When Elinor notices a line of tiny ants marching in one direction, she grabs her magnifying glass to get a closer look. How does using a magnifying glass change your perspective? Find out by creating ...
Science Minute: An experiment that uses balloons, magnifying glass and the sun Steve Spangler challenges your critical thinking skills with an experiment you can do at home using balloons - a ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results