Which of the following is a characteristic of a scientific practice?
A It makes large and unrealistic claims.
B It avoids criticisms.
C It uses logic and reasoning.
D It chooses to share only supporting evidence.
Which of the following is a characteristic of a scientific practice?
A It expects sharing all data and not just interesting data.
B It seeks criticism to improve the process.
C It changes as new evidence deepens.
D It relies on personal experiences to support claims.
When does a claim or idea become a theory?
A after an observation is made from an experimental set-up
B after few predictions are recorded based on observations
C after a lot of empirical evidence supporting the idea has been found
D after one possible explanation for the phenomenon is offered
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Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
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A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
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Physics, 23.06.2019 00:30
Discuss the difference between thermal energy and heat. (terrance) terrance, egolf, r., congdon, donald. physical science student text, 5th edition. bju press, 2014. vitalbook file.
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Which of the following is a characteristic of a scientific practice?
A It makes large and unrealis...
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