The Take Action column in the free, online magazine Beyond Weather and the Water Cycle suggests actions young people (K-grade 5) can take to reduce the impacts of climate change. The magazine examines the recognized essential principles of climate literacy and the climate sciences as well as the guiding principle for informed climate decisions.

This article provides lesson plans about natural resources and energy sources for elementary teachers.

This four-page article describes four basic approaches children use in understanding fractions as equal parts of a whole. Topics covered include working with equal shares, partitioning regions and units, understanding of fraction equivalence, and ideas for teaching fractions more effectively. References are given.

This interactive activity produced for Teachers' Domain shows the relationship between tectonic boundaries and the locations of earthquake events and volcanoes around the world.

Watch the ZOOM cast discover which insulator -- newspaper or aluminum foil -- is better at keeping an ice cube frozen longer.

In this video segment adapted from ZOOM, cast members show you how to make your very own electroscope. You can use it to find out if an object is electrically charged.

This interactive activity from the NOVA Web site challenges you to think like Einstein and understand how time travel might be possible.

This video from NASA explains the process by which gamma-ray flashes associated with storms produce matter/antimatter particle pairs.

This illustrated essay from the NOVA Web site answers questions about irregularities in the tides.

In this activity learners explore the connections of digital time displays with numeric and geometric properties. Students look for times that have bilateral or rotational symmetry, or have a certain digital sum, etc. Ideas for implementation, extension and support are included.

This web page provides instructions for a game that develops number sense, basic addition and subtraction skills, and strategic thinking. Beginning with 10 Cuisenaire rods, one of each length from 1 (white) and 10 (orange), two players take turns adding one rod at a time to a train until it reaches a previously agreed-on length between 11 and 55. The player who puts down the last rod to complete the goal length is the winner. The game can be played with real rods, with the Flash applet provided, or with numbers on paper.

In this video segment adapted from NASA, learn how engineers are transforming the future of flight by designing airplanes based on principles found in nature. In the early 1900s, the Wright Brothers found inspiration for their first airplane in nature. Their "Flyer," which was modeled on a bird's flexible wing design, was steered and stabilized by pulleys and cables that twisted the wingtips. Despite its success, this control strategy quickly vanished from aviation. Instead, stiff wings capable of withstanding the greater forces associated with increased aircraft weights and flying speeds became the standard. In this video segment adapted from NASA, learn how designs found in nature have inspired today's aerospace engineers as they conceive the next-generation of flying machines. Grades 3-12.

Watch the ZOOM cast build a chair out of newspaper by making good use of the strength of triangles.

In this video segment adapted from ZOOM, the cast tries to design and build a bridge made out of drinking straws that will support the weight of 200 pennies.

This interactive activity, from the Building Big Web site, explores tunneling and the tools and methods used to do the job.

This lesson plan, designed for high school chemistry students, is an overview of differnt types of chemical bonds.  The main emphasis will be on ionic, covalent and metallic bonds. The time frame for this lesson is 65 minutes in a face-to-face classroom setting.  At the end of the lesson students will be able to distinguish between ionic, covalent and metallic bonds.

This video segment presents a variety of sounds -- from animals to machines to musical instruments -- while introducing the basic concepts of vibration, volume, and pitch.

Four unit plans provide opportunities for in-depth explorations of important foundational climate concepts -- weather, water as a solid, liquid and gas, and the water cycle -- that are appropriate for K-2 and 3-5 learners. These unit plans incorporate many of the lessons highlighted in other articles in this issue of the online magazine Beyond Weather and the Water Cycle. The magazine is structured around the essential principles of the climate sciences.

In this article, teachers find two unit plans (grades K-2 and 3-5) that use resources featured in the science and literacy articles in the magazine. The unit plans are modeled after the five key steps in the learning cycle: engage, explore, explain, expand, and assess, or evaluate. The plans are aligned with the science content standards of the National Science Education Standards and the English language arts standards of the National Council of Teachers of English and the International Reading Association. The plans appear in the free, online magazine Beyond Weather and the Water Cycle.

How can you pick up an ice cube with a string? Watch this video segment adapted from ZOOM to see how salt can help.