El Ni??o events, make and use scale drawings, maps, and maps symbols to find locations and describe relationships.

Students discover how sense of touch helps us explore our world by feeling it and learning the size, texture and shape of things.

Fourth graders study math and the golden mean. In this math meets Greek history lesson, 4th graders study ratios and proportions in relation to the Greeks. The use of clay is incorporated ino this lesson. 

Students use counting skills to decide who wins the Classroom Winter Games. They use numeral writing and tally marks to keep score. Students have an opportunity to pretend they are competing for medals in the Winter Games while using...