Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Molecular Hamiltonian wikipedia , lookup
Spectral density wikipedia , lookup
Work (thermodynamics) wikipedia , lookup
Heat transfer physics wikipedia , lookup
Spinodal decomposition wikipedia , lookup
Heat equation wikipedia , lookup
Relativistic quantum mechanics wikipedia , lookup
Name ____________________________ Part I: Fill in the table. Physical Science- Chapter 1 Measurements Review MEASUREMENT IS A VERBAL DESCRIPTION OF A SUBSTANCE A MEASUREMENT THAT INCLUDES A NUMBER Quantity Definition Unit Equipment Base or Derived Unit L (standard) mL = cm3 Volume The quantity of matter in an object Length Time Energy balance Measure of the average kinetic energy (vibration of molecules) oC, K sec The ability to do work or produce heat calorimeter g/ml or g/cm3 1 ________________between two points Duration of an event Examples: Graduated cylinder, balance, ruler Part II: Metric Units 2. Fill in the following chart. prefix “Unit” Units da mnemonic Unique 3. Convert the following: a. 65.20 cm = __________ m d. 125.8 dg = ___________kg b. 0.0573 Mm = ________ mm e. 64.9 L = _____________hL c. 49.68 cg = ___________ g f. 8.2 dam = ___________km Part III: Density Problems Problem Solving: For the following problems, you must Show your work and include all units. Density Equation : 1. An object has a mass of 35 grams and a volume of 22 cm3. Determine its density. Equation: Given: Find: 2 2. An object has a density of 11 g/cm3. If its volume is 6.5 cm3, what would be its mass? Equation: Given: Find: 3. A chunk of sulfur has a mass of 36 grams. If the density of sulfur is 2.1 g/cm3, what would be the chunks volume? Equation: Given: Find: 4. A cube has a density of 1.25 g/cm3 and has sides of 12 cm, 11 cm and 15 cm. Calculate the mass of this solid. Formula to find volume: Equation: Given: Finding: 5. The volume of water in a graduated cylinder is 150 mL. We drop a marker in, and the water level rises to 221 mL. What is the volume of the marker? Equation: Given: Find: 3