Mystery substances: emergency case

Learning Material  |  Interactive Lesson  |  RAR

Solve crimes by identifying pure substances and components of mixtures. Carry out urgent chemical tests on common substances such as salt, baking soda and sugar. Observe and record how each substance reacts with a range of liquids and to heat. Build up a data table of chemical properties and use it to match a mystery substance found at a crime scene. Improve your chances of catching the criminal by doing as few tests as possible. This learning object is one in a series of five learning objects. Some of the objects in the series are also packaged in two combined learning objects.

Students carry out chemical tests on common substances.
Students observe and record changes that occur when common substances are heated or added to a range of liquid reagents.
Students use data tables to record and retrieve information.
Students use chemical tests to identify unknown substances in as few steps as possible.

Curriculum Information

K to 12
Grade 4, Grade 3, Grade 5, Grade 6
Learners, Students

Copyright Information

Education Services Australia
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