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Concept of speed and mass of the electrons
Concept of attraction among masses
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.
Practises the transformation of a simple expression of a measurement of mass into an equivalent complex expression, and vice versa.
The units of mass in the DMS are presented, along with their equivalents, drawing on parallels with the DNS and multiplication and division by a unit followed by zeroes.
Everyday problems are posed that are solved by adding or subtracting measurements of mass
Practises estimation and approximation in measuring mass, as well as calculation and the evaluation of errors made in each case
Everyday problems are posed that are solved by multiplying or dividing measurements of mass by a natural number.
Concept of matter has inertia
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