Go Math Science

Single- and Double-Displacement Reactions

by Dr. Osama M. Khaled — published Dec 28, 2023 — last modified Jul 13, 2024 01:08 PM — filed under: Year 10

Recognize chemical reactions as single-replacement reactions and double-replacement reactions

Located in Chemistry / Chemical Reactions

Software Engineering Diversity + Web‑Based Systems

by Dr. Osama M. Khaled — published May 27, 2026 — last modified May 27, 2026 10:15 PM — filed under: Year 9, Year 10, Undergraduate

A focused assessment of how students understand the diversity of software systems and the unique engineering challenges of modern web‑based, distributed, and ...

Located in Computing / Software Engineering / Get Started

Software Engineering Ethics

by Dr. Osama M. Khaled — published May 28, 2026 — last modified May 28, 2026 07:22 AM — filed under: Year 9, Year 10, Undergraduate

This quiz evaluates students’ ability to recognize, interpret, and apply core ethical principles that guide responsible, trustworthy, and socially conscious ...

Located in Computing / Software Engineering / Get Started

Sorting

by Dr. Osama M. Khaled — published Sep 03, 2023 — last modified Jul 13, 2024 09:44 PM — filed under: Year 10

The sorting problem is to rearrange the items of a given list in nondecreasing order

Located in Computing / … / Introduction / Important problem types

Special Words

by Dr. Osama M. Khaled — published Jun 01, 2022 — last modified Jul 13, 2024 10:41 PM — filed under: Year 10

Special words in programming languages are used to make programs more readable by naming actions to be performed

Located in Computing / … / Concepts / Names, Bindings, and Scopes

Specific Gravity

by Dr. Osama M. Khaled — published Aug 14, 2024 — last modified Aug 17, 2024 04:20 AM — filed under: Year 8, Year 9, Year 10

The specific gravity of a substance is often listed in tables instead of either mass density or weight density

Located in Physics / Solids

Speed

by Dr. Osama M. Khaled — published Apr 17, 2022 — last modified May 02, 2026 05:24 AM — filed under: Year 10

Speed is a very important concept in physics to explain one of the most important characteristics of moving objects.

Located in Physics / Force and Motion

Stack

by Dr. Osama M. Khaled — published Jun 16, 2022 — last modified Jul 13, 2024 10:38 PM — filed under: Year 10

Stack concept is easy to understand

Located in Computing / … / Introduction / Fundamental Data Structures

String Processing

by Dr. Osama M. Khaled — published Sep 07, 2023 — last modified Jul 13, 2024 01:21 PM — filed under: Year 10

String processing algorithms have been important for computer science for a long time in conjunction with computer languages and compiling issues.

Located in Computing / … / Introduction / Important problem types

Temprature and Density Units

by Dr. Osama M. Khaled — published May 21, 2026 — last modified May 21, 2026 10:36 PM — filed under: Year 10

Temperature scales, temperature conversions, density calculations, floating and sinking behavior, and related chemistry vocabulary

Located in Chemistry / Measurements

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