Students will distinguish between descriptive, comparative, and experimental investigations.

Given investigation scenarios and lab procedures, students will identify independent variables, dependent variables, constants, and control groups.

This resource, aligned with Chemistry TEKS (5)(C), provides alternative or additional tier-one learning options for students using the periodic table to identify and explain trends.

Learners compare a variety of prokaryotes and eukaryotes to determine similarities and differences among and between them.

A resource to be used for Tier I instruction for the introduction of the structure of atoms.

A Tier I life science instructional resource for grade 3 

The learner explores the structure and function of the nucleic acids and enzymes important to the process of synthesizing proteins.

Given schematic diagrams, illustrations or descriptions, students will identify the relationship of electric and magnetic fields in applications such as generators, motors, and transformers.

Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).

This resource provides flexible alternative or additional learning opportunities for students to differentiate between elements and compounds on the most basic level, Science TEKS (6)(5)(C).

A Tier 1 earth science instructional resource for kindergarten.

This resource provides instructional resources for Newton's First Law, the law of inertia.

This resource was created to support TEKS IPC(4)(E).

This resource is to support TEKS (8)(6)(C), specifically the Newton's third law or the law of action-reaction.

A resource for the instruction of (7)(11)(A) involving the use of dichotomous keys for identification.

Given quantitative data students will express and manipulate chemical quantities using scientific notation.

Given quantitative data, students will express and manipulate quantities using the correct number of significant figures.

Given information extracted from current events, news reports, journal articles, marketing, or promotional materials, students will evaluate the claims for validity.