2. The teacher takes attendance each morning to see who is in the classroom. INPUT

3. What is the typical flow of the components that make up an information system? Input-->Process->Output-->Feedback

4. Used to make future changes in an information system feedback

5. Used to maintain data for the long term storage

6. The statement, “A unusally high tide is caused by the full moon” is an example of a(n) scientific explanation.

7. Scientists must______, or determine the quality of, each other’s scientific explanations. evaluate

8. When scientific work conflicts with the beliefs of society and its leaders, a___________ can arise. controversy

9. Galileo used his telescope to collect evidence that planets revolved around _______. the sun

10. The ______ of gravity describes the attraction between all objects in the universe. law

11. The fuel in a home heating system is part of the ___________ of the system. input

12. Data and observations collected through scientific processes are called _______________ evidence. empirical

13. The property that describes what happens in a system is called the _____________. process

14. Scientists use ____________ to understand how systems work and to predict changes in a system. models

15. Future testing can still prove an accepted scientific _____________ to be incorrect. theory

16. Which of the following is an example of a scientific law? a.All cells are produced from other cells. b.All objects in the universe attract each other. c.All substances are composed of tiny particles called atoms. d.Mass can be converted into energy and energy can be converted into mass. b.All objects in the universe attract each other.

17. A scientific _______ describes how something works or why something happens. explanation

18. Which describes how opinion and scientific evidence are related? a.An opinion is an idea that may be formed from evidence. b.Evidence is an idea that may be confirmed by an opinion. c.Scientific evidence and opinion are the same thing. d.Scientific evidence and opinion are not related. An opinion is an idea that may be formed from evidence.

19. Why is it useful for scientists to develop models for the structure of atoms? Atoms are too small to study directly.

20. Described as a simple system from your book? Food chain

21. A group of parts that work together is called a system

22. Who caused controversy with the research about the harmful effects of the pesticide DDT. Rachel Carson

23. A well-tested explanation for a wide range of observations or experimental results is called a Scientific theory

24. ATM Machine input Putting the card in the machine

25. Process of putting the card in the ATM machine. Menu comes up and asks you where you want to get your money, balance, or amount you want to get.

26. The output is getting your money what would be the storage and feedback? The storage is recording it and debiting it from your account, the feedback is getting your receipt showing you the amount you received and the balance of your account.