Curated OER
Transition Metal Ions and Colour
In this transition metal instructional activity, students are given equations of transition metals and their ions. Each equation shows the changes in colors of the ions when heat, salt or other substances are added to the metals.
Curated OER
Qualitative Analysis
In this qualitative analysis worksheet, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
Curated OER
WS 10.2 Electrolytes and Solubility
In this electrolytes and solubility learning exercise, students answer questions about electrolytes and write balanced equations for the dissociation of salts in water. They also determine solutes that are soluble in water and write...
Curated OER
Science: What Happens to Create the Lode?
High schoolers understand how mineral deposits are formed and why they are not evenly dispersed. They create and describe three different precipitates from four solutions simulating mineral ore deposit formation in sedimentary rock.
Curated OER
Micro-Magic With Sticky Ions
High schoolers view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.