TeachEngineering
Teach Engineering: Tools and Equipment, Part I
Through a series of activities, students discover that the concept of mechanical advantage describes reality fairly well. They act as engineers creating a design for a ramp at a construction site by measuring four different inclined...
Yale University
Yale University: General Chemistry Lab Techniques: Burets
Tutorial shows proper procedure for handling a buret and using this piece of laboratory equipment to measure liquid volume. View accompanying video full-length [18:00] or in segments.
CK-12 Foundation
Ck 12: Scientific Method
[Free Registration/Login may be required to access all resource tools.] Describe how the Renaissance period in history changed the approach to science. Identify the steps of the scientific method. Differentiate between the independent...
Science Struck
Science Struck: Uses of Crucible Tongs
Discusses what tongs are used for and why crucible tongs are a very important tool in a laboratory and other settings. Describes the different types of crucible tongs, their uses, and some safety tips.
Science Struck
Science Struck: The Numerous Uses and Methods of Using a Petri Dish
Learn about the important role the petri dish plays in enabling the study of microorganisms, some of its uses, and how petri dishes are used.
Dartmouth College
Dartmouth College: Chem Lab: Analytical Balance
Use this site to learn how analytical balances are used when you need a high degree of precision. Find out the proper use and care of this very sensitive instrument. Requires QuickTime plug-in for some features.
Dartmouth College
Dartmouth College: Buret
This informative site defines what a buret is and how it is used when doing a titration. Excellent pictures of the buret and the titration process.
National High Magnetic Field Laboratory
Magnet Academy: Mass Spectrometry: How to Weigh an Atom
It's hard enough to weigh something as itty bitty as atoms or molecules. Factor in that they're careening by faster than Jeff Gordon on steroids, and you get an idea what scientists are up against. Using comet particles from NASA's...
Dartmouth College
Dartmouth College: P H Meter Analog
Use this site to find out what a pH meter is and how to use it in this informative and concise site.
Dartmouth College
Dartmouth College: Digital P H Meter
This site explains how a digital pH meter uses an electrode to measure the pH of a solution Find out how to use this instrument in this informative site.
Dartmouth College
Dartmouth College: Chem Lab: Flasks, Beakers, & Graduated Cylinders
Find out the uses for Erlenmeyer flasks and beakers and graduated cylinders in this informative site.
Dartmouth College
Dartmouth College: Pipet
A concise but informative explanation of what a pipet is and how to use a pipet bulb.
Dartmouth College
Dartmouth College: Top Loading Balance
Use a top loading balance to weigh solid material when a precision of 0.1 is adequate. Find out how to operate this instrument in this concise site.
Dartmouth College
Dartmouth College: Chem Lab: Repipet
Learn what a repipet is and how it is used in this brief but informative site.
Dartmouth College
Dartmouth College: Chem Lab: Volumetric Flask
What is a volumetric flask? What does it look like? How is it used? These questions are answered in this concise and informative site.
Dartmouth College
Dartmouth College: Chem Lab: Scanning Spectrometer
The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.
Science Struck
Science Struck: What Is a Buchner Funnel? Setup, Structure, and Uses
Learn what a Buchner funnel is, how it works to filter solids from liquids, and some of its applications.
TeachEngineering
Teach Engineering: Edible Rovers
Students act as Mars exploratory rover engineers. They evaluate rover equipment options and determine what parts fit in a provided NASA budget. With a given parts list, teams use these constraints to design for their rover. The students...
TeachEngineering
Teach Engineering: Solving With Seesaws
Students use a simple seesaw to visualize solving a two- or three-step mathematics equation, while solving a basic structural engineering weight balance problem in the process. They solve two-step equations on a worksheet and attempt to...
TeachEngineering
Teach Engineering: Measuring Distance With Sound Waves
Students learn about sound waves and use them to measure distances between objects. They explore how engineers incorporate ultrasound waves into medical sonogram devices and ocean sonar equipment. Students learn about properties, sources...
TeachEngineering
Teach Engineering: The Science of Spring Force
Students use data acquisition equipment to learn about force and displacement in regard to simple and complex machines. In the engineering world, materials and systems are tested by applying forces and measuring the resulting...
TeachEngineering
Teach Engineering: Protect Those Eyes
Students design and build prototypes for protective eyewear. They choose different activities or sports that require protective eyewear and design a device for that particular use. Students learn about the many ways in which the eyes can...
TeachEngineering
Teach Engineering: Simple Coulter Counter
Students build and use a very basic Coulter electric sensing zone particle counter to count an unknown number of particles in a sample of "paint" to determine if enough particles per ml of paint exist to meet a quality standard. In a lab...
TeachEngineering
Teach Engineering: Mouse Trap Racing in the Computer Age!
Students design, build and evaluate a spring-powered mouse trap racer. For evaluation, teams equip their racers with an intelligent brick from a LEGO MINDSTORMS NXT Education Base Set and a HiTechnic acceleration sensor. They use...