CK-12 Foundation
Ck 12: Chemical Formulas
[Free Registration/Login may be required to access all resource tools.] Students will use a chemical formula or mass data to calculate the percent composition of a compound, and then calculate the empirical or molecular formula for a...
Science Struck
Science Struck: Horsepower Formula
Explains what is meant by horsepower, where the term originated, and demonstrates how to use the formulas for calculating the horsepower of a car and an electric motor. Conversion formulas are also provided. Includes interactive...
Calculator Soup
Calculator Soup: Two Dimensional Distance Calculator
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molar Mass Conversion Factors
Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.
Illustrative Mathematics
Illustrative Mathematics: G Gmd Centerpiece
This problem presents a wedding reception scenario. The bride is creating centerpieces for the tables and must calculate how many marbles she needs to partly fill the vases and stay within her budget at the same time. Aligns with G-GMD.A.3.
Science Struck
Science Struck: Density of Ethanol
Discusses the density of ethanol at different temperatures, how to calculate the density, and what ethanol is used for.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Mass
Defines inertial and gravitational mass, their scientific history, formulas used in their calculation, the definition of weight, units used for mass, and mass as perceived in the theory of special relativity.
CK-12 Foundation
Ck 12: Calculus: Volume by Cross Section
[Free Registration/Login may be required to access all resource tools.] This tutorial explains how to calculate the volume of various solids using the 'slicing' method and then deriving a formula for each solid. It goes on to discuss...
Cuemath
Cuemath: Arc Length
Learn all about arc length. This lesson targets what is arc length and the different formulas used to calculate it. Check-out the interactive simulations to know more about the lesson and try your hand at solving a few interesting...
Math Open Reference
Math Open Reference: Surface Area of a Right Prism
Use this interactive tool to find the surface area of a right prism. Try different figures for the height and the dimensions of the prism to see how these affect the surface area. Properties of right prisms are explained, how to use a...
Science Struck
Science Struck: Simple Machine: History and Application of Screws
Explains what a screw is, its history, the formula for calculating its mechanical advantage, the many types of screws in use, and some applications of screws today.
Science Struck
Science Struck: Simple Machine: Levers
Explains what a lever is, its history, how it works, the formula for calculating its mechanical advantage, classes of levers, and uses of levers.
University of Glasgow
Steps Statistics Glossary: Expected Value
Site defines statistical expected value as the population mean and discusses it's usefulness as a summary value of a variable's distribution. The formula for calculating expected value is provided, as is an example.
Science Struck
Science Struck: Boyle's Law Explained
Gives brief biographical information for Robert Boyle and explains what Boyle's Law is and how to make calculations using his formula.