free printable second grade reading books


How to Read What Ton AC Unit I Have

Within an air conditioner a specific substance known as a refrigerant is changed between gaseous and liquid states by applying pressure changes within a sealed system. This process is called refrigeration. Refrigeration capacity is measured by how much heat can be moved within a given period of time. One unit of measure for this capacity […]



How Do I Get a Laptop to Read an SD Card?

According to the SD Card Association website, Secure Digital (SD) memory cards are about the same size as a postage stamp and are popular for storing music and video files. Since SD cards are so small, they are popular for transferring information between various devices. The portability of SD cards make them ideal for use […]



How to Read a Tile Flooring Box

Tile manufacturers don’t just put their name and the color of the tile on the box. They also provide a wide variety of information on their boxes and shipping labels to help consumers make purchasing decisions about their product. Understanding what information is provided, and how it can affect your tile installation can help you […]



How to Read Boat Hull Identification Numbers

Since November 1, 1972, all boats must have a 12-character hull identification number (HIN). These numbers are required by federal law and help the manufacturer identify the owners of their boats in case of recall or a defect notification. A change was made August 1, 1984, mostly regarding placement of the number. Due to the […]



How to Test a Car Battery With a Multimeter

Few things can ruin an adventurous road trip as quickly as a dead battery in a small town in the middle of nowhere — and with no mechanic. A car’s battery is essential to giving the starter motor the energy required to turn the flywheel until the engine reaches self-sustaining combustion. A few minutes of […]



Reading Home Drug Test Results

Reading a home drug test is fairly simple and will give you information on if a person has drugs in their system. Learn how to read home drug tests with tips from a Certified Medical Assistant in this free drug testing video.



How to Read a Battery Charger Gauge

Batteries come in a large variety of models and sizes, with chargers being just as varied to match. No matter what the individual model or complexity of the charger, however, reading the battery charger gauge is essentially the same. The reason behind this standardization of the gauge information is to promote general use among consumers. […]



How to read a web page using Python

This will show you how to read a web page from a python script given a URL. Install the python builder from here. It is free. http://www.python.org/download/releases/2.5.2/ After you have installed Python you can run it from the start menu Python 2.5 – IDLE (Python GUI) Once the application opens, it looks like notepad. Select […]



How to Read a Diode or Resistor

Diodes ensure that current flows in just one direction. Resistors control how much current flows through a circuit. Both are marked with colored stripes that mean nothing to a person who doesn’t understand how to read them. Here’s how to decipher the markings. Look for the marking – a colored stripe – on the diode […]



How to Read a Ford Truck Axle Tag

Ford truck axles are identified by a small tag attached to the differential casing on the rear axle in most cases. The only axles that are marked differently are ones made by Dana. The same markings are used but they are placed on the casing and the long shaft of the axle rather then the […]



How to Read Sonograms

You may see sonograms of friends and family online, or pictures of celebrities getting an ultrasound. You or someone close to you has probably had one. How are those pictures taken, and is it more than just a black-and-white blur? Sonograms, like this picture of a baby, are taken with sound waves using an ultrasound […]



How to Read an Echocardiogram

An echocardiogram is a medical test using sound waves to construct a moving picture of the heart. A transducer is used in performing an echocardiogram by sending out high-frequency sound waves and transmitting the echoes of the signals into electrical impulses. This test is used to check heart chambers and valves, allowing doctors to diagnose […]



Elementary Age Games to Teach Treble Clef Note Reading

Learning the notes of the treble clef is one of the primary steps for reading music. This process is usually begun in elementary school classrooms. Some students may not understand or retain what you teach them if you merely lecture. Using a game to help teach the treble clef notes is a fun way of […]



What Is a Normal Pulse Oximetry Reading?

A pulse oximeter is a medical device that indirectly measures levels of hypoxia. The device senses levels of oxygen saturation in arterial blood using spectral analysis, along with pulse rate. Generally, oximeters are accurate in measuring oxygen saturation between 70 and 100 percent. Significance A pulse oximeter is a medical device that measures levels of […]



How to Read a Sundial

Sundials have been used since ancient times to tell the time of day. They use shadows cast by a gnomon onto a chart of times on the dial. Differences in global positioning need to be accounted for to read the sun dial correctly if you want to know the exact clock time. Look at the […]