Texas TEKS 3.4

Science3rd GradeScientific and engineering practices

TEKS Knowledge Statement (Expectation Cluster)

Scientific and engineering practices. The student knows the contributions of scientists and recognizes the importance of scientific research and innovation for society. The student is expected to:

Texas Essential Knowledge and Skills for Science

Cluster contents

Student Expectations in This Statement

3.4 is a TEKS knowledge and skills statement. These are the student expectations under it.

Teacher's field guide

What This Cluster Means

What Students Need to Do

Students explain how a scientific discovery or designed solution changes what people know, do, or use. They investigate STEM careers through credible sources, then report the work, tools, training, and social value of one career.

What Mastery Looks Like

Given an example such as vaccines or water filters, students identify the problem, explain the solution, and name an effect on science and society. They use two sources to describe a STEM career and explain why each source is useful and trustworthy.

Common Misconceptions

Students may confuse a scientific discovery with an invention, or assume every innovation has only positive effects. They may trust any website or think STEM careers are limited to scientists and engineers.

How to Assess It

Exit ticket: Choose one discovery or invention and write the problem it addressed, one effect on society, and one related STEM career. Name one reliable career source and explain why you trust it.

Lesson moves

Ways to Teach It

  1. Give teams cards showing inventions, problems, and effects, then have them build and explain matching chains.

  2. Ask students to write: How did one scientific discovery change people's lives, and what new problem did it create?

  3. Play Career Source Match, where students pair STEM career cards with the museum, website, company, or mentor best suited for research.

  4. Invite a local engineer or nurse to describe a workplace problem, then have students list how research helps solve it.

Free download

Printable 3.4 Worksheet

Preview of the 3.4 printable worksheet

A ready-to-print activity worksheet aligned to 3.4, with an answer key for the teacher on its own page. No account needed.

PDF, US Letter, prints cleanly in black and white.

Download the worksheet

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