A comprehensive guide for learning all about stem and leaf plots with definitions, how to construct them, solved examples, and practice questions.

This lesson emphasizes the importance of roots, stems, and leaves to plants. Students will explore Internet sites and do a hands-on experiment to learn facts about these parts of plants.

Review stem-changing verbs such as pedir or dormir. Provides the present tense forms as well as the gerund, subjunctive, past subjunctive and the preterite. Also provides a list of similar verbs. Excellent review and resource.

Sparticl is a new web and mobile service for teens, a collection of the very best the web has to offer in science, technology, engineering, and math or STEM. Sparticl includes answers to science questions, images, videos, games, and...

Students will investigate different ways to wind can move things. They will blow, wave, and fan to move objects across a table.

Living things live in places that have what they need to survive. Since fish don't breathe air, they need to live in an ocean. That one is pretty obvious, but what about different kinds of trees? Can all animals that breathe air live...

Where do shadows come from? Use this activity guide to talk about something we encounter every day, shadows. This activity works best on a sunny day.

Doesn't an engineer drive a train? Yes, but the career of engineering is so much more! Explore this comprehensive list of all types of engineering careers. Learn what each entails, find out how to plan for them, learn how to set up job...

Practice using verbs that change their meaning in the preterite tense: conocer, saber, querer, tener, and poder. Complete translations from English to Spanish by choosing the correct form of a verb in the preterite or imperfect. Answers...

From the PBS NewsHour with Jim Lehrer a July 2007 report on the deterioration of British - Russian relations stemming from the investigation into the poisoning death of Alexander Litvinenko. Also provides links to related news stories.

Lesson plan introduces and explains how to calculate measures of variation concepts such as range and quartile.

Explore Benny's garden, and he will show how plants and trees are built. Join him to to learn about basic plant parts.

Learn about the basic parts of a plant and their jobs.

A concise reference highlighting the specialized parts of plants and the jobs they do.

Students examine the existence of sound by listening to and seeing sound waves while conducting a set of simple activities as a class or in pairs at stations. Students describe sound in terms of its pitch, volume and frequency. They use...

Students will design a game where players try to come up with alternative uses for used products. Students will brainstorm ideas for an effective board game format.

Groups of students make a polymer out of household items. They then experiment with the polymer to determine its various properties.

Learn the structure and function of the central nervous system.

Each part of a plant has a very important function. All plants produce flowers for the same reason: to make seeds so another plant can grow.

A comprehensive resource for information about plant structure to plant reproduction characteristics. Site covers broad topics on how plants function.

Students will learn about how paper is made. Working together, students will make their own paper. This activity introduces students to recycling; what it is, its importance, and how it affects their lives.

Students will create their own water turbine to demonstrate the use of water as a renewable energy source. Included is a detailed lesson plan, a video of the activity, and assessment questions.