Do an Internet search using the key a. You know that a meter stick is relatively close in size to a yard stick, which you are familiar with. 1. d. What was the outcome of the experiment? FOR SAMPLE ONLY - NOT FOR CLASSROOM USE CHAPTER 2 2CHAPTER The Scientific Process 33 On August 21, 2003, on a specially built hill in Irvine, California, six adults climbed into cars with no motors and rolled downhill. The first hypothesis that heat is a form of energy was hypotheses made by a German doctor, Julius Mayer, in 1842, and confirmed by experiments done by James Joule in 1843. Technology has allowed scientists to explore the ocean depths, Earth’s unseen interior, and the vastness of space. from 0 to at least 50 grams. (mph). 1.3 CONVERTING UNITS 17, CHAPTER 1 MEASUREMENT Solving Problems: Converting SI Units STUDY SKILLS When you convert from one SI unit to another, you multiply or divide by a SI Conversion Tool series of 10s. VOLUME cubic meter (m3) 1 cm3 = 0.000001 m3 3. How many yards did she 11. 5. c. On which axis should you graph each variable? Therefore, we say there are three useful or significant digits in this length measurement. tee, and each one of them goes into the same sand trap, I have good precision but poor accuracy. Make a scatterplot using the data below. Scientific evidence that is ____ can be seen by others if they repeat Section 2.3 the same experiment in the same way. value per box on graph = data range axis number of boxes on A quick rule of thumb to use for creating scales is to try counting first by Figure 1.13: Depth of the ocean and ones, then twos, then fives, then 10s. 40 cm: 1; 4 cm: 1; 4.0 cm: 2; 40. cm: 2; 45 cm: 2; 450 cm: 2; 450. cm: 3 b. of science to meet human needs and solve problems. Is that an English or SI unit? Step 1: Choose which will be the a. Grouping data for comparison dependent and independent b. a. Suppose you have three drinking cups that are identical except for the material they are use every day. 12. Write 3,800 seconds in hours, minutes, and seconds. Why is experimentation so important to science? Others who looked through his telescope saw the same thing. How do you realistic measurement for each item? Whatever quality that creates “hot” must go away or weaken as the coffee gets cold (Figure 2.3). 1 cm is about the width of your = 1 cm centimeter (cm) 1 mm = 0.001 m little finger. 42 UNIT 1 SCIENCE SKILLS, THE SCIENTIFIC PROCESS CHAPTER 2FOR SAMPLE ONLY - NOT FOR CLASSROOM USE Section 2.2 Review Science and Serendipity 1. For Question 5, predict what a graph c. What is the experimental variable? What type of relationship does the depth versus pressure graph on the previous page show? The current theory correctly explains the new evidence. 6. After doing research, you come up with an idea for how to make the bridge. hits the curve that fits the points that were measured. �P ���y�@�f�))�K1e����89�)�N}���\%���c>In��"9{�/��.�������p�`K-h�Ŵ�5�&�=�-G�`�a>�X�㇚Y͓�"� ��I>^0)��jZ��T�����F:��I������Kh��?��dxzv��->͗�~Q��}P���*Γ�:�����xR0�|*�Q93����9:��u]y;/gu5O�5����b�=�3+�+k5�k`�%N�.j'M)Ex*��֪�F��x�YA[���*ԓC��f�$�2�y�A��)�N��є questions. 1. Last Modified: Sep 23, 2020. Even one single piece of evidence that does not agree with a theory will force scientists to return to step one. 18. 7. Our nation needs your help to continue to reach new heights in space science and industry. • width of pool b. The dependent variable is the variable another variable.FOR SAMPLE ONLY - NOT FOR CLASSROOM USE that might be influenced by the independent variable, and can also be called the responding variable. 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