Curated OER
Testing for Conductivity
Students test the conductivity of selected liquids and solids. They test the circuit by touching the two free ends of the wires together and add salt little by little recording the data after each addition. Finally, students predict...
Curated OER
Matter and Chemical Bonding
In this chemical bonding activity, students read about the invisible killer, dihydrogen monoxide. Students read about the products it is used in and the problems it causes to the environment. Then students complete 19 short answer...
Curated OER
To Float or Not to Float - A Lesson on Density
Students define density in their own words. In this physics lesson, students calculate density using mass and volume. They explain why some objects sink and some float.