A student proposes this hypothesis in class: "If I make the angle of a ramp steeper, then a ball rolling down the ramp will be going faster when it hits the ground.”
How did Louis Pasteur’s experiments lead to new scientific understandings of germs?
Darwin developed the theory of evolution to explain why there are so many different kinds of living things. He could easily observe that offspring of any animals were slightly different from their parents and that this could allow for big changes over thousands of years. He did not know that genes caused the differences. Genes are now very important in the modern theory of evolution.
Which is the best description of a scientific theory?
Albert Einstein changed the way we think about gravity by using the results of many new experiments to explain that giant objects like Earth bend the space around them. According to Einstein, this bending of space makes smaller objects move toward larger objects.
Albert Einstein first hypothesized that a large object, such as a planet, bends the space around it. This hypothesis became part of the theory of relativity, which is about how objects affect the space and time around them.
What was most likely a question that inspired Leeuwenhoek, Koch, and Petri as they developed new technologies while exploring germ theory?
Which statement is most likely a scientific law?
What would most likely occur over time if new technologies gave us information that challenged what scientists currently understand about natural selection?
Imagine that a team of scientists test a certain hypothesis, and the experimental results show that it is false. How will this information most likely be helpful in the future?
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