Using Density to Find the Thickness of a Wire

Slides:

Advertisements

Similar presentations

Significant Figures. 1.All nonzero digits are significant. Example: 145 (3 sig figs) 2.Zeroes between two significant figures are themselves significant.

Advertisements

The Size and Mass of an Oleic Acid Molecule. 1. Estimate the Width of the drop.

Density is the mass per unit volume of an object.

Section P.5 Linear Equations in Two Variables 1.Slope: can either be a ratio or a rate if the x and y axis have the same units of measures then the slope.

To find the density 1- Find the mass of the object 2- Find the volume of the object 3- Divide Density = Mass Volume.

 Put the following numbers into scientific notation (4 zeros) (8 zeros)  Perform the following operations using sig figs

Density Lab Introduction to Quantitative Measurement: Critical Question: Is density a characteristic property of a substance? Hypothesis: Materials Procedure.

Lesson 4-4 Example Determine the slope of the function y = 5x – 2. Step 1Complete a function table for the equation.

Linear Equations Complete the table: xy

Lesson 6-6 Example Example 2 Graph y = 3x + 2 and determine the slope of the line. 1.Complete a function table for the equation.

Graphing Density. Scientists have collected the following data by measuring the masses of several samples of oil. The volume of each sample of oil was.

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!

Daily Science (Aug) 1. Convert 3.56 m into dm 2. Convert 113 lbs into g (438 g in 1 pound) 1. Convert 1.65 km into inches (1 in = 2.54 cm)

Mass, Weight, and Density Density is mass per unit of volume. M D = V.

Density. What weighs more… A pound of lead or a pound of feathers? There is a relationship between an objects mass and its volume. Density: the ratio.

% by Mass Another way to measure the concentration of a solution % by mass = mass solute x 100 mass solution Solution = solute + solvent.

Graphing Lines Section 4.6.

Unit 2 Unit 2 Percent Error We know that measurements can be described in terms of precision (how close a group of measurements are to each other) and.

 Line graph - Measures change over time  Measures counted information.

Rise over Run/Mass over Volume/ g/cm 3 = Density Mass (g) Volume (cm 3 ) Rise Run Best Fit Straight Line The Density of my Dogs Food Title Describe each.

Graphs and Equations in Physics. Label each axis with 1) Quantity Position Time (m) (s) Mass Volume (kg) (mL) ) Units3) Scale.

Using Your Algebra Skills 3. The two lines at the right are parallel. How do their slopes compare?

OBJECTIVE: USE THE SLOPE INTERCEPT FORM TO GRAPH A LINE Slope Intercept Form.

Graphing Equations Slope Intercept form and Point Slope form.

Acids and Bases Titration of Vinegar

Density and Percent Error You’ll love it!. What is this Density Business? Density – a ratio of mass per volume. It is how we measure how compact or “squished.

3.9 Differentials. Objectives Understand the concept of a tangent line approximation. Compare the value of a differential, dy, with the actual change.

Warm-Up. Slope Slope Objectives: Define slope as the ratio of vertical rise to horizontal run. Determine the slope of a line given a graph. Determine.

Chapter 3.3 – 3.5 Linear Equations and slope Alg. 2 Notes Name:__________________ Date:________________.

Density White Board Review Pick up a board, marker, paper towel & calculator.

Percent Difference Calculations How do experimentally determined values compare to actual values?

Why Graph? Graphs tell a story (and help answer questions)!

Density Where Mass meets Volume. What to Know How do I convert units in Density Problems? ConversionExamples 1000 g = 1 kg a.1500 g = ______ kg b

Moment of Inertia Comparisons Test CaseParameterUnitsTechnionGeorgia Tech% Error 4K Case Ixxkg.m Iyykg.m

Finding the slope of a Line

Density Density: the ratio of the mass of an object to its volume.

Slope-Intercept and Standard Form of a Linear Equation.

Slope of a Line (6.1).

Unit 2- Measurements- Accuracy Precision % Error

Density D= Mass_ Volume Mass: put matter on balance Volume:

Density Properties Density is a measure of how compact a material is: (please draw picture) Density of most materials will decrease as temperature goes.

Objective- To find the slope of a line given

Finding the slope of a line using a graph

SLOPE = = = The SLOPE of a line is There are four types of slopes

Daily Science August 29 Write the abbreviation for microliters.

Calculating Slope.

Physical Science Density Challenge 2

Writing Equations in Slope-Intercept Form

SCIENCE SKILLS.

Understanding Density

Properties and Changes in Matter

Chapter 4, Section 2 Graphs of Motion.

Solutions to the Mass, Volume Density Problems.

U4-3 Density Review Write the density formula.

A graphing calculator is required for some problems or parts of problems 2000.

Relationship between Mass and Volume

U4-14 TITLE Predicting Periodic Properties PURPOSE To predict the density germanium using calculated densities for silicon, tin, and lead. HYPOTHESIS The.

Chapter 3.3 – 3.5 Linear Equations and slope

Calculate Density Practice reading Mass vs. Volume Graphs

Tuesday, February 10 Find the slope of a line by the graph.

3.4 Density More Calculations!.

Slope is: How steep a line is m Rise over Run All of the above

Find the y-intercept and slope

Look for a relationship between the graph &

Chemistry, Ch 02 Bellwork ( 35-38)

Chapter 4, Section 2 Graphs of Motion.

What amount of heat is required to increase the temperature of 75

Slope Graphing Day 2.

Density: 1. Which is more dense, water or wood? How do you know?

Presentation transcript:

Using Density to Find the Thickness of a Wire Part 1 Find the density of copper

Using Density to Find the Thickness of a Wire

Using Density to Find the Thickness of a Wire What is the slope of your graph? slope = Δy / Δx slope = y2 – y1 / x2 – x1 slope = rise / run Slope = mass / volume = density

Using Density to Find the Thickness of a Wire The slope of your graph is the density of copper.

Using Density to Find the Thickness of a Wire The “official” density of copper 8.96 g/ml

Using Density to Find the Thickness of a Wire Percent Error

Using Density to Find the Thickness of a Wire Percent Error calculated official value value X 100% = % error official value

Using Density to Find the Thickness of a Wire Part 2 Find the thickness of a wire

Using Density to Find the Thickness of a Wire v r = πh v = m/d d = 8.96 g/ml

Using Density to Find the Thickness of a Wire v diameter = 2 πh v = m/d d = 8.96 g/ml