I have heard folks concerned that using WBT will limit the amount of material you can cover effectively, or will slow you down. Let me give you a picture from my classroom for this week, the first full week of school. In this last week my kids have:
Learned the basic definition for science, and been able to compare and contrast what science can and cannot do.
Learned to distinguish between scientific law and scientific theory.
Learned definitions for the three main branches of science, taught their partners examples of areas of study in each branch, and learned to identify where more than one discipline overlaps in fields of study.
Learned to distinguish observation from inferences, where to use each one, and how inference is connected to writing a formal hypothesis.
Learned the uses of models, the three kinds of models used by scientists, and examples of each type of model.
They have learned to distinguish between dependent and independent variables, what a control is and how to establish a control.
They have also begun to learn the basics of formal hypotheses- finding a problem, how use and IF statement to connect dependent and independent variables, and how to make a prediction using a THEN statement.
Phew!
Does that seem like it limit what you can introduce?