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11/15/2014. Introduction to Motion. Big Idea: Why do stationary objects make good reference points? What is the difference between distance and displacement? How would you know if an object is in motion?. Cue. Notes. Scalar. A quantity consists of magnitude only. Vector.
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11/15/2014 Introduction to Motion • Big Idea: • Why do stationary objects make good reference points? • What is the difference between distance and displacement? • How would you know if an object is in motion? Cue Notes Scalar • A quantity consists of magnitude only. Vector • A quantity consists of magnitude and direction. 10-R
11/15/2014 Vector Scalar Example: Example: Magnitude 10-L
11/15/2014 Examples calculation of scalar quantities 4 Kg 6 Kg 2 Kg Cues Notes 12 Kg 4 Kg 6 Kg 2 Kg 8 Kg 10-R (cont.)
11/15/2014 Examples calculation of vector quantities Cues Notes 10-R (cont.)
11/15/2014 8-L (cont.)
11/15/2014 • Definition: • The distance between 2 points • Tool/s used to measure: • Ruler • Meter Stick • Units and Interesting Facts: • 1 mile = 1.6 km • 1 kilometer = 1000 meters • 1 meter (about 3 ft) • 100 centimeter = 1 meter • 1cm (about width of pinky) • 1000 millimeter = 1 meter • 1mm (about thickness of thumb nail) What is LEGNTH? Questions Notes 8-R (cont.)
11/15/2014 Try these conversions, using the ladder method. • 2000 mm = ____ m • 5 m = ____ mm • 16 cm =___ mm • 104 km = ____ m • 198 m = _____ km • 2500 m = ____km • 480 cm = _____ m • 75 mm = _____ m • 65 m = _____ mm • 5.6 km = _____ m • 50 cm = _____ m • 6.3 cm = ____ mm • 8 mm = _____ cm • 5.6 m = _____ cm • 120 mm = ____ m 8-L
11/15/2014 • Definition: • The amount of space an object takes up • Tool/s used to measure: • Ruler (l x w x h) • Graduated cylinder • Units and Interesting Facts: • 1 liter (liter bottle of soda) • 1000 milliliter = 1 liter (1mL = 2 drops) What is VOLUME? Questions Notes 8-R (cont.)
11/15/2014 The curve of the top surface of water in a graduated cylinder is called _________. MENISCUS 8-L (cont.)
11/15/2014 What is TEMPERATURE? • Definition: • The amount of movement of molecules (how hot) • Tool/s used to measure: • Thermometer • Units and Interesting Facts: • 100° C = water boils • 37° C (98.6° F) = ave. body temp • 0°C (22°F) = water freezes Questions Notes 8-R (cont.)
11/15/2014 8-L
11/15/2014 What is TIME? • Definition: • The continuum of experience in which events pass from past, present and to the future • Tool/s used to measure: • Stop watch • Units and Interesting Facts: • Seconds • you know this already Questions Notes 8-R (cont.)
11/15/2014 Write the correct abbreviation for each metric unit. • Kilogram _____ • Milliliter _____ • Kilometer _____ • Meter _____ • Millimeter _____ • Centimeter _____ • Gram _____ • Liter _____ • Milligram _____ 8-L
11/15/2014 What is DENSITY? • Definition: • The measure of how much mass is contained in a given volume. • Units and Interesting Facts: • kg/m3 • g/cm3 • g/mL • Density of water = 1 g/cm3 = 1 g/mL Questions Notes 7-R
11/15/2014 Summary: *Make sure you address all three essential questions: What are the units of measurement commonly used in science? How important is to have a standard of measurement? How are values transposed from one unit to the other? 8-L