Expose your class to the steps of the nitrogen cycle with this short clip. Colorful computer imagery and animation explain how nitrogen travels from the atmosphere as a gas into plants and soil, where bacteria convert it into nitrates....

Take a ride on the carbon cycle by watching this animated featurette. Those who do will learn about the element carbon, how it cycles through the atmosphere and biosphere, and how it contributes to Earth's temperature. This video comes...

Will tomorrow's soccer game be rained out? That depends on the water cycle. An animated feature explains precipitation, evaporation, transpiration, and condensation with diagrams and dialogue between Sam and RJ as they huddle under a...

Geology scholars test their rock identification skills in an interactive that examines the rock cycle from the three main nodes of rocks. Other topics include visual clues to rock identity and the conditions needed to make rocks change...

Rock out with a song, video, and quiz about the rock cycle. Learn how it is similar to recycling, the different kinds of rocks, and how they form. There is a karaoke feature that allows learners to sing along, helping to cement the...

Photographs of magnificent metamorphic rock formations make up the bulk of this brief slide show. Along with the upbeat background music, slow-moving slides, and informational captions of the slide show, you will also find key...

Fascinating photos of sedimentary rocks and formations supply a brief overview for your geology class. By viewing these slides, learners discover that sedimentary rocks are made of tiny bits of rock, dirt, or shell that have settled,...

Dynamic music pumps up viewers as they learn about intrusive and extrusive igneous rocks. Presentation slides include a graphic depiction of magma below Earth's surface , photographs of lava exploding and flowing, and close-ups of...

Only five slides, but worth the while for introducing upper-elementary zoologists to different animal life cycles. Two types of metamorphoses are explained: complete and incomplete. Stunning photography flows before the eyes of the...

Introducing your class to weather concepts is a breeze with this fresh film! It differentiates between weather and climate, describes the factors that affect weather (temperature, air pressure and humidity), and displays Earth's climate...

In this water cycle quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

For this water cycle quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

Pretty pictures of water droplets, clouds, and snow-covered mountains are the backdrop for information about clouds and precipitation. With 10 slides in all, viewers see how and where clouds form as well as what forms of water can fall...

Time to find out what they've learned! The final lesson of a five-part series has learners complete a 39-question multiple choice review. They use what they've learned in the previous lessons to complete questions that include concepts...

In this sentence completion practice test, students choose the word that best completes each sentence.  Students have 10 minutes to answer 12 questions in this SAT practice worksheet.

Take your kids on a trip through the universe as they explore galaxies, solar systems, stars, and more. Watch the short video, then have learners show their knowledge with the included quiz. Supplement the video by having teams build a...

Two very hip teenagers walk through the forest collecting evergreen cones. One teaches the other about gymnosperms: cycads, ginkoes, gnetophytes, and conifers. He tries to convince his friend how amazing cones are, while she defends...

Quiz your learners on the reproductive process using this terminology assessment tool! Choose 1 of 2 options: have students play online, or make copies of the paper version. The advantage to playing the online matching game is its...

Fertilizer can mean the difference between a profit and a loss. Scholars use an online interactive to explore the effects of fertilizing in agriculture. Given information about the nitrogen levels in the soil, they decide the fertilizer...

In this simple past tense worksheet, students write the past forms of irregular verbs given, complete tables and sentences in simple past and fill in blanks with either 'was' or 'were.' 

Responsible farming is important for maintaining natural resources. Eager scientists complete a WebQuest to explore what happens to nitrogen when it enters the soil. They learn about the chemical makeup of nitrogen-based molecules...

In this easily confused words:  insight and incite worksheet, students read definitions and examples of both words, then interactively answer 4 questions as a test with immediate online feedback.

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

In this quantifiers learning exercise, 5th graders read explanations and examples of correct usage, then complete 34 sentences, with immediate online feedback.