Science is uncertain and changing. Each of us may see the same reality differently, depending upon one's own background experiences. Several hypotheses may exist simultaneously for the same reality. Observing several smaller pieces of reality may not always equal total reality when all are added together. Making consistent observations using proper techniques should lead to better conclusions about the natural world.
Collaboration leads to more reliable knowledge.
3. be able to list examples of how personal and cultural experiences and biases may influence one's interpretations of observations. Divide class into 6 groups of approximately equal numbers. Initiate a short discussion with students about the differences between observations and interpretations in general. Teacher elicits and records student responses on board or overhead projector. Offer a few examples of each to check class' understanding.