NotesFAQContact Us
Search Tips
Publication Date
In 20210
Since 20200
Since 2017 (last 5 years)0
Since 2012 (last 10 years)2
Since 2002 (last 20 years)2
Teaching Science2
Education Level
Elementary Secondary Education2
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Lim, Kieran F. – Teaching Science, 2012
The common question of why the tetrahedral angle is 109.471 degrees can be answered using a tetrahedron-in-a-cube, along with some Year 10 level mathematics. The tetrahedron-in-a-cube can also be used to demonstrate the non-polarity of tetrahedral molecules, the relationship between different types of lattice structures, and to demonstrate that…
Descriptors: Logical Thinking, Geometric Concepts, Molecular Structure, Teaching Methods
Peer reviewed Peer reviewed
Direct linkDirect link
Sandoval, Christopher – Teaching Science, 2012
This article presents a demonstration using methane bubble flame tower that offers a fun and relatively cheap way of demonstrating what happens when there is a density difference. Teachers can do this as a predict-observe-explain demonstration after the students have learned about density to extend their learning and get into some higher order…
Descriptors: Chemistry, Scientific Concepts, Concept Teaching, Teaching Methods