Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other...

Earth is a complex structure. Learners explore their home, the earth, using a fun hands-on activity. They create tactile models of the earth using ordinary household materials that represent some common features: land, polar caps,...

The sun isn't just a ball of yellow! Young scientists learn about the features of the sun using a hands-on modeling activity. They build models of the sun using common household items to represent sunspots, solar prominence, and the...

Rainwater doesn't stay where it falls. Learners use modeling to demonstrate how rainwater disperses once it hits the ground. The activity includes an investigation of the height of the water table in an aquifer and how it is affected by...

How much is too much nitrate in the water? Young scientists discuss the question after they run their own nitrate tests. They also consider sources of nitrates and offer explanations for the levels.

Weather seems unpredictable, but is it really? Learners collect weather data from online interactives and build data displays. They use their displays to identify temperature and precipitation patterns in different areas.

Leaf toughness can add to its herbivore appeal. Learns design an experiment to quantify leaf toughness and then perform their procedures. They follow the experiment with a set of questions that ask them to think about how leaf toughness...

Things should heat up during a hands-on lesson exploring solar energy. An enlightening activity challenges young scientists to design a structure that collects solar energy efficiently. They keep track of temperature data over time and...

Learners read Spelldown, by Becky Mushko and consider how it portrays the Appalachian community. They define and discuss vocabulary presented in the story and write a comparison/contrast paper analyzing two of the story's characters. The...

Students investigate different balls' abilities to bounce. They conduct a Ball Bounce Height Comparison and Ball Bounce Time Comparison, complete a worksheet, graph the results of their experiment, and answer investigating questions.

In this metric activity, students complete conversions, choose best measures for given items, then solve comparisons and 2 test prep questions. Houghton Mifflin text is referenced.

Learners explore cultural myths in America by collecting images and characteristics of stereotypical Americans. They read a primary source document, discussing the views of the author in class. Next, they compare the terms used to...

A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...

This is a practical sheet with the instructions to draw a set of ellipses. After following the diagrams, there are ten questions to complete, with calculations expected for alternate orbits and comparisons related to actual planets in...

Here is a complete activity in which young biologists or ecologists test the pH, dissolved oxygen, turbidity and temperature of stream water. The class visits an actual stream and makes observations of the site. They use scientific...

Use this number comparison and counting worksheet as an overhead projection for the whole class, because the answer is explained on the bottom half of the sheet. Cover the answer and reveal it once learners have tried it themselves. They...

Before handing out this number comparison activity, ask scholars to pick a number between 20 and 50. Could they do it? Explain that they chose a number greater than 20 and less than 50, which is exactly what they will be doing next. Each...

Practice the comparison words lighter, heavier, longer, shorter, smaller, and bigger using this visual chart. For each set of three objects, pupils order them according to one of these terms. The six terms are illustrated...

There are mixed and whole numbers in these sets; can your scholars put them in order from least to greatest? For each set they put five numbers in order, paying close attention to the whole numbers attached to the fractions. Learners...

How are skyscrapers built? What does it take to make a structurally sound building? How can one work within a budget to complete a building project? These guiding questions will be investigated and answered within a hands-on...

And they're off! While two runners are at track practice, your mathematicians' job is to find out who leaves the other in the dust. The activity provides a variety of data that can be computed into unit rates for comparisons. Available...

All the tools (and directions) you’ll need  to build an essay are included in a resource designed for learners and educators. The packet can be given to class members or divided into sections and used as part of a series of lesson...

“There is no story that is not true.” And Chinua Achebe’s Things Fall Apart, uses proverbs (“. . .the palm-oil with which words are eaten”), a compelling tragic hero, and historic events, to engage readers in the truth of his story of...

First graders complete number comparison activities. In this number comparisons lesson, 1st graders review the names of comparison symbols and participate in visual comparison activities. Students practice using the gator and clam method...