Chemistry, 18.10.2019 09:00 jraghubir50
Which of the following is an example of how a scientist might use a model? a. a stopwatch is used to time the rate of a chemical reaction. b. a microscope is used to magnify a group of cells on a slide. c. a wrench is used to tighten a nut on a piece of wood. d. the end of a slinky is moved vertically up and down to simulate a wave.
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Chemistry, 22.06.2019 08:30
What is the independent variable in this investigation? mass volume sample number substance density
Answers: 3
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
Answers: 2
Chemistry, 22.06.2019 22:00
Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.
Answers: 2
Chemistry, 23.06.2019 00:00
In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above
Answers: 3
Which of the following is an example of how a scientist might use a model? a. a stopwatch is used t...
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