Review Sheet. 2) Which branch of science broken into chemistry and physics? a. Life science b. Earth science c. Biology d.

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1 Multiple Choice: Circle each answer. Review Sheet 1) Which famous scientist was known for his/her work in radioactivity? a. Albert Einstein b. Marie Curie c. Thomas Edison d. Pierre Curie 2) Which branch of science broken into chemistry and physics? a. Life science b. Earth science c. Biology d. Physical science 3) Scientific Inquiry is also known as what? a. Scientific investigation b. Science c. Scientific method d. Investigation 4) Observations typically lead to what? a. Predictions b. Inference c. Questions d. Problems 5) Hypothesis typically lead to what? a. Observations b. Results c. Conclusions d. Results 6) How does one typically go about testing a hypothesis? a. Analyzing results b. Conducting an experiment c. Communicating results d. Drawing conclusions 7) What are three ways in which you can communicate your results?

2 a. Writing science journal articles b. Speak at a science conference c. Exchange information on the internet d. All of the above 8) Which of the following is known for developing from many different hypotheses that share a common idea? a. Scientific investigation b. Scientific law c. Scientific theory d. Scientific method 9) What year was the International System of Measurement developed? a. 1960s b. 1950s c. 1920s d. 1980s 10) Length is measured using which of the following units? a. Meters b. Feet c. Yard d. Inches Short Answer: Answer the following questions. 11) Physical science is broken down into what two branches of science? a. Physics and chemistry 12) Which branch of science is known for its studies in the many process that occur on and within the Earth? a. Earth Science

3 13) Which branch of science studies all organisms and the many processes that occur within them? a. Life Science 14) Is it ever okay if your hypothesis isn t supported by an investigation? a. Yes 15) If the hypothesis isn t supported the investigation, was the experiment a failure and a waste of time? a. No 16) What is the difference between scientific theory and scientific law? a. Scientific law is a rule that describes a repeatable pattern, while scientific theory is an explanation of observations or events based on knowledge from many observations and investigations. 17) Name the four areas to where science can t answer. a. Beliefs, values, personal opinions, feelings 18) What is the difference between description and explanation? a. Description is a summary of observations, while explanation is an interpretation of observations. 19) What is the difference between precision and accuracy?

4 a. Precision is a description of how close repeated measurements are, while accuracy is a description of how close a measurement to an accepted value. 20) What is the equation for percent error? a. Experimental value-accepted value X 100% 1. Accepted value 21) How many Nobel Prizes did Marie Curie win? a. Two 22) What does the Scientific Method help to answer? a. To answer questions about the natural world 23) How many times are supposed to conduct an experiment? a. Several times 24) What are conclusions? a. A summary of information from testing a hypothesis 25) What are the three ways that you can communicate your results? a. Writing science journal articles b. Speak at a science conference c. Exchange information on the internet

5 26) What unit of measurement is used to measure mass? a. Kilograms True/False: Identify as either true or false. If the answer is false, then correct it to make the statement true. 27) Marie Curie wasn t allowed to study at the University of Warsaw because she was a woman. a. True 28) Throughout history, people of many different backgrounds have made scientific contributions. a. True 29) Testing a hypothesis is usually done by analyzing your results. a. False, conducting an experiment 30) Communicating your results isn t really an important part of science. a. False, Is important 31) Communicating results helps in evaluating and testing others works and helps to foster progress in your own research. a. True 32) When it comes to evaluating scientific information, it is important to always be biased, identify facts and opinions, and think objectively about information. a. False, skeptical 33) Science has the answers to all the questions.

6 a. False, science doesn t have the answers to all questions. Matching: Match the following terms with their definitions. 34) J The investigation and exploration of natural events and of the new information that results from those investigations. 35) M A possible explanation for an observation that can be tested by scientific investigation. 36) L A rule that describes a repeatable pattern in nature. 37) A The internationally accepted system of measurement. 38) C The expression of error as a percentage of the accepted value. 39) F The results of using one of more of your senses to gather information and taking note of what occurs. 40) E The practical use of scientific knowledge, especially for industrial or commercial use. 41) G A spoken or written summary of observations 42) B A method of writing or displaying very small or very large values in a short form. 43) H Comparing what you already know with the information you are given in order to decide whether you agree with it. 44) I An explanation of observations or events that is based on knowledge gained from many observations and investigations. 45) D An interpretation of observations. 46) K A statement of what will happen next in a sequence of events. 47) N A logical explanation of an observation that is drawn from prior knowledge or experience. a. International System of Units b. Scientific notation c. Percent error d. Explanation e. Technology f. Observation g. Description h. Critical thinking i. Scientific theory j. Science

7 k. Prediction l. Scientific law m. Hypothesis n. Inference Conversion Problems: Convert the following prefixes. 48) 4569 mm to hm hm 49) 826 m to km km 50) hm to cm 3530 cm 51) 25 m to cm 2500 cm 52) kg to hg hg 53) g to kg kg 54) 0.56 kg to g 560 g 55) hg to cg 5698 cg 56) dal to dl 0.5 dl 57) L to ml 5332 ml 58) 5639 L to kl kl 59) 329 cl to hl hl

8 60) L to dal dal Essay: Answer the following questions. 61) Compare and contrast scientific theory and scientific law. Scientific Law Scientific Theory Based on repeated X X observations and can be modified or rejected States that an event will X occur Explains why or how an event occurs X 62) Name the six steps of the scientific method. a. Ask question b. Hypothesize and predict c. Test hypothesis and analyze results d. Draw conclusions e. Communicate results