DO NOW FRIDAY Describe what you think are the correct parts of a data table. Parts of a Correct Data Table 1.Title including independent and dependent variables 2.Independent variable on left side and dependent variable on right side. 3.Headings on all columns 4.Units of measurements included in headings ONLY What is the Title? Graphing is an essential tool in science. Graphs enable us to visually communicate information. Our goals for graphing: Understand the various types of graphs Decide what kind of graph would be best to use based on data collected. Identifying data to be displayed on the x- and y- axes Scaling a graph properly Labeling a graph with axes labels, title, units and legend or key if necessary DO NOW THURSDAY itle (The Effect of the (independent variable) on the (dependent variable) xes (x and y) abel x and y axes (include units of measurement) ey (if necessary) cale (numbers on each axis) DO NOWDO NOW DO NOW: WEDNESDAY 1.How many deaths occur due to accidents and trauma each year? 2.Can you predict the number of deaths that are the result of cancers and tumors for the next ten years? Explain. WEDNESDAY DO NOW WEDNESDAY 1.Which score was received by the most students? 2.How many students received this score? 3.How many students are represented in this histogram? Group Activity 1.As a group, come up with a survey question. Ex. What is your favorite food? 2.Make a data table to collect your data. 3.Collect data for this question from your group and from ten other people in class. YOU HAVE 5 MINUTES FOR THIS. 4.Make a circle graph. *Use colors and a KEY* DO NOW THURSDAY 1.Which kind of music do most students prefer? 2.Which kinds of music make up a total of 25% of the students preference? 3.If there are 750 students at this school, how many students prefer alternative? FRIDAY MONDAY The steepness of the line shows how quick or gradual the change is. Flatter line = Gradual (slower) change Steep line= Faster change Line Graphs Make a line graph from the following data and fill in the missing numbers using interpolation and extrapolation. Remember, a good graph TALKS.) Weight (lbs)Length of Spring (in) ?? 518 6?? Weight (lbs)Length of Spring (in) ?? 518 6?? (measurements) Exact numbers DO NOT have significant digits. Measurements DO!! Significant Digits How do we determine the number of significant digits in a measurement? KEEP IT ON THE D-L.. o No, not Down Low, DECIMAL LEFT. When the measurement has a DECIMAL, start counting from the LEFT side. When the measurement doesnt have a decimal, then start counting from the right. o What do I mean ..count??? o Ill show you! e) f) 10 g) 10.0 h) a) b) c) d) WEDNESDAY DO NOW THURSDAY DO NOW FRIDAY How many significant digits are in the following? a)54.500b) 0.001c) 100 Give the answer with the correct number of significant digits. d) = e) 15.3/4.72 =