Activity
It's About Time

Sounds in Strings

For Teachers 7th - 12th Standards
How many of your pupils play an instrument? A musical science lesson will help all of them understand how string instruments work. Young scientists construct a string-and-pulley system to test frequency and pitch. The lesson...
Handout
Math Centre UK

Fractions—Basic Ideas

For Students 3rd - 5th Standards
What are fractions? Find out using a reference page and video that goes in depth on how to make fractions equivalent, write fractions in simplest form, convert improper fractions into mixed numbers, and vice versa. Following...
Handout
MLC

Decimals Worksheets

For Students 4th - 7th Standards
Make sure your students' understanding of fractions is on-point using this series of skills practice worksheets. Covering a variety of topics from basic place value and fraction/decimal conversion, to performing all four operations...
Handout
National Institute of Open Schooling

Hydrocarbons

For Students 9th - 12th Standards
The vast majority of hydrocarbons humans use help fuel cars, homes, and provide energy. A comprehensive lesson teaches pupils all about hydrocarbons. From alkanes, alkenes, and alkynes to benzene, classes study the preparation of these...
Lesson Plan
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Classroom Law Project

What does the Constitution say about voting? Constitutional Amendments and the Electoral College

For Teachers 7th - 12th Standards
As part of a study of voting rights in the US, class members examine Constitutional amendments connected with voting and the role of the Electoral College in the election process.
Handout
Del Mar College

Arithmetic of Fractions

For Students 3rd - 6th Standards
Never forget how to add, subtract, multiply, or divide fractions with a two-page document detailing each operation. 
Handout
Curated OER

"Buff at 50

For Students 6th
Students study airforce aircraft.  In this investigative lesson students discuss an article they read and divide into groups and design three different combat or peacekeeping situations. 
Handout
Music Education

Learning to Read Music: Basic Counting, Part 2

For Students 3rd - 8th
Beginning musicians can practice reading notes and counting beats using this resource that also provides several lines of music with different types of notes, rests, and time signatures.
Handout
Smithsonian Institution

National Museum of Natural History: American Mammals: Mohave Ground Squirrel

For Students 4th - 8th
The Mohave Ground Squirrel occupies a relatively tiny part of the Mohave Desert and is rarely seen since it spends more than half the year underground in a burrow. Estivation, the hot-weather equivalent of hibernation, and hibernation...