Biology
STAAR™ Achievement Series for Science © 2013 Region 4 Education Service Center
Notes
Read and select facilitation questions as appropriate to meet your students’ needs.
Phase Instructional Grouping Materials
Engage
Individual
Engage: Natural Selection Scenario
Explore
Small groups
Per Lab Station:
150 black beans
150 black-eyed peas
150 navy beans (white)
1 paper cup
1 stopwatch
1 cardboard box lid
Light-colored gravel or pebbles
Resealable plastic bags
Explore: Investigating Natural Selection
Explain
Small groups Explain: Diversity of Species
Elaborate
Small groups
Elaborate: Diversity and Natural
Selection
Teacher-led student group
Elaborate: Diversity and Natural
Selection*
Explain: Diversity of Species
Evaluate
Individual Evaluate: Natural Selection
*For targeted students only
