Two-dimensional (2-D) and three-dimensional (3-D) diagrams DUMMY
Objects in Life Science can be drawn in three dimensions because they have depth.
Diagrams of apparatus are generally drawn in two-dimensions so that the shape of each item
of apparatus is simplified and looks similar to a section through the apparatus.
1.6 Tables
Whatis a table?
- A table is a summary of data, using as few words as possible.
- It is a grid divided up into rows and columns.
- The heading is placed above the table.
- The heading should include both variables under investigation- the dependent and
independent variables. - Independent variable is placed in the first column.
- The column headings should mention the units that were used, eg. grams, hours,
km/hr, cm.
When to use a table?
- To summarise information.
- To compare related things or aspects.
- To record the results of an experiment.
- To illustrate patterns and trends.
- To record the data which will be used to construct a graph.
14 1.6. Tables