1 / 12

MEASUREMENT

Learn about qualitative and quantitative measurement types, SI (fundamental) units, derived units, and physical properties used for identification. Practice solving problems involving density, volume, and speed.

jasonhart
Download Presentation

MEASUREMENT

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MEASUREMENT

  2. TYPES • QUALITATIVE • RESULTS ARE DESCRIPTIVE (NONNUMERIC: BIG, SMALL, PINCH, ETC.)

  3. QUANTITATIVE • RESULTS ARE NUMERIC WITH UNITS (1 INCH, 5 POUNDS, ETC)

  4. SI(FUNDAMENTAL)UNITS • 1)LENGTH = METER (m) • 2) MASS = KILOGRAM (kg) • 3) TIME = SECOND (s) • 4) TEMPERATURE = KELVIN (K)

  5. 5) AMOUNT OF SUBSTANCE = MOLE (mol) • 6) PRESSURE = PASCAL (pa) • 7) ENERGY = JOULE (J)

  6. DERIVED UNITS • DEFINED IN TERMS OF 2 OR MORE SI UNITS • REQUIRES MATH (CALCULATED VALUE) • EXAMPLES:

  7. 1) VOLUME • VOLUME = L x W x H = LENGTH UNIT3 • UNITS: cm3 (mL), dm3 (L), etc.

  8. 2) SPEED • SPEED = DISTANCE/TIME • UNITS: m/s, km/s, km/hr, etc.

  9. 3) DENSITY • DENSITY = MASS/VOLUME • UNITS: kg/cm3, g/cm3, g/mL

  10. PHYSICAL PROPERTY USED FOR IDENTIFICATION • DOES NOT DEPEND ON HOW MUCH MATERIAL YOU USE • EX:DENSITY OF 1.00 kg OF SILVER = DENSITY OF 1.00 g OF SILVER

  11. PRACTICE PROBLEMS COPY & SHOW ALL WORK. DON’T FORGET UNITS. 1) WHAT IS THE DENSITY OF AN OBJECT WITH A MASS OF 73.7 gAND A VOLUME OF 5.34 cm3? 2) WHAT IS THE VOLUME OF A CUBE THAT IS 7.3 m ON A SIDE?

  12. 3) WHAT SPEED IS AN OBJECT TRAVELING AT TO GO 4.0m IN 0.045s?

More Related