+
Worksheet
Curated OER

Food Additives

For Students 9th - 12th
In this food additives worksheet, students will read information about the use of curing salt and ion nitrates to preserve food and the health problems that can occur from using these substances. Students will then answer 4 short answer...
+
Interactive
Concord Consortium

Concord Consortium: Molecular Workbench: Water and Polar Substances

For Students 9th - 10th
Adjust amounts of ionic charges in this simulation to see how water molecules react to polar substances in solution.