The explanations are accompanied by numerous examples, exercises and suggestions for further reading that allow the reader to test and develop their understanding of these core topics. Featuring four ...
NGSS 2-PS1-1: Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties. Students help design an absorbency test to see if they can observe ...
My daughter’s second-grade teacher assigned what should have been a straightforward project: an oral presentation about her family’s country of origin with a poster that includes at least five ...