This is an inquiry activity that relies of pervious understanding of balancing and weighing to introduce a properties of air.

You will learn about "Balancing Chemical Equations" in this video. The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. This means that the number of atoms in each element should remain the same before and after a reaction. Let us understand this with the help of an example. Hydrogen combines with nitrogen to give ammonia. Here, 2 is the subscript, which tells us the number of hydrogen and nitrogen atoms. Now, we need to balance the number of atoms on both the sides. There are 2 hydrogen atoms in the reactant and 3 in the product. Also, there are 2 nitrogen atoms in the reactant and only 1 in the product. We need to multiply hydrogen atoms by 3 and ammonia by 2. Now, there are 3 * 2, i.e. 6 hydrogen atoms in the reactant and 2 * 3, i.e. 6 hydrogen atoms in the product. Similarly, there are 2 nitrogen atoms in the reactant and 2 * 1, i.e. 2 nitrogen atoms in the product. Hence, this chemical equation is now perfectly balanced.

To display the results from the previous activity, each student designs and constructs a mobile that contains a duplicate of his or her original box, the new cube-shaped box of the same volume, the scraps that are left over from the original box, and pertinent calculations of the volumes and surface areas involved. They problem solve and apply their understanding of see-saws and lever systems to create balanced mobiles.

Students create models of objects of their choice, teaching them skills and giving them practice in techniques used by professionals. They use sketches as they build their objects. This activity facilitates a discussion on models and their usefulness.

" This course provides an exciting, eye-opening, and thoroughly useful inquiry into what it takes to live an extraordinary life, on your own terms. The instructors address what it takes to succeed, to be proud of your life, and to be happy in it. Participants tackle career satisfaction, money, body, vices, and relationship to themselves and others. They learn how to address issues in their lives, how to live life, and how to learn from it. This course is offered during the Independent Activities Period (IAP), which is a special 4-week term at MIT that runs from the first week of January until the end of the month. This not-for-credit course is sponsored by the Department of Science, Technology, and Society. A similar, semester-long version of this course is taught in the Sloan Fellows Program. A semester-long extension of the IAP course is also taught to the population at large of MIT (please see PE.550, Spring). Acknowledgment The instructors would like to thank Prof. David Mindell for his sponsorship of this course, his intention for its continued expansion, and his commitment to the well-being of MIT students."

In this video we will learn how to balance chemical equations.

This is the QUICKEST and EASIEST method!
1. Balance the Medals
2. Balance the Nonmetals (except H and O)
3. Balance hydrogen then oxygen

The application of engineering principles is explored in the creation of mobiles. As students create their own mobiles, they take into consideration the forces of gravity and convection air currents. They learn how an understanding of balancing forces is important in both art and engineering design.

Build up to algebraic thinking by exploring this balance tool using shapes of unknown weight. Challenge yourself to find the weight of each shape in one of six built-in sets or a random set.

Students explore the concepts of center of mass and static equilibrium by seeing how non-symmetrical objects balance. Using a paper cut-out shape of a parrot sitting on a wire coat hanger, they learn that their parrot exists in stable equilibrium — it returns to its balancing point after being disturbed. The weight of its tail makes the parrot balance upright. Give the parrot a push, and she knocks off balance, but swings back and forth until coming to rest in balance again.

Students write a biographical sketch of an artist or athlete who lives on the edge, riding the gravity wave, to better understand how these artists and athletes work with gravity and manage risk. Note: The literacy activities for the Mechanics unit are based on physical themes that have broad application to our experience in the world concepts of rhythm, balance, spin, gravity, levity, inertia, momentum, friction, stress and tension.

The concepts of stability and equilibrium are introduced while students learn how these ideas are related to the concept of center of mass. They gain further understanding when they see, first-hand, how equilibrium is closely related to an object's center of mass. In an associated literacy activity, students learn about motion capture technology, the importance of center of gravity in animation and how use the concept of center of gravity in writing an action scene.

This course introduces sensory systems and multi-sensory fusion using the vestibular and spatial orientation systems as a model. Topics range from end organ dynamics to neural responses, to sensory integration, to behavior, and adaptation, with particular application to balance, posture and locomotion under normal gravity and space conditions. Depending upon the background and interests of the students, advanced term project topics might include motion sickness, astronaut adaptation, artificial gravity, lunar surface locomotion, vestibulo-cardiovascular responses, vestibular neural prostheses, or other topics of interest.

Students use a simple seesaw to visualize solving a two- or three-step mathematics equation, while solving a basic structural engineering weight balance problem in the process. They solve two-step equations on a worksheet and attempt to solve the challenge of "balancing a beam" through hands-on problems. The use of sensor equipment for correct position monitoring aids students in balancing the structure, as well as balancing the equation as they solve it on paper.

Students are introduced to static equilibrium by learning how forces and torques are balanced in a well-designed engineering structure. A tower crane is presented as a simplified two-dimensional case. Using Popsicle sticks and hot glue, student teams design, build and test a simple tower crane model according to these principles, ending with a team competition.

To learn about the concept of center of mass, students examine how objects balance. They make symmetrical cut-outs of different "creatures" and experiment with how they balance on a tightrope of string. Students see the concept of center of mass at work as the creatures balance.

وزن التفاعلات الكيمياء أحد أهم المفاهيم التي يجب على كل طالب يدرس كيمياء أن يدركها حتى يكون متمكناً من تفاعلات الكيمياء.