Learners use the coefficients in a balanced equation to develop the mole ratios of reactants and products involved in the reaction. Five interactive examples illustrate the method, and students test their knowledge by working four problems.

Learners examine graphs and read that the heat of fusion is the heat energy absorbed by one mole of solid as it is converted to liquid, while the heat of vaporization is the heat energy absorbed by one mole of liquid as it is converted to gas.

Students read brief descriptions of atoms, molecules, elements, and compounds, and complete a matching exercise that pictures these particles and molecules as pieces of taffy.

Learners examine phase diagrams that show the phases of solid, liquid, and gas as well as the triple point and critical point.

Students read brief descriptions of atoms, molecules, elements, and compounds, and complete a matching exercise that pictures these particles and molecules as pieces of taffy.

Students read about the basic organization and structure of the periodic table of elements. By clicking on the symbol, they can read that element's atomic number and weight. In an exercise, students identify elements as belonging to a group, a period, or neither.

Students read an introduction to the lab equipment used to contain and dispense chemicals. A quiz completes the activity.

Students practice identifying common elements from the periodic table by name or symbol.

In this screencast we are introduced to the lab equipment used to contain and dispense chemicals.

This puzzle aligns with TAG 3, Unit 2; lesson 3

A crossword for Chemistry subject, Form 4 students on topic Manufacture Substances in Industry (Chapter 9). Focuses more on Polymer and Composite Materials sub topics. Best of Luck students! (Do answer each question with uppercase letter)

Study set for chapter 4 of interactive science: introduction to chemistry.

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