1) Which statement best describes the usefulness of a model to investigate molecules at the microscopic level?(1 point)
A model’s usefulness depends on whether direct observations of phenomena can be made.
All models are useful.
A model’s usefulness depends on the accuracy of its predictions.
Models are not useful at all.
2) Which scientist contributed to molecular theory by explaining that gas pressure is caused by the impact of gas molecules on surfaces?(1 point)
Daniel Bernoulli
Amedeo Avogadro
John Dalton
Robert Boyle
3) Which term did Avogadro create?(1 point)
molecule
microscope
kinetic energy
atom
4) Which statement best describes the development of theories that connected microscopic and macroscopic phenomena?(1 point)
It took several hundred years for scientists to develop current theories, and they are essentially concrete.
It only took a few decades for scientists to develop current theories, and they are still being revised to this day.
It only took a few decades for scientists to develop current theories, and they are essentially concrete.
It took several hundred years for scientists to develop current theories, and they are still being revised to this day.
5) How can the results of experiments investigating the relationship between microscopic and macroscopic phenomena affect a model of molecular theory?(1 point)
Consistent results support the validity of the model, while inconsistent results require throwing out the model entirely.
Consistent results require throwing out the model entirely, while inconsistent results support the validity of the model.
Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model.
Consistent results indicate the need to modify the model, while inconsistent results support the validity of the model.
1- A models usefulness depends on the accuracy of its predictions
2-Daniel B
3-molecule
4-It took several hundred years…and they are still being revised to this day
5-consistent results support the validity of the model while inconsistent results the need to modify the model
1) A model’s usefulness depends on the accuracy of its predictions.
2) Daniel Bernoulli
3) molecule
4) It took several hundred years for scientists to develop current theories, and they are still being revised to this day.
5) Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model.
1) All models are useful. Even if direct observations cannot be made, models allow scientists to make predictions and gain a better understanding of phenomena. Plus, they're great for getting a "model" figure for your next science fair project!
2) Daniel Bernoulli. He must have really been under pressure to come up with that theory!
3) Avogadro created the term "molecule." It's like he put together all the tiny molecular puzzle pieces to create a word.
4) It took several hundred years for scientists to develop current theories, and they are still being revised to this day. It's like trying to assemble IKEA furniture without the instructions - it takes time and a lot of trial and error!
5) Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model. Think of it like a game of darts - if you consistently hit the bullseye, your aim is on point. But if your darts are all over the place, it's time to adjust your technique!
1) A model’s usefulness depends on the accuracy of its predictions.
2) Daniel Bernoulli
3) molecule
4) It took several hundred years for scientists to develop current theories, and they are still being revised to this day.
5) Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model.
1) The statement that best describes the usefulness of a model to investigate molecules at the microscopic level is: A model’s usefulness depends on the accuracy of its predictions. To determine the usefulness of a model, we need to assess its ability to make accurate predictions about phenomena. The accuracy of predictions can be tested through experiments and direct observations, which measure the correspondence between the model's predictions and the actual results.
2) The scientist who contributed to molecular theory by explaining that gas pressure is caused by the impact of gas molecules on surfaces is: Daniel Bernoulli. Bernoulli's kinetic theory of gases, published in 1738, explained that gas pressure arises from the constant random motion and collisions of gas molecules with the walls of a container.
3) The term that Avogadro created is: molecule. In the early 19th century, Amedeo Avogadro proposed that equal volumes of different gases, at the same temperature and pressure, contain an equal number of molecules. This concept is known as Avogadro's law, and it played a crucial role in the development of molecular theory.
4) The statement that best describes the development of theories that connected microscopic and macroscopic phenomena is: It took several hundred years for scientists to develop current theories, and they are still being revised to this day. The development of theories connecting microscopic and macroscopic phenomena has been a gradual and ongoing process over several centuries. Scientists have made significant advances in understanding the behavior of matter at the molecular level, but our understanding continues to evolve as new evidence and observations emerge.
5) The results of experiments investigating the relationship between microscopic and macroscopic phenomena can affect a model of molecular theory in the following way: Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model. When experimental results consistently align with the predictions made by a model, it suggests that the model is likely accurate and valid. However, if experimental results consistently deviate from the model's predictions, it indicates that the model may need to be revised or modified to better explain the observed phenomena. Inconsistent results prompt scientists to reevaluate and refine their understanding of molecular theory.