1. CURIOSITY

Using several senses
Asking questions
Showing interest in outcomes of experiments

2. INVENTIVENESS

Using equipment in unusual and constructive ways
Suggesting new experiments
Describing novel conclusions from their observations

3. CRITICAL THINKING

Using evidence to justify their conclusions
Pointing out contradictions in reports by their observations
Changing their ideas in response to evidence

4. PERSISTENCE

Continuing to investigate materials after their novelty has worn out.
Repeating an experiment in spite of apparent failure
Completing an activity even though their classmates have finished earlier.