What is Science? Use of knowledge to solve problems Why is Science Important? How did the Internet come about? Are Science and Technology Related? Name 5 household devices that make your life easier?  How are they an example of both science and technology  Imagine living without any of these Advances in Technology lead to Advances in Science.

3 Branches of Science 1. Physical – study of nonliving things 2.Earth and Space – study of earth and the universe

3.Life Science - study of living things Chemistry – study of matter and the transformations it can undergo Physics – study of matter and energy and the interactions between the two Scientific Method 1. Make observations 2. Form a hypothesis 3. Test the hypothesis 4. Draw a conclusion 5. Develop a Theory

Measuring in Science How are horses measured? International System of Units (SI) is based on several Metric Units or base units King Henry Died By drinking chocolate milk Kilometers - used to measure length (distance between 2 points Grams – used to measure mass (quantity of matter in an object) Liters – used to measure volume (amount of space taken up) Density – ratio of an objects mass to volume D = M/V

5 Ways to Presenting Scientific Data: data table – useful for organizing data

graphs – useful for showing changes in data 1. Line 2. Bar 3. Circle 4. Pictograph

2 types of graphs 1. direct proportional 2. inverse proportional