Performance and Assessment in Twig Science for Grades 6–8

Developed in partnership with Stanford University’s SCALE team, the Twig Science assessment system for Grades 6–8 evaluates student attainment of key science and engineering knowledge and skills.

The assessment strategies measure students’ knowledge and practical skills. They consist of performance tasks—not rote memorization—and include a rich variety of measures, including written assignments, collaborative engineering challenges, and oral presentations. There are many informal ways to quickly evaluate student progress built in throughout each module, and teachers can refer to a Twig Journal with example answers to help assess student work.

(Diagnostic Pre-Assessement)

In the first session of a module, students complete a Pre-Exploration (Pre-Assessment). The multiple choice questions establish a baseline of understanding from which to measure student growth or learning. The reasoning questions provide valuable information about students’ prior knowledge and abilities.

Formative Assessment

Ongoing Formative Assessments are woven into each lesson, offering quick ways to gauge student understanding and allowing teachers to tailor their instruction accordingly. Formative Assessments include class discussions, constructed responses (written and drawn), hands-on activities, self and peer assessment, and teacher observations.

Summative Performance Tasks

Summative performance tasks are rich and highly engaging activities designed to motivate students to demonstrate their mastery of the expected grade-level proficiency for the Performance Expectations. Leveled rubrics are provided to support teachers to grade the attainment levels of students of all abilities (Emerging, Developing, Proficient, and Advanced), and student versions of the rubrics give students a clear understanding of what success looks like.

Summative Benchmark Assessments

Benchmark Assessments assess students’ ability to apply the knowledge and skills gained throughout the module to new contexts. This gives students exposure to the types of assessments they’ll face in the state test, both stand-alone questions and performance tasks. Leveled rubrics support easy grading, with sample student answers provided in the form of “Look Fors.” Student versions of these rubrics are available without “Look Fors.”

Assessment Platform

Comprehensive tools for planning, assigning, grading, and analyzing student assessments, with rubric-based scoring and reporting.

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