1. When you look at this person napping on a picnic blanket, from one meter away, how many times would we have to back up from him to see the entire U.S? a.10 1 b.10 7 c.10 8 d.10 21 1

2. Topic: The Metric System Metric System or SI Le Systeme International d’Unites (SI) – aka: Metric System – Adopted in 1960 – Standard International measurement – Powers of Ten 2

3. Topic: The Metric System What is the difference between mass and weight? Mass measures the quantity of matter Standard unit = kg (kilogram) Instrument = Balance 3 Weight measures the gravitational pull on matter Standard unit = N (Newtons) Instrument = Spring scale

4. Topic: The Metric System LengthDistance measurement Standard unit = m (meter) Instrument = Ruler 4

5. Topic: The Metric System Volume Amount of space occupied by an object For non-liquid volumes, standard unit = m 3 (cubic meter) For liquid volumes, standard unit = L (liter) 1 mL = 1cm 3 Instrument = Graduated cylinders or rulers 5

6. Topic: The Metric System TemperatureHeat measurement Standard unit = ⁰C (⁰Celsius) Instrument = Thermometer 6

7. Topic: The Metric System (k) kilo 10 3 (h) hecto 10 2 (da) deca 10 1 10 0 (d) deci 10 -1 (c) centi 10 -2 (m) milli 10 -3 (µ) micro 10 -6 (n) nano 10 -9 Lengthm Massg VolumeL 7