Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.

Do predators look for different things in different seasons? The quick interactive shows how some species survive longer in one season than another based on the conditions. The challenge questions encourage pupils to demonstrate that...

Test the class's knowledge of the key components of climate change. A 10-question online quiz asks learners about weather, climate, greenhouse gases, and several other concepts related to climate change. Interactive and easy for...

Use this during the season of teaching about the seasons! As Earth revolves around the sun, its tilt causes the weather to change. The graphics in this presentation show how Earth's position in space has an effect on the angle of...

Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...

An interactive resource covers all of the United States' most prominent and influential historic wars including the Vietnam War, the Cold War, the War of 1812, and the Korean War. Learners observe cause and effect as well as how violence...

In this online/interactive crossword worksheet, students read clues and solve the puzzle using words about the autumn season. Students type 21 word answers and check them by observing the color of their answers-yellow indicates a correct...

For this energy worksheet, students click on the links in the questions about energy to find the answers to the questions and then come back and answer the questions. Students answer 12 questions total.

In this online interactive reading comprehension learning exercise, students respond to 20 short answer and essay questions based on Sister Carrie. Students may also access an online quiz on the selection using the link at the...

In this biomes worksheet, students use an on line source to complete a table of the Earth's biomes. Students include the types of plants in each biome, the types of animals, the climate and any details about the biomes. Students answer...

In this sentence completion worksheet, learners read the incomplete sentences and the multiple choices of homonyms, fill in the blanks with the 20 correct words, and click the Answer box to check.

In this weather worksheet students complete an interactive activity on El Ninos then answer a series of short answer questions on how they occur. 

In this Wayne Rooney worksheet, learners read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write, and...

In this graphs worksheet, students answer multiple choice questions about line graphs and bar graphs. Students answer 10 questions total.

In this online interactive standardized test practice learning exercise, students answer 48 multiple choice questions regarding reading comprehension and language arts skills. Students may submit their answers to be scored.

In this identification of sentence errors worksheet, students choose the answer that corrects the grammatical errors in each sentence.  Students have 10 minutes to answer 15 questions in this SAT practice worksheet.

In this forms of must worksheet, students fill in the blanks to sentences with phrases containing the word must. Students complete 20 multiple choice questions.

In this phytoplankton worksheet, students read and study online information on plankton blooms to answer 8 short answer questions about the topic.

In this ESL conditionals worksheet, students write sentences using clauses from difference columns, and rewrite sentences using the word "unless." A link to audio and resources is given.

In this graphing pre test worksheet, students complete a set of 10 multiple choice questions. Page is labeled as a pretest, an answer link is provided.

In this collective nouns and pronouns worksheet, students discover how to form the plurals of nouns that are countable and uncountable.

This interactive activity from the Adler Planetarium explains the "reasons for the seasons." Featured is a game in which Earth must be properly placed in its orbit in order to send Max, the host, to different parts of the world during...

Children can look around to practice making observations and to notice details they might otherwise not notice. There are scenes for each season - spring, summer, fall, and winter. Explore a park to learn how animals and plants change...