Fiction and non-fiction titles compiled by our developers
Annotated lists of child-friendly and teacher-friendly websites to deepen content knowledge or conduct further research.
Documents for Science Companion users to print for their classrooms.
Suggestions for organizing and managing materials.
ExploraGear kits contain equipment and consumables for student explorations. Scroll down to view the entire ExploraGear list.
Each module also lists easy-to-find Classroom Supplies used in the lessons. Scroll down or click the link on the right to see the Classroom Supplies list for this module.
| QUANTITY | ITEM | LESSONS |
|---|---|---|
| 1 | Storage bin | All |
| 20 | Magnifying lenses | All |
| 50 | Lunch bags, paper | 1, 5, 7, 8, 13 |
| 1 set | Earthworms (use earthworm voucher) | 4, 5, 6 |
| 1 | Plastic container for worm bin | 4, 5, 6 |
| 1 | Extra lid, to use for a drip tray | 4, 5 |
| 50 | Petri dishes | 4, 7, 8 |
| 3 | Spray Bottles | 4, 5, 6, 7, 8 |
| 1 box | Vinyl gloves | 5, 6 |
| 1 bag | Perlite | 5, 6 |
| 50 | Plastic cups | 5, 6 |
| 8 cups | Potting soil with worm castings | 6 |
| 1 package | Seeds | 6 |
| 1 bag | Mushroom mycelium plugs (use fungi voucher) | 7 |
| 1 package | Wooden plugs | 7 |
| 1 box | Resealable plastic bags, sandwich size | 8 |
| QUANTITY | ITEM | LESSONS |
|---|---|---|
| 1 per student | Binder or folder (optional) | 1, 2, 4, 5, 8 |
| 8-10 sheets | Chart paper (optional) | 1, 11, 13, 14, SBA 2 |
| At least 4 per group | Natural waste samples | 1, 6 |
| Several sections | Newspaper | 1, 4, 5, 7, 12 |
| 1 pad | Self-sticking notes | 1, 7, SBA 3 |
| 1 | Overhead projector | 1, 2, 3, 4, 7, 8, 9, 10, 11, 13, 15, SBA 3, SBA 4 |
| 8-10 | Overhead transparency sheets, blank | 1, 8, 15 |
| 1 samples | Decomposing plant matter | 2 |
| 2 per group | Glue sticks | 2, 15 |
| 2-4 pairs per group | Scissors | 2, 4, 5, 8, 15 |
| 2 | Grocery bags, large, paper | 4 |
| 500 ml (2 C) | Coffee grounds, used | 4, 7 |
| 2 | Eggshells, crushed | 4 |
| 1 per group | Flashlights | 4 |
| 500 ml (2 C) | Food scraps | 4 |
| 1-4 per group | Rulers, metric | 4, 5, 6, 10, 11, 12, 13, SBA 4 |
| 250 ml (1 C) | Soil | 4 |
| Several rolls | Tape, clear adhesive | 4, 7, 8, 10, 15 |
| 1-15 | Trowels or spoons (optional) | 4, 5, 6, 7, 10 |
| Several liters | Water, non-chlorinated | 4, 5, 6, 7, 8 |
| 2 per group | Containers | 5, 6 |
| 8 pieces per group | Cucumbers | 5 |
| At least one roll | Masking tape | 5, 6, 10, SBA 3 |
| 1 sheet per child | Paper, white (optional) | 5, 12, 13, SBA 2 |
| 1 per child | Paper plates, small | 5, 6, 7, 9 |
| 1 roll | Paper towels | 5, 10, 13 |
| 1 per group | Plastic table knives or scissors | 5, 8, 9 |
| 1 roll | Plastic wrap | 5, 7 |
| 2 per group | Rubber bands | 5 |
| 1 per student | Index cards, blank white (optional) | 6, 7 |
| Several samples | Inorganic planting material | 6 |
| Several samples | Organic planting material | 6 |
| 1 per student | Pencils | 6, 10, SBA 2 |
| 1 or more | Permanent markers | 6, 8 |
| Several sets | Colored pencils or pens | 7, 11, 15, SBA 2, SBA 3 |
| 40 | Plastic bowls, small | 7, 9 |
| 1 per group | Toothpicks | 7 |
| At least 30 slices | Sliced bread without preservatives | 8 |
| Ice packs (optional) | 8 | |
| 3-20 | Molding food items, sealed inside clear plastic | 8 |
| 20-25 sheets | Construction paper, black, 8.5” x 11” | 9, 10 |
| 1 can or roll | Hair spray or clear self-adhesive plastic (optional) | 9 |
| At least 1 per group | Store-bought mushrooms (optional) | 9 |
