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2015 in Review: Top Resources on Science NetLinks

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2015 is coming to a close! See what resources were most popular this year on Science NetLinks:


  • Growth Stages 1: Infancy and Early Childhood (3-5): This lesson introduces students to the stages of human growth and development that take place during infancy and early childhood.
  • Systems of the Human Body (3-5): This lesson explores the different systems within the body and how they work independently and together to form a functioning human body.
  • Sink or Float (K-2): In this activity, students determine whether various objects sink or float in water.

The most popular lesson for grades 6-8 was Exploring Pendulums, which helps students understand concepts related to how gravitational forces act on objects by exploring the motion of pendulums. For grades 9-12, the most popular lesson was The History of the Atom 1: The Ancient Greeks, introducing students to the ancient theories of matter that led to the work of John Dalton.


  • 3D Brain App (9-12): This app allows you to rotate and zoom around 29 interactive structures in the brain.
  • iCell App (6-12): iCell gives you an interactive, 3D view inside a cell.
  • All Systems Are Go! (3-8): In this online activity, a fictional character named Arnold is missing a number of body parts. It's your job to complete each body system so Arnold can function.

Lunar Cycle 2: The Challenge, an activity that allows you to "drag" pictures of different phases of the moon to their correct places in lunar cycles, was the most popular tool for grades K-5.


  • Fever Chill: This Science Update answers the question "Why do fevers give you chills?"
  • Big Heads: If somebody is really smart, other people might say: "She's got a really big brain." But when it comes to brains, does size really matter? In this Science Update, you'll hear the complicated answer to that simple question.
  • Tilted Earth: In this Science Update, learn how the earth got tilted on its axis.

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This post originally appeared on Science NetLinks.