Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...

Build a basic understanding of units of measure and create a great foundation for your learners. The lesson gives a complete overview of everything measurement, from types of measurement to rounding to conversions — it has it all! 

How do you convert inches to centimeters? Or pints to liters? This handy reference guide has both US to metric, and metric to US conversions in a quick, easy-to-read format. Mass, area, volume, capacity, and length conversions are...

Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...

Getting the right measurements can save a lot of time and money in the real world. Learners are introduced to unit conversion and how to accurately go from one unit to another. The first pages are notes and then the packet finishes with...

What are calories, and how do calorie needs differ from person to person? Here is a activity that briefly explains how calories measure the energy supplied by food, as well as suggests the amount of food an individual should eat per day.

Assist your class with understanding collisions as they apply the Law of Conservation of Momentum. Pupils measure the momentum before and after manipulation of two objects so that one strikes another in an inelastic collision. The lesson...

Test the limits of gravity while encouraging full class participation with this thrilling lesson. Pupils investigate the meaning of work and how it is equivalent to energy. They explore the joule and apply it as a unit of work. They...

Has your class wondered how fast a human could run or how high they are capable of jumping? Help them understand these concepts as they explore acceleration and use an accelerometer to make semiquantitative measurements of acceleration...

If you need an array of worksheets to augment your science lessons, peruse a collection of assignments that is sure to fit your needs. With topics such as metric conversion, the scientific method, textbook features, research skills,...

Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...

Here's a resource ideal for independent learners who need extra reinforcement or would like to work ahead. These textbook chapters and practice problems cover many basic physics concepts, starting with potential and kinetic energy and...

Numbers that are very large or very small are difficult to express in standard notation. Pupils learn how to convert between standard and scientific notation. They also multiply and divide the numbers in scientific notation. 

The Center for Mathematics and Science Education at the University of North Carolina at Chapel Hill provides an interesting and easy-to-use dictionary of the history and meaning of many measurement terms. Metric, International, and...

This resource provides historic information on length measurement in the United Kingdom. Click on the topics on the left toolbar of the article to find out more information.

This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.

Neutrinos, described here, are particles scientists still have a lot to learn about. They are trying to measure their masses. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of...

This metric system tutorial is compared to the U.S. standard system so that students can comprehend the measurement of length, volume, mass and the like.

What is mass? What is weight? Illustrated discussion of mass and weight including how they are measured.

Convert metric measurements to U.S. Measurements and the reverse, too. Easy to follow tables have sections for area, length, mass,temperature and volume.

Learn all about wind, what it is, words used to describe wind, the different types, the coriolis effect, different types of breezes, and how wind is measured.

This site gives information on the metric system, as well as abbreviations for metric conversion.

Very complete chart of conversion factors for English to SI (metric) unit measurements and SI (metric) to English unit measurements. Includes length, area, volume, mass, temperature, illumination, and force & mass (stress).

This site provides a great overview of stoichiometry, the part of chemistry that studies amounts of substances that are involved in reactions. Content focuses on what you measure, and includes two examples.