###
Covalent Bonding: Electron Dot Diagrams

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

###
Forms of Energy

Given diagrams, illustrations, or descriptions, students will identify the types of energy.

###
Law of Conservation of Energy: Heat Transfer

Given illustrations, scenarios, descriptions, and/or diagrams, students will demonstrate understanding of heat transfer.

###
Thermochemical Equations

Given descriptions, diagrams, scenarios, or chemical symbols, students will calculate the energy changes and identify exothermic and endothermic reactions.

###
Calorimetry

Given scenarios, illustrations, or descriptions, students will identify the process of calorimetry and calculate the heat of a chemical process.

###
Water

Given scenarios, descriptions, or illustrations, the student will determine the properties of water that affect chemical and biological systems.

###
Newton's Three Laws of Motion

This resource provides alternate or additional learning opportunities for students learning the three Newton's Laws of Motion. It includes a collection of interactive materilas, videos, and other digital media. Physics TEKS, (4)(D)

###
What’s Trending with the Elements?

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.

###
Using Logical Reasoning to Prove Conjectures about Circles

Given conjectures about circles, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.

###
Generalizing Geometric Properties of Ratios in Similar Figures

Students will investigate patterns to make conjectures about geometric relationships and apply the definition of similarity, in terms of a dilation, to identify similar figures and their proportional sides and congruent corresponding angles.

###
Determining Area: Sectors of Circles

Students will use proportional reasoning to develop formulas to determine the area of sectors of circles. Students will then solve problems involving the area of sectors of circles.

###
Making Conjectures About Circles and Segments

Given examples of circles and the lines that intersect them, the student will use explorations and concrete models to formulate and test conjectures about the properties and relationships among the resulting segments.

###
Determining Area: Regular Polygons and Circles

The student will apply the formula for the area of regular polygons to solve problems.

###
Making Conjectures About Circles and Angles

Given examples of circles and the lines that intersect them, the student will use explorations and concrete models to formulate and test conjectures about the properties of and relationships among the resulting angles.

###
Solving Problems With Similar Figures

Given problem situations involving similar figures, the student will use ratios to solve the problems.

###
Newton's Law of Inertia

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

###
Newton's Law of Action-Reaction

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

###
Valence Shell Electron Pair Repulsion

Given illustrations or descriptions, students will predict the shape of molecules based upon the extent of the electron pair electrostatic repulsion.

###
Chemical Bonding: Metallic Bonds

Given scenarios or diagrams, students will describe the nature of metallic bonding and explain properties such as thermal and electrical conductivity, malleability, and ductility of metals.

###
Nomenclature: Covalent Compounds

Given descriptions, diagrams, or scenarios, students will write and name the chemical formulas of binary covalent compounds.