Derived Units Volume = length  width  height Density = mass per unit volume (g/cm 3 or g/ml) D = MVMV D M V.

Slides:

Advertisements

Similar presentations

Notebook p 29 Three Ways To Determine Density. 1) Regular Objects 1.Measure the each side of the block in centimeters. Calculate volume in cm³: multiply.

Advertisements

Ch. 2 - Measurement I. Units of Measurement (p.34-45)

DENSITY What’s Density? Tell me everything you think you know about Density? Try!!!

A Look at Density and How to Calculate It.

1. Find your assigned seat and take a seat 2. SURVEY! - Use pencil - DO NOT put your name on it.

Measurement I. Units of Measurement  Number vs. Quantity  SI Base Units & Prefixes  Derived Units  Density Calculations.

Density by. Density is _______per unit _______ of a material D = m ÷___ m = ___x___ v = m ÷ ____ D = _____ g/mL or g/cm 3 m = ____in grams L = length.

What is density and how is it measured?

Separating Mixtures The components of a mixture can be separated based on the physical properties of: Magnetism.

Density- Cornell notes page 125. Density Physical property of matter amount of matter in a given amount of space. (amount of matter is called “mass,”

Density All substances have different densities, therefore, you can identify a substance if you know its density The formula to calculate something’s density.

Measurement-A Common Language Density The measure of how much mass is contained in a given volume.

Chapter 2 Section 2 Units of Measurement Density & Volume.

Notes on mass, volume & density. Weight Weight: A measure of the force of gravity on an object. Weight: A measure of the force of gravity on an object.

Density. Different substances have different densities. The density of a material does not depend on the size or amount of the substance you have. Density.

Finding VOLUME DeMarco. The OBJECTS FORMULA? L x W x H Length = 6cm.

“The Density Equation” Mass (g) Volume (mL or cm 3 ) Density (g/mL or g/cm 3 )

1. Which is more dense, water or wood? How do you know? 2. Which is more dense, 1 pound of lead or 100 pounds of lead? Wood, if it sinks in water. SAME!

Density. Problem 1 Given: mass = g volume= 100 ml Find: density Solution: DV M.

Chapter 1 Density.

Introduction to Matter Lecture: Calculating Density.

Density and % error. Density Density – Compares mass (amount of matter) of object to its volume (amount of space occupied) mass per unit volume (g/cm.

Characteristic Physical Properties. Characteristic physical properties are properties that are unique to a substance and can be used to identify it. For.

Density Density is the measure of how much mass is contained in a given volume * density is made up of two measurements mass and volume, so the density.

Measuring Measuring Length, Mass, and Volume. How long is the following? Ans. 7.7 cm.

Density Equation m V d SymbolVariableUnits dDensityg/cm 3 or g/mL mMassgrams VVolumecm 3 or mL.

DENSITY How to measure and calculate. REVIEW  Density is the amount of matter in a given area  We calculate it by _ Mass_ Density = Volume Common units:

Density How close together the molecules of an object are. How Dense the molecules are. “Dense forest” = thick, hard to see through.

Density. Introduction We can see the difference in density of different materials when we look at... wood floating on water helium balloons floating.

Volume The amount of space an object takes up. 3 ways to measure volume Liquid Volume –Graduated cylinder mL Volume of a Regular Solid –Length x Width.

Calculations Involving Density Calculating Density from Mass and Volume.

Density Section 2.1 Measurement of how packed or crowed object is Ratio of mass to volume.

How can you compare the densities of liquids without calculations?

Density Lab Density = Mass/Volume. Density of Blocks – Same type, different sizes ItemMass (g) Length (cm) Width (cm) Height (cm) Volume (cm3) Density.

Density. Take a look at the two boxes below. Each box has the same volume. If each ball has the same mass, which box would weigh more? Why?

Density Practice Quiz!!. Practice Density Problem #1 Students doing a lab started with 30 ml of water in a graduated cylinder. They added an object to.

Measuring Matter 2.2 Weight and Mass

Density- notes page 21 Essential Question: How do we explain density?

Density- Cornell notes page 21

Density Practice Problems

Density Think back to our definition of matter (anything that has mass and takes up space). What is another word for how much space something takes up?

Will it Float or Sink? Density.

Density Think back to our definition of matter (anything that has mass and takes up space). What is another word for how much space something takes up?

Measurement I. Units of Measurement Number vs. Quantity

What is Density? The ratio between the mass of an object and the volume of the same object In other words, it tells you how much matter an object has within.

Ch. 1- Measurement I. Units of Measurement Number vs. Quantity

Understanding Density

Ch. 2 - Measurement I. Units of Measurement Number vs. Quantity

MEASUREMENT Part4.

Characteristic physical properties

Measurement I. Units of Measurement Number vs. Quantity

To calculate Density you divide Mass by volume.

Measurement I. Units of Measurement Number vs. Quantity

Measurements and Calculations

Ch. 2 - Measurement I. Units of Measurement (p.34-45)

Measurement I. Units of Measurement Number vs. Quantity

Unit 2.2 Density.

3.4 Density More Calculations!.

Measurement Units of Measurement Number vs. Quantity

Measurement I. Units of Measurement (p.34-45) Number vs. Quantity SI Base Units & Prefixes Derived Units Density Calculations.

Presentation transcript:

Derived Units Volume = length  width  height Density = mass per unit volume (g/cm 3 or g/ml) D = MVMV D M V

Density An object has a volume of 825 cm 3 and a density of 13.6 g/cm 3. Find its mass. GIVEN: V = 825 cm 3 D = 13.6 g/cm 3 M = ? WORK : M = DV M = (13.6 g/cm 3 )(825cm 3 ) M = 11,220 g D M V

A liquid has a density of 0.87 g/mL. What volume is occupied by 25 g of the liquid? GIVEN: D = 0.87 g/mL V = ? M = 25 g D M V WORK : V = M D V = 25 g 0.87 g/mL V = 28.7 mL Density (cont’d)

Density (ugh… enough already) You have a sample with a mass of 620 g and a volume of 753 cm 3. Find its density. GIVEN: M = 620 g V = 753 cm 3 D = ? D M V WORK : D = M V D = 620 g 753 cm 3 D = 0.82 g/cm 3

A gold-colored ring has a mass of 18.9 grams and a volume of 1.12 mL. Is the ring pure gold? (The density of gold is 19.3 g/mL.)

What volume would a gram sample of air occupy if the density of air is 1.29 g/L?

A cup of sugar has a volume of 237 mL. What is the mass of the cup of sugar if the density is 1.59 g/mL?