Students comprehend that ratios and fractions are interchangeable. They compare ratios using common denominators, cross multiplication, and intuition. Students find equivalent fractions. They comprehend that equivalent ratios do not...

Students research additional information about questions on their worksheet. In this energy activity, students develop visual aids of their proposed solution to the problem. They present their work in class.

Double click that mouse because you just found an amazing lesson! This cross-curricular Ornithology lesson incorporates literature, writing, reading informational text, data collection, scientific inquiry, Internet research, art, and...

Young scholars gain practice in the use of fractions, changing fractions, using equivalent fractions, and paying attention to detail. They divide a word into appropriate fractional parts and use equivalent fractions to correctly divide...

Middle schoolers examine and compare traits of humans and crocodiles.  In this crocodile instructional activity students use a ratio to estimate the height of a person and compare that to a crocodile. 

Students examine and calculate the percentage of potable water remaining on the earth. In this ecology and geography lesson plan, students brainstorm the main factors affecting water distribution. Students use mathematical problem...

Students study the egg code to learn about sea ice. In this sea ice lesson, students discuss and view a diagram to learn about the egg code when describing sea ice and its thickness. Students work in groups to play a game using the egg...

Seventh graders simulate the capture-recapture method of population sampling using beans. In this biology lesson, 7th graders calculate the total population of beans in the bowl. They assess whether this method is reliable or not.

Learners work collaboratively to gain a better understanding of the vastness of space by scaling down the solar system. They measure by inches, gain an understanding of space, and model the distances of the planets from the sun.

Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...

Students begin the activity by noting the many ways in which to use peanuts. In groups, they use the internet to research the work of George Washington Carver. They discover the allergies and nutritional information of the peanut and...

Students determine sea ice thickness, concentration, and floe size by reading egg codes.  In this sea ice conditions lesson, students color code a map based on prescribed criteria and use the maps to identify changes in sea ice...

Students observe and count bird sightings around their schoolyard throughout the school year.

Learners observe and discuss cloud cover. They identify percent of cloud cover, calculate cloud cover by fraction and convert to a percent, and compare their models with the current real sky cloud cover.

Learners design and build a snowplow using LEGO materials. They compete in an Engineer's Challenge to clear a path through Styrofoam peanuts.