Get hands on with solving systems of equations graphically. A solid lesson plan uses guided practice to show how to solve systems of linear equations. It allows time for sharing ideas and provides a printable matching activity...

Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...

What's the difference between a rock and a mineral? And what properties are used to identify minerals? The first installment of a five-part series on earth materials and processes prompts young scientists to identify a set of...

What can I use in space? The three-lesson unit has groups research what man-made or natural resources would be available during space exploration or habitation. Team members think of ways that resources can be reclaimed or reused in...

Right angles, acute angles, obtuse angles, central angles, inscribed angles: how many types of angles are there? Learners first investigate definitions of inscribed angles, central angles, and intercepted arcs. The majority of the...

Young travelers plan a trip to Hilbre Island based on constraints on tides and time. They use a timeline to help determine the optimal day/time to make the trip.

In 2006, about 20 percent of the world's electricity was generated from hydroelectric power. In the presentation, scholars review the water cycle and gravitational energy to begin to understand how humans harness the power of water. They...

Get crafty this Groundhog's Day with a hands-on activity that combines creativity and making predictions. Scholars color, cut out, and put together a friendly image of a groundhog and showcase whether they feel the weather will be sunny...

Follow a teach, practice, and apply routine to provide extra support with a themed unit created by Houghton Mifflin. Topics include compound words, noting details, action verbs, suffixes, compare, and contrast, verbs, fantasy,...

Here's a graphic that provides learners a place to record their ideas on any topic. After identifying a subject, they record their ideas within the follage of the tree.

If you feel like you're standing still, you're wrong! The Earth is constantly rotating and orbiting under our feet. Demonstrate the Earth's movement within the solar system with a collaborative activity. With a candle or lamp in the...

Apply the principles of geology to a series of collaborative, hands-on class activities. Young earth scientists learn more about igneous, metamorphic, and sedentary rocks before classifying and weathering rocks that they find....

Decide on the most efficient plan to supply drinking water. The second project-based learning task in a two-part series builds upon the first project. Pupils revisit the wells to supply drinking water, but they must make sure the...

How can your draw three-dimensional figures on paper? The lesson shows pupils how to draw orthographic projections of three-dimensional figures composed of cubes. After viewing a PowerPoint presentation, they practice this skill with...

Get crazy for crystals! Junior geologists learn the secrets of crystal formation through lecture, reading, and examples. Other topics include common ionic compounds found in fresh and salt water, the effects of location on forming...

Don't table the discussion on equivalent ratios — do it now! Scholars create tables of equivalent ratios to represent contextual problems. Pupils go on to use the tables to answer questions within the context. The lesson is ninth in a...

What does the sun mean to you? Learners have many different interests that may have connections to the sun. Whether its solar radiation, solar flares, or solar storms, there are connections to daily interests that may surprise your...

How are animals in separate but nearby habitats related? Ecology scholars compare the animal inhabitants of the Gorongosa National Park in part seven of an eight-part series. Learners study photos from two different habitats, then...

Research indicates that marijuana can negatively affect coordination and judgment, making it dangerous to drive while under the influence. But does it increase the risk of car crashes? An informative fact sheet describes the ways...

Help your classes feel like they can walk on water! An engaging inquiry-based lesson has young scholars experiment with different surface coatings. They make observations about their properties and how they relate to the surface tension...

Just like you choose your clothes to ensure they fit the occasion, you should choose your words deliberately while writing. Style, the main topic of one handout in a series on writing skills, involves choosing words carefully and paying...

As many writers know, you are your own worst editor. The 10th installment in the Writing the Paper series explains that getting feedback from others is crucial to the writing process. The handout highlights the best time to ask others to...

It's not easy to ask for help. Learn why a boy on a ship struggles with accepting help in "The Glass of Milk," a short story by Manuel Rojas. Six discussion questions prompt class members to make inferences from the text about character...

A five-question interactive focuses on integers and absolute value. A number line shows the distance to aide mathematicians in answering multiple-choice, true or false, and discussion questions.