Curated OER
Household Tools
Students explore parts of a system. In this simple machines lesson plan, students discover that simple machines are composed of two or more systems. Students examine household tools and assess the parts of the system.
Curated OER
Attributes of Accuracy
Students explain necessity in using accurate instruments when measuring, and how measurements can be checked for accuracy. They make a six-inch ruler, design, test, and evaluate a system to measure work, and produce a table and graph to...