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The conservation of mass and energy in nuclear reactions and Einstein's equation.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The law of conservation of energy and how energy is conserved in chemical reactions.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The CK-12 Physical Science for Middle School Teacher's Edition complements the CK-12 MS Physical Science for Middle School FlexBook® resource covering matter, chemical properties and reactions, motion ...
Hipervinculo Física
An introduction to physical science covering: matter, chemical properties and reactions, motion, forces, energy, sound, waves, light, and magnetism.
It is an educational content of CK-12 Foundation (to ...
CK-12 Physical Science for Middle School Quizzes and Tests complements the CK-12 Physical Science for Middle School FlexBook® resource and includes one quiz per lesson, one chapter test, and one unit ...
Hipervinculo Física
Definition of chemical change and examples, signs of chemical change and how it can be reversed.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logge ...
Hipervinculo Física
Definition of activation energy and why all chemical reactions require it.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The educational resource shows a visual about gravitational potential energy: the calculation of gravitational potential energy is very easy for small heights, as it is given by the formula Ep=mgh, wh ...
The educational resource shows how the energy is the capacity to produce changes in the environment by doing work or transferring heat. This means that when a body transfers heat or does work, its ene ...
The educational resource shows a Flash animation about the greenhouse effect The Earth is an open material system, because it interchanges matter and energy with outer space.
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