Hypothesis Vs. Theory

While speaking to a colleague, a scientist makes the following statement: "I propose that Bald Eagle eggs in northern Maine will have thinner shells than those from birds in southern Alaska due to increased levels of pesticides in the water." This statement is a

• Theory

• Law

• Conclusion

• Hypothesis

Scientific Theories can be tested.

• True

• False

Complete the following sentence so that it is correct: Scientific theories are based on

• general assumptions of how systems work.

• mathematical principles that can be proven true.

• large amounts of data collected over time.

• observations from within only one scientific discipline.

Scientific theories do not change once they have been written down.

• True

• False

What is the best definition of the term "theory," as it is used in science?

• A theory is a guess or hunch about something that has occurred in nature.

• A theory is a hypothesis that uses laws and observation to make an assumption. A theory is a hypothesis that uses laws and observation to make an assumption.

• A theory comprehensive set of data and experiments that supports a hypothesis

• scientific theories are always original and do not connect to those that came before.