Projectile Motion Simulator
Explore 2D trajectories under different gravity environments. Adjust angle, speed, and drag — then launch to animate the flight.
Dr. Osama M. Khaled
May 22, 2026 08:58 PM
Temprature and Density Units
Temperature scales, temperature conversions, density calculations, floating and sinking behavior, and related chemistry vocabulary
Dr. Osama M. Khaled
May 21, 2026 10:22 PM
Converting Units
Dimensional analysis, SI units, metric prefixes, conversion factors, scientific notation, temperature conversions, density-related measurements, and important vocabulary used in chemistry measurements.
Dr. Osama M. Khaled
May 21, 2026 08:45 PM
Significat Figures
This quiz focuses on identifying significant figures, applying rounding rules, performing calculations using significant figure conventions, interpreting measurements, and expressing answers with proper precision
Dr. Osama M. Khaled
May 21, 2026 07:45 PM
Comprehensive Review: Fluid Mechanics and Gas Dynamics
A comprehensive review of fluid mechanics, hydrostatic pressure, and gas dynamics
Dr. Osama M. Khaled
May 20, 2026 10:29 PM
Buoyancy in gases
Archimedes' principle states that an object in a fluid is buoyed up with a force equal to the weight of fluid displaced
Dr. Osama M. Khaled
May 20, 2026 10:13 PM
The Barometer
The barometer is a device used to measure atmospheric pressure
Dr. Osama M. Khaled
May 19, 2026 07:23 PM
Pressure in gases
Gases are more easily compressed than liquids. But if there is so much empty space between molecules, why is any effort at all required to compress them? Why do they exert pressure?
Dr. Osama M. Khaled
May 19, 2026 07:11 PM
Diffusion through liquids and gases
Diffusion is the intermixing of molecules of substances due to random motion of the molecules
Dr. Osama M. Khaled
May 19, 2026 08:38 AM
Molecules in gases
The molecules of the gas are not bound together by forces at all, but fly about freely in space
Dr. Osama M. Khaled
May 19, 2026 08:27 AM
Pascal's Principle
When additional pressure is put on a confined liquiz, the pressure is transmitted equally to all parts of the liquid
Dr. Osama M. Khaled
May 18, 2026 09:43 PM
Find the volume of cylinders, cones, and spheres
The volume of a three-dimensional figure is a measure of its capacity. Cylinders, cones, and spheres are no difference from this rule.
Dr. Osama M. Khaled
May 18, 2026 08:33 PM
Find the volume of rectangular solids, prisms, and pyramids
The volume of a three-dimensional figure is a measure of its capacity
Dr. Osama M. Khaled
May 18, 2026 12:04 PM
Find the area of a circle
The area of a circle represents the total two-dimensional space enclosed within its curved boundary
Dr. Osama M. Khaled
May 17, 2026 07:34 PM
Find the circumference of a circle
Since early history, mathematicians have known that the ratio of the distance around a circle (the circumference) divided by the length of its diameter is approximately 3.
Dr. Osama M. Khaled
May 17, 2026 03:05 AM
Define circle, radius, chord, diameter, and arc.
A circle is the set of all points in a plane that lie a fixed distance from a point called its center
Dr. Osama M. Khaled
May 16, 2026 11:54 PM
Find the area of figures that are combinations of polygons
To find the area of an irregular shape, break up the shape into familiar polygons. Find the area of each polygon and then add the results
Dr. Osama M. Khaled
May 16, 2026 10:01 PM
Find the area of a polygon
The area of a polygon is the measure of the amount of surface it encloses. Area is measured in square units, such as square inches or square centimeters
Dr. Osama M. Khaled
May 16, 2026 09:19 PM
Find the perimeter of a polygon
The perimeter of a polygon is the distance around it. To find the perimeter of a polygon, we simply add the lengths of its sides
Dr. Osama M. Khaled
May 16, 2026 08:42 PM
Use the formula for the sum of the angle measures of a polygon
The total sum of all the interior angles inside a polygon depends entirely on the number of sides it has
Dr. Osama M. Khaled
May 16, 2026 08:10 AM
Find unknown angle measures of trapezoids
A trapezoid is a quadrilateral with exactly two sides parallel
Dr. Osama M. Khaled
May 16, 2026 01:12 AM
Use properties of rectangles to find unknown angle measures and side lengths
The rectangle is probably the most common and recognizable of all geometric figures
Dr. Osama M. Khaled
May 15, 2026 08:30 PM
Classify quadrilaterals
A quadrilateral is a polygon with four sides
Dr. Osama M. Khaled
May 15, 2026 10:47 AM
Use similar triangles to find unknown lengths in application problems
Similar triangles and proportions can be used to find lengths that would normally be difficult to measure.
Dr. Osama M. Khaled
May 14, 2026 09:49 PM
Determine whether two triangles are similar
Similar triangles have the same shape, but not necessarily the same size
Dr. Osama M. Khaled
May 14, 2026 09:08 PM
Whole numbers division (vocabulary)
Learn the language of mathematics when applying division for whole numbers.
Dr. Osama M. Khaled
May 13, 2026 07:59 AM
Solve application problems by dividing whole numbers
Application problems that involve forming equal-sized groups can be solved by division.
Dr. Osama M. Khaled
May 13, 2026 07:52 AM
Estimate quotients of whole numbers
To estimate quotients,we use a method that approximates both the dividend and the divisor so that they divide easily
Dr. Osama M. Khaled
May 11, 2026 11:48 AM
Divide whole numbers that end with zeros
Divide whole numbers that end with zeros
Dr. Osama M. Khaled
May 11, 2026 11:41 AM
Use tests for divisibility
One number is divisibleby another if,when dividing them,we get a remainder of 0
Dr. Osama M. Khaled
May 11, 2026 11:30 AM
