In this algebra worksheet, students solve a word problem using algebraic expressions. An answer key is provided.

Students examine the effects of heating on various crystals. They formulate and revise scientific explanations and models using logic and evidence. Students work individually during this experiment.

Fourth graders develop problem solving skills while learning to measure an athletic track. The focus upon logic and reasoning is helpful for all types of science and math calculations.

Ninth graders examine the ethical issues and concerns that emerge in the medical field.  In this Ethics instructional activity, 9th graders summarize the foundations that shape individual professional, and institutional...

Students listen to the math problem and discuss. They work alone or in groups to come up with the possible solutions and put their pictures of the bottle arrangements on the wall so that the class can refer to them.

For this logical reasoning, students figure out in what order to place four different shapes by reading the clues. Students solve the problem by drawing the shapes in the correct order.

In this sorting activity, learners use logical reasoning to identify a sorting rule for each set of two pictures and draw a third item that belongs in each group. Students draw four pictures.

The ability to make inferences is an important skill. Provide your class with some practice. This resource includes several different passages with which learners are required to practice inferring. They read each passage and respond to...

Young readers are introduced to the concept of cause and effect in a short passage on a comprehension worksheet. After reading the passage, kids record their answers to a series of questions.

There is the same amount of water on earth now as there was when it was formed. The water from your faucet could contain molecules that dinosaurs drank! Young scientists build their own hydrologic cycle model and observe...

Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...

We all know limestone weathers, but what affects the rate of weathering? Young scientists investigate the physical and chemical weathering of limestone (chalk) through experimentation. First, they conduct trials with different-size...

How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...

Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...

Teach solving for unknowns through a problem-solving approach. The grouping of five lessons progresses from finding an unknown through simple reasoning to solving simultaneous equations involving three and four variables. Each lesson...

After watching the documentary Dark Water about a traditional Chumash ceremony and reading a Chumash origin story, viewers are asked to create a coat of arms and to craft an essay that details a family tradition or their own origin story.

Is good good enough? Scholars examine claims made in a speech by Elanor Roosevelt. Roosevelt claims that people should adopt the Universal Declaration of Human Rights because it is a good document. Readers discuss their ideas in pairs,...

Having a debate doesn't mean you're fighting. Introduce middle schoolers to debate with a resource which distinguishes between an quarrel and a debate, describes the debate process and format, and presents some possible debate topics.

Solve a maze ... from a robot's point of view. In the lesson, your scholars build a small, simple maze from cardboard and then find a route from the start point to the finish point. They write an algorithmic process that a robot could...

How would you grade the events of the French Revolution? History class members evaluate the positive and negative impacts of eight pivotal events, including the Reign of Terror, the Meeting of the Estates General, and the Coronation at...

Investigate the growth and development of New York City with the final lesson in this four-part series on skyscrapers. Learners first explore the concept of urban growth by looking closely at a series of three paintings made of Wall...

An infographic is fantastic way for learners to illustrate their understanding of content, express themselves creatively, and teach others in a manner that is both engaging and informative. While originally designed for a lesson on...

Young geographers discover not only how to read and recognize coordinates on a map, but also gain a deeper understanding of latitude and longitude and how climate changes can vary significantly across latitudes.

Explore the mathematics of the paper snowflake! During the five lessons progressing in complexity from K through 12, pupils use spatial geometry to make predictions. Scholars consider a folded piece of paper with shapes cut out....