Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Αποτελέσματα 1 - 3 από τα 62.
Σελίδα 4
... Scientists rarely throw a theory away com- pletely . Rather , they modify the theory to make it useful once more . 4. A theory should be the simplest explanation that will fit the facts . One aim of the scientist is to reduce the number ...
... Scientists rarely throw a theory away com- pletely . Rather , they modify the theory to make it useful once more . 4. A theory should be the simplest explanation that will fit the facts . One aim of the scientist is to reduce the number ...
Σελίδα 5
... scientist believes that nature does not act one way today and another way tomorrow . Natural events can be predicted because you can depend upon the uniformity of the universe . 5. Scientists believe that all natural events have natural ...
... scientist believes that nature does not act one way today and another way tomorrow . Natural events can be predicted because you can depend upon the uniformity of the universe . 5. Scientists believe that all natural events have natural ...
Σελίδα 49
... Scientists work with matter and energy or with ideas about matter and energy , that is all . Energy is not definable ... scientists depend upon other great scientists who lived before them . 1 What is a force ? 2 How is motion measured ...
... Scientists work with matter and energy or with ideas about matter and energy , that is all . Energy is not definable ... scientists depend upon other great scientists who lived before them . 1 What is a force ? 2 How is motion measured ...
Περιεχόμενα
UNIT | 1 |
UNIT | 49 |
distributors of the John Frankenheimer film Grand Prix A General Electric Company 337 bottom rightGeneral Electric | 92 |
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acid acting ACTIVITY added amount atoms beam become body called carbon causes cell charges chemical chemical change circuit color combining compounds connected contains copper determined direction distance earth effort electrical electrical charges electrons elements energy engine equal experiment explain facts feet FIGURE flow force fuel gain gives glass grams happens heat hour hydrogen inch increases ions iron kinds lamp laser layer length light liquid magnet mass materials matter means measure metal miles mirror molecules moon motion move nature needed object oxygen particles piece plane plate pole position pounds pressure produced push rays reflected resistance Result rock scientists shell side sodium solution sound space speed spring stars Study surface temperature Terms theory travels tube turns units waves weight wire