Addition Basics
Some fundamental concepts and terminologies in the basics of addition and in math in general
Dr. Osama M. Khaled
May 31, 2022 04:06 AM
Applying Division
Wondering how division can be used in real life? Take the quiz to know the answer. Division word problems
Dr. Osama M. Khaled
May 30, 2022 08:13 AM
Software Architecture Definitions
Dr. Osama M. Khaled
May 30, 2022 04:40 AM
What is software architecture?
Dr. Osama M. Khaled
May 30, 2022 04:34 AM
Lines, segments and rays
Answer some questions about lines, segments and rays
Dr. Osama M. Khaled
May 29, 2022 02:36 AM
Points, lines, and planes
Geometry is based on three undefined words: point, line, and plane
Dr. Osama M. Khaled
May 27, 2022 01:49 AM
Gravity acceleration
Objects accelerate if drop freely near the surface of the earth
Dr. Osama M. Khaled
May 26, 2022 03:03 AM
Cells
Cells and cell theory
Dr. Osama M. Khaled
May 24, 2022 01:54 AM
History of Geometry
Good to know historical information about geometry
Dr. Osama M. Khaled
May 23, 2022 01:25 AM
Geometry Definitions
Some essential definitions in geometry
Dr. Osama M. Khaled
May 23, 2022 01:17 AM
Cell Structure Definitions
Play hangman and get to know more definitions related to cell structure topic
Dr. Osama M. Khaled
May 18, 2022 12:37 AM
Microscopes
A microscope is a laboratory instrument scientists use to examine objects that cannot be seen by naked eyes.
Dr. Osama M. Khaled
May 13, 2022 01:08 AM
Java History
You may think that history makes facts. You will be amazed to know Java history. Take the quiz to know more
Dr. Osama M. Khaled
May 04, 2022 04:57 AM
Accelaration
Gaining speed
Dr. Osama M. Khaled
May 02, 2022 05:19 AM
Speed
Speed is a very important concept in physics to explain one of the most important characteristics of moving objects.
Dr. Osama M. Khaled
Apr 17, 2022 11:49 PM
Matter Basics
Test your knowledge about some fundamental concepts in matter
Dr. Osama M. Khaled
Nov 02, 2021 11:03 AM
Definitions
Learn the basic terms to endeavour the journey of Chemistry
Dr. Osama M. Khaled
Oct 31, 2021 02:01 AM
Introductory concepts in Biology - 3
Dr. Osama M. Khaled
Oct 28, 2021 02:28 AM
Introductory concepts in Biology - 2
Dr. Osama M. Khaled
Oct 28, 2021 01:55 AM
Introductory concepts in Biology - 1
Dr. Osama M. Khaled
Oct 28, 2021 01:41 AM
Percentages
Increasing or decreasing by a given percentage
Dr. Osama M. Khaled
Oct 26, 2021 04:28 AM
Water absorption and transmission
Absorption and transmission of water and mineral salts in plants is a very important process for plant survival. How much do you know about it?
Dr. Osama M. Khaled
Oct 18, 2021 10:20 PM
Plant parts
Do you know plant parts? Take this quiz and refresh your knowledge
Dr. Osama M. Khaled
Oct 16, 2021 12:31 AM
Catalysts
Catalysts are very important in industry. They speed up a chemical reaction by lowering the amount of energy you need to get one going. They are the backbone of many industrial processes, which use chemical reactions to turn raw materials into useful products.
Dr. Osama M. Khaled
Oct 11, 2021 05:02 AM
levers - 2
Levers makes the task perform easily by doing one of the following functions
Dr. Osama M. Khaled
Oct 08, 2021 02:11 AM
Levers - 1
Levers makes the task perform easily by doing one of the following functions
Dr. Osama M. Khaled
Oct 08, 2021 12:30 AM
Natural Numbers
What do you know about natural number
Dr. Osama M. Khaled
Oct 07, 2021 01:19 AM
Java Compilation Errors
This quiz will help you recognize common compilation errors. Usually, IDEs are powerful enough to capture such errors on the fly. However, it is very important to know them by heart as you may be in a situation using only Javac and you do not want to waste a lot of time
Dr. Osama M. Khaled
Jun 24, 2021 09:08 PM
Java Basics
Some fundamental questions about Java that you should know and may be asked during interviews
Dr. Osama M. Khaled
Jan 07, 2021 04:35 AM
Quadratic Expressions - Expanding
Another quiz showing how to do equation expansion
Mohamed Osama
Dec 18, 2020 12:14 AM
