Texas Education Agency
Texas Gateway: The Bohr Model
Learn about the structure of the Bohr model in this learning module. Learning module includes information on the history, discovery, and practice with the model.
Texas Education Agency
Texas Gateway: Atomic Theory: Dalton, Thomson and Rutherford
This tutorial will help students understand how Dalton, Thomson, and Rutherford contributed to the model of the atom.
Texas Education Agency
Texas Gateway: Electromagnetic Spectrum
This tutorial explores using Planck's constant and the speed of light to calculate the wavelength, frequency, and energy of light.
Texas Education Agency
Texas Gateway: Atomic Theory: Electromagnetic Spectrum
This tutorial reviews the electromagnetic spectrum.
Texas Education Agency
Texas Gateway: Average Atomic Mass
A tutorial describing average atomic mass and how it is calculated.
Texas Education Agency
Texas Gateway: Lewis Valence Electron Dot Structures
This tutorial investigates how to draw Lewis valence electron dot structures.
Texas Education Agency
Texas Gateway: Electron Configuration
This tutorial explores electron configuration. Learn about electron configuration through interactive activities, quizzes, and videos.
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Texas Gateway: Nomenclature of Ionic Compounds
Review and practice writing and naming binary ionic compounds, ionic compounds containing transition metals, and polyatomic ionic compounds in this tutorial.
Texas Education Agency
Texas Gateway: Valence Shell Electron Pair Repulsion
Why does the shape of a molecule matter? Learn about how the shape of the molecule not only determines the molecule's properties but also whether it reacts or not. This tutorial reviews of VSEPR and molecular geometry.
Texas Education Agency
Texas Gateway: Mole Conversions
This tutorial reviews over lots of concepts including dimensional analysis, scientific notation, significant figures, and mole conversions.
Texas Education Agency
Texas Gateway: Moles and Molar Mass
A tutorial reviewing mole and molar mass.
Texas Education Agency
Texas Gateway: How Do We Quantify the Building Blocks of Matter?
Do you have a hard time visualizing the size of the mole? This learning module will provide interactive videos, activities, and videos to help you quantify the building blocks of matter.
Texas Education Agency
Texas Gateway: Empirical Formula
This tutorial reviews how to calculate molecular formula by giving students video, exercises, and practice.
Texas Education Agency
Texas Gateway: Balancing Equations
Learn how to balance equations in this tutorial. Tutorial includes videos, interactive activities, and practices.
Texas Education Agency
Texas Gateway: Ideal Gas Behavior: Dalton's Law
Explore Dalton's Law in this tutorial with videos and practice problems.
Texas Education Agency
Texas Gateway: Finding Lateral and Total Surface Area
Given concrete models and nets (2-dimensional models) of prisms, pyramids, and cylinders, the student will find and determine the lateral and total surface area.
Texas Education Agency
Texas Gateway: Formulating Systems of Inequalities
Given a contextual situation, the student will formulate a system of two linear inequalities with two unknowns to model the situation.
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Texas Gateway: Functions and Their Inverses
Given a functional relationship in a variety of representations (table, graph, mapping diagram, equation, or verbal form), the student will determine the inverse of the function.
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Texas Gateway: 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...
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Texas Gateway: Generating Equivalent Forms of Rational Numbers
Given information about a rational number in one form (fraction, decimal, or percent) in a real-world context such as financial mathematics, students will generate an equivalent rational number in a different form.
Texas Education Agency
Texas Gateway: Graphing and Applying Coordinate Dilations
Given a coordinate plane or coordinate representations of a dilation, the student will graph dilations and use those graphs to solve problems.
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Texas Gateway: Graphing Conic Sections: Ellipses
Given an equation, the student will use parameter changes to graph an ellipse and to identify the changes in the graph of an ellipse.
Texas Education Agency
Texas Gateway: Graphing Conic Sections: Hyperbolas
Given an equation, the student will use parameter changes to graph a hyperbola and to identify the changes in the graph of a hyperbola.