Project Resource
The following information is intended to supplement the Science Buddies tutorial on using the accelerometer sensor options in Google's Science Journal app. This resource provides more in-depth explanation of the science behind an accelerometer and the X, Y, Z, and Linear accelerometer options in the app. What is an accelerometer? An accelerometer is a device that measures acceleration, which is the change in an object's velocity per second. Since velocity is measured in meters per second… Read more
Project Resource
What does it mean for a solution to be acidic or basic (alkaline)? It all has to do with hydrogen ions (abbreviated with the chemical symbol H+). In water (H2O), a small number of the molecules dissociate (split up). Some of the water molecules lose a hydrogen and become hydroxide ions (OH−). The "lost" hydrogen ions join up with water molecules to form hydronium ions (H3O+). For simplicity, hydronium ions are referred to as hydrogen ions H+. In pure water, there are an equal number of… Read more
Project Resource
If you are working on a complex or very involved project you may need not only our normal Science Fair Project Display Boards guide, but also some of the advanced tips below. A reminder: Read the rules for your event to make sure that your ideas for a display board, as well as our suggestions below, are allowed. What To Do Emphasize Your Most Important Points Use subheadings to emphasize your key points. A subtitle in a large font might also be effective. You can also have a… Read more
Project Resource
An Introduction to Agar With its distinctive smell, one can easily distinguish agar from the other materials commonly found in a laboratory. Chemically, agar is a polymer made up of subunits of the sugar galactose, and is a component of the cell walls of several species of red algae that are usually harvested in eastern Asia and California. Dissolved in boiling water and cooled, laboratory agar looks gelatinous. Although agar's chief use is as a culture medium for various microorganisms,… Read more
Project Resource
Reusable (plywood) display board. Pentafold display board. Tripod board stand. Poster printout mounted on a flat board. A display board constructed from Plexiglas or acrylic sheet is very unique, but it does come with some problems. Depending on what is behind this clear board, it can be very difficult to read. Tubular frame for display board. Accordion display board. "Retractor" type… Read more
Project Resource
Building your own homemade X-ray machine is not hard to do, but to do it safely requires that you learn the basics about radiation and radiation safety before beginning. This guide will give you an overview of these topics and point you to additional resources if you are interested in further reading. This guide may also be of interest to anyone generally interested in understanding radiation and radiation safety. What is radiation? The word "radiation" might make you think of… Read more
Project Resource
7-bit ASCII Character Codes The ASCII table contains letters, numbers, control characters, and other symbols. Each character is assigned a unique 7-bit code. ASCII is an acronym for American Standard Code for Information Interchange. Decimal Octal Hex Binary Value Description … Read more
Project Resource
The Focus of Your Background Research For an engineering design project, you should do background research in two major areas: Users or customers Existing solutions Users or Customers Research your target user or customer. Everything humans design is ultimately for the use of another human. (Think about it— even products designed for animals or plants are first purchased by another human!) Your choice of target user will sometimes have a big impact on your design… Read more
Project Resource
At some top science fairs, like the Intel International Science and Engineering Fair (ISEF), big display boards are the norm. We define "big boards" as those substantially larger than the standard, three-panel display board that unfolds to be 36" tall by 48" wide. Important! Before planning your display board, be sure to check the rules for your fair to make sure that you do not build a board that is too large. While a large board gives you additional room to describe… Read more
Project Resource
Proper Laboratory Technique Before starting any experiment, you should understand the entire procedure that you will be following. You need to make sure that you have the proper equipment, and that you know how to use it. When you are trying an unfamiliar procedure for the first time, it is a good idea to practice at least one "dry run" without chemicals. That way, you can make sure you have all the materials you will need at hand, and that your workflow will proceed smoothly. You… Read more
1 2 3 4 5 ... 15 >
Free science fair projects.