This 41 slide Inquiry Unit PowerPoint comes complete with a hyperlinked main menu:

Scientific Instruments

Spring Scale

Triple Beam Balance

Barometer

Sling psychrometer

Scientific Investigation

Quantitative

Qualitative

Inference

Compiling Data

Data Table

Independent Variables

Dependent Variables

Graphs

Pictograph

Bar

Circle

Line

Drawing a Line Graph

Interpreting a Graph

Classifying Objects and Organisms

Dichotomous Key

Technological Design

Controlled Experiment

Lab Safety

Symbols

Scenarios