Writing About Rafter Tables
Sun, Mar 31 2013 10:00
The following table is called a rafter table in the construction industry. The table is used by carpenters to calculate the length of rafters if you know the slope of a roof. Roof Slope Rafter 2 in 12 1.014 3 in 12 1.031 4 in 12 1.054 5 in 12 1.083 6 in 12 1.118 7 in 12 1.158 8 in 12 1.202 9 in 12 1.25 10 in 12 1.302 11 in
How Much Is Enough?
Sun, Jan 27 2013 08:11
Goal: You will be able to calculate the linear feet of window trim needed for any dimension window. Interior window trim (casing) is a molding that is nailed to the finished window frame to give the window a “finished” look. The trim is located on the inside of the home around the perimeter of the window frame and is often cut at a 45º angle. See picture.
R Values: What are you getting for your money?
Sun, Nov 11 2012 07:30
Math Goal: To look at pricing formulas by different manufacturers of insulation. Students will write the equation of a line using a line of best fit. Students will learn how to interpret the real life meaning of slope, y intercept, and equations.CTE Goal: Students will become familiar with R Values and learn about types of insulation available.Procedure: Students are to select
Are You Torqued?
Wed, Apr 25 2012 06:48
Math Goal: Students will write the equation of a line using a line of best fit. Students will learn how to interpret the real life meaning of slope, y intercept, and equations. CTE Goal: Students will become familiar with a torque wrench and learn the importance of torque.Teacher notes and material needs are at the bottom.Procedure: 1. Start the nut on the bolt and hand
Packaging and Shipping
Sat, Mar 17 2012 07:13
Goal: Collect data regarding weight versus volume for shipping of products. You will create/select an ideal box to ship an egg with foam packing peanuts. A contest will be conducted. Procedure: 1. Label each of your boxes with A, B, C, etc.2. Find the volume of each of your boxes. Measure to the nearest ¼ inch. Record the volume in the table below.3. Fill each box with your shipping item,
Carbon Monoxide Safety
Sun, Feb 19 2012 04:11
Goal: If the same engine was operated in this room, how fast will the safe ceiling of 200 ppm be reached. Make an estimation before continuing. Procedure:1. Looking at the graph above, how many minutes into the activity did the room become unsafe? When did the room return to safe levels of carbon monoxide (after the engine stopped)?2. What is the size of the room in the graph above?3.
Mon, Jan 16 2012 04:31
Many homes and commercial buildings have rain gutters. The gutters were originally designed to divert water away from the foundation of the building and thus prevent water damage. Most gutters are fabricated on the construction site. This allows the gutters to be as long as needed (no seams) to fit the building. Assume you have 12 inch wide flat sheet metal to bend upwards to form right angles
Driving and Texting
Sun, Nov 27 2011 05:04
Goal: Is Car and Driver correct? Learn the difference in the stopping distance of a car when driving while texting vs. not texting.Drivers today have many distractions that can keep them from applying braking as soon as possible. One of the biggest distractions while driving is texting. Many times drivers believe that a quick, short text is doable while driving. In this lab, you will collect
Cross Gable Framing Angles
Mon, Oct 17 2011 06:32
Many homes have small gables along the front of the home. The photo at right shows an example of the type of gable above the front door that we are constructing for this year's house. The width of the gable immediately above the front door is 10 feet.The main roof has a 3/12 pitch. The small gable will have a 3/12 pitch. It may be helpful to build a model of this portion of the roof out of balsa
The Law of Diminishing Marginal Returns
Sat, Sep 10 2011 01:37
A Fun Look at Economics and the ParabolaGoal: Students will simulate a factory that has the ability to add workers but can not add capital resources. Students will create a product called Nutterflutters in the class. The production process of the product will be analyzed mathematically. Background information for the teacher: All CTE areas include an element of business and how to be successful