Hypotheses, Theories, and Laws Answers

Initially, scientists described atoms as the smallest particles of matter. However, smaller particles within atoms were discovered.How did the scientific world respond to this new information?

Every object that has mass attracts every other object with a gravitational force. It has been proven that the size of the gravitational force increases as the objects’ masses increase, but gravitational force decreases rapidly as the distance between the objects increases.Which best describes this statement about matter and its behavior?

Omar wrote a hypothesis about batteries called dry cells.If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.What are the variables in his hypothesis?

For which question could a testable hypothesis be developed?

After an investigation, Kuri determines that her hypothesis was wrong. What is the best thing for Kuri to do next?

For which of these questions could a testable hypothesis be developed?

Which statement describes a scientific theory?

What effect, if any, does the development of new areas of science and technology have on theories?

Nathan hypothesized that if the temperature of liquid water increased, the density would decrease because the volume would increase. He collected the data in the table below.

Doctors once believed that illness was caused by foul air and could not be transmitted from one person to another. Now, doctors know that single-celled bacteria and even smaller viruses cause illnesses and can be transmitted from one person to another.How did the advent of the microscope most likely affect the foul-air theory?