Science Struck
Science Struck: Uses of Quicklime
Learn what quicklime is, how it can burn one's skin, how it is made, its chemical properties, and how it is used in industry and for other things.
BBC
Bbc: Gcse Bitesize: Exothermic and Endothermic Reactions Aqa
This lesson focuses on Exothermic and Endothermic Reactions. Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. It provides links to a video and a test.
Science Struck
Science Struck: The Various Types of Chemical Reactions
A detailed description of the different types of chemical reactions in organic and inorganic chemistry.
Better Lesson
Better Lesson: Finding the Area of a Trapezoid
Sixth graders find the area of a trapezoid by decomposing it into triangles and using the formula
E-learning for Kids
E Learning for Kids: Science: Carnival Parade: Rio De Janeiro: What Happens When Living Things Die?
Join Rick on this carnival parade, and find out more about what happens when animals and plants die.
Sheppard Software
Sheppard Software: Parts of the Food Chain: Producers, Consumers, Decomposers
Learn how scientists classify different types of organisms in an ecosystem or in a food chain by their role and function as either a producer, a consumer, or a decomposer. Then play a game that tests your understanding of these important...
Crescent Public Schools
The Internet Science Room: Types of Chemical Reactions
Students learn about the five different types of chemical reactions, as well as the three classifications of reactions.
Other
Chemistryland: Types of Chemical Reactions Quiz
Seven problem online chemistry quiz that tests understanding of the five categories of chemical reactions.
Other
Composting Practices (Pdf) [Pdf]
This publication explains the agricultural and environmental benefits of composting household waste. It explains the difference between hot and cool composting systems. It also documents research indicating turfgrass benefits from humus...
American Chemical Society
Middle School Chemistry: A Catalyst and the Rate of Reaction
Watch and learn about two hydrogen peroxide reactions in which potassium permanganate is the catalyst.
PBS
Pbs Kids: Plum Landing: Break It Down
This PBS Kids activity is an extension of a Plum Landing episode featuring decomposers in the jungle. Students will combine different decomposers with fallen jungle materials to help form rich soil.
Read Works
Read Works: Get in the Loop!
[Free Registration/Login Required] An informational text about the steps of recycling and tips for reusing and recycling. A question sheet is available to help students build skills in reading comprehension.
Sophia Learning
Sophia: Chemical Reaction Types: Summary
Created to teach students of the 21st century, SOPHIA is bringing the basic types of chemical reactions straight to your fingertips. Become the commander of your own learning experiences as you take part in this interactive lesson...
Soft Schools
Soft Schools: Quizzes: Endothermic and Exothermic Chemical Reactions
Assess your ability to distinguish between exothermic and endothermic chemical reactions with this interactive multiple choice quiz. Receive immediate feedback to your answers.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Other
Advanced Composting Systems: Phoenix Composting Toilet
Explains how composting toilets work, their benefits to the environment, useful applications, and information on how to choose a system.
University of Canterbury
Cs Unplugged: Divide and Conquer
Imagine 31 numbers have been organized in ascending order in a list by a computer program. Now the program has to find a number in the list, but it can only look at one number at a time. Is it easier to find the number now, than if they...
Better Lesson
Better Lesson: Finding Arrays in an Irregular Polygon
Third graders decompose an irregular polygon into arrays to find the area.
University of Canterbury
Cs Unplugged: The Great Number Hunt (Sorted)
How would you look for a book in a library if the books were sorted in alphabetical order? Is that easier than if they were out of order?
CK-12 Foundation
Ck 12: Earth Science: Flow of Matter in Ecosystems Study Guide
Use this study guide to review the flow of matter through ecosystems.
CK-12 Foundation
Ck 12: Life Science: 12.17 Consumers and Decomposers
Learn the difference between consumers and decomposers in the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 5.3 Bacteria Nutrition
Learn about different types of bacteria and the ways they get nutrition.
Other
Veg Web: Composting Resource List
This site provides links to pages dealing with composting of food.
Other
Compost Guide: A Complete Guide to Composting
This informative resource is a complete guide to composting. Common composting materials, site selection, seasonal schedule, making compost, and the compost bin are just a few of the topics explored.
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