This Demonstration illustrates the concept of rotating a 2D polygon. The rotation matrix is displayed for the current angle. The default polygon is a square that you can modify.
تعلم الجمع والطرح.
في هذه اللعبة التفاعلية المأخوذة عن مختبر بيجيلو لعلوم المحيطات، قُم ببناء شبكة غذائية توضح مسار تدفق الطاقة داخل أحد الأنظمة البيئية للقارة القطبية الجنوبية المتجمدة (أنتاركتيكا)، وكذلك توضح العلاقة بين المفترسات وفرائسها.
Arabic 4 fun includes five categories: alphabet, numbers, shapes, colors, and fruit names. Within each category, there is an introduction which explains the lesson, three exercises (easy, medium, & hard), and a memory game. The memory game includes the words written out in Arabic. The user may self-study or watch the explained lesson.
Aswaat Arabiyya is an archive of 245 videos in Arabic, listed by difficulty level and accompanied by glossaries and four worksheets each that focus on every aspect of listening comprehension. Selections come largely from Arabic media, with some cultural presentations by native speakers. Videos cover the entire Arabic-speaking world and include MSA and different dialects. Materials are designed to be used both as in-class activities and homework assignments. Videos can be slowed down.
Give a customer the correct amount of cash back in all "big bills."
كم عدد السعرات الحرارية في الأطعمة المفضلة لديك؟ كم تدريب سيكون عليك القيام به لحرق هذه السعرات؟ ما هي العلاقة بين السعرات الحرارية والوزن؟ قم باستكشاف هذه المسائل عن طريق اختيار النظام الغذائي والتدريب ومراقبة وزنك باستمرار.
Educational Stories of Dictational Rules are sixteen stories and activities in slideshow format. These stories were made for students with learning disabilities. Short vowels, long vowels, the letter ta, double vowels, prepositions, and the letter hamza are some of the explained topics. The slideshows start with a story, state the grammar rule, and end with some exercises. The slideshows are enhanced with audio components.
The Indian Ocean Basin is becoming an important topic in middle and high school world history and geography courses, but one for which there are few instructional resources. This web-based resource helps teachers incorporate the Indian Ocean into world history studies by illustrating a variety of interactions that took place in the Indian Ocean during each era. The material is assembled into an integrated and user-friendly teaching tool for students in upper elementary, middle and high school. It offers students the chance to investigate primary sources that illustrate historical interactions, helping them to become more adept at the analytical historical thinking skills that are required by virtually all state history standards today.
If two inscribed angles intercept the same arc, then the angles are equal. Drag the orange points to change the figure.
Learn English in Arabic: Improve your English vocabulary with GCFLearnFree Reading program! Fun activities and videos will help you master 1,000 common English words. Reading and listening to texts will improve your ability to speak, read, and understand English.
A dynamically simplified solar system is constructed from online data to explore the real solar system on many different scales.
The realistically scaled solar system is surprising because nothing is visible due to the presence of many different scales. That is why it is usually rescaled in animations or illustrations. This is nice but gives us a wrong sense of distances and sizes. This Demonstration is intended to show the solar system's different scales in their full glory.
Since it is hardly possible to see anything when the real scales are used, controls have been added to modify the sizes of the celestial bodies.
Learn the very basics of managing money as well as strategies for saving, budgeting, retirement and more
شاهد كيف تتصل شكل المعادلة في قانون أوم بدائرة بسيطة. اضبط الجهد والمقاومة، وشاهد التغيير الحالي وفقا لقانون أوم. تتغير أحجام الرموز في المعادلة لتتناسب مع الرسم البياني للدارات.
شاهد كيف تتصل شكل المعادلة في قانون أوم بدائرة بسيطة. اضبط الجهد والمقاومة، وشاهد التغيير الحالي وفقا لقانون أوم. تتغير أحجام الرموز في المعادلة لتتناسب مع الرسم البياني للدارات.
Mumkin offers practice materials for learners who are at a beginning, intermediate, and advanced level. Materials are grouped by difficulty level, and consists of videos in Arabic daily life followed by comprehension questions in the form of multiple choice or fill in the blank questions. Users also have the ability to read an Arabic transcription of each video. The site also provides a series of songs in Arabic that depict some aspect of contemporary Arab life along with the lyrics to the songs.
An annotated linguistic resource which shows the Arabic grammar, syntax and morphology for each word in the Holy Quran. The corpus provides three levels of analysis: morphological annotation, a syntactic treebank and a semantic ontology.
The Read Arabic! Internet lessons were developed at the National Foreign Language Center (NFLC) at the University of Maryland primarily with high school students of Arabic in mind; however, the materials can also be used for those in college at the basic and intermediate level as well. The website assumes knowledge of the Arabic alphabet and how to read. In addition to lessons, the website includes a basic overview of the Arabic language in English, from its history to modern usage, and learning suggestions.
In this interactive activity adapted from NOVA, expand your understanding of the scientific process. Watch two videos featuring animations and interviews with scientists, and notice how the processes unfold and vary from one investigation to the other.
Algebra students need practice determining equations of lines given a pair of points, or the line parallel or perpendicular to a given line through a given point. This Demonstration, along with guiding worksheets or a teacher presentation, gives students a chance to see the relationships between these lines and points.