| 1 per funnel | Jars, plastic (optional) | 10 |
| 1 per funnel | Light sources (optional) | 10 |
| 1 per funnel | Mesh, 5 cm (1/4 in) squares (optional) | 10 |
| 1 per group | Plastic bottles, 2-liter size (optional) | 10 |
| 1 per group | Tray or box (optional) | 10, SBA 2 |
| 3 | Overhead pens, various colors | 11 |
| 150 | Connectible blocks such as Unifix cubes or Legos | 14 |
| 1 per student | Ribbon or tags in four colors | 14 |
| 1 per group | Apples (same kind, similar in appearance) | SBA 2 |
| As many as possible | Balls, various types and sizes | SBA 3 |
| 1 per group | Meter sticks | SBA 3 |
The following is a list of recommended books and videos that provide a wide range of reading and research resources for this unit. Collect as many as you can for your classroom science library, or provide the list to your school librarian.
The books listed below offer comprehensive information about the organisms and processes involved in decomposition and nutrient cycling.
By Steven Jay Griffel. (2003, Newbridge Educational Publishing)
This simple book contains appealing photographs of the scavengers and decomposers that live in the woodlands, desert, and ocean.
By Bianca Lavies. (1993, Dutton Books)
This grade-appropriate book describes what happens in a compost pile and how creatures, from bacteria and mites to millipedes and earthworms, aid in the process of turning compost into humus .
By Jen Green. (1999, Crabtree Publishing Company)
This comprehensive book describes the diverse kinds of insects, plants and animals that live on and under a dead tree's bark as well as inside the log itself.
By Natalie M. Rosinsky; illustrated by Sheree Boyd. (2003, Picture Window Books)
Illustrated with simplistic pictures, this book describes what soil is made of and briefly explains that decomposers put “more food back into the humus.”
By Jerry Emory and T. Taylor Bruce. (1996, Harcourt Brace & Company)
This book discusses death, decomposition and life with dramatic large-size illustrations of nature in action.
By Alvin Tresselt; illustrated by Henri Sorensen. (1992, Lothrop, Lee & Shepard Books)
Originally published under the title The Dead Tree, this book captures the role of an oak tree in the cycle of nature, as a living tree, a decomposing organism, and a source of support for new life.
By Raymond Bial. (2000, Walker & Company)
This informative book introduces readers to dirt dwellers, from the tiniest protozoans through myriad invertebrates to the mammals and reptiles whose burrows aerate the earth. All are depicted in large, sharp, full-color photos.
By Alvin Silverstein and Virginia Silverstein. (1998, Children’s Press)
This fascinating book introduces students to industrious ants, tunnel-building earthworms, snails and slugs, beetles, and many other creatures inhabiting and affecting the soil .
By Wendy Pfeffer; illustrated by Robin Brickman. (1997, Simon & Schuster Books for Young Readers)
This beautifully illustrated book details the life, death, and decay of an oak tree. The short story traces how animals use the log for food and shelter, and shows how the log eventually crumbles and becomes soil.
By Joanna Cole; illustrated by Bruce Degen. Based on an episode of the The Magic School Bus animated TV series by John May and Jocelyn Stevenson. (1999, Scholastic Inc.)
In this age-appropriate book, the students in Ms. Frizzle's class tour a decomposing log to find out that nature recycles through the process of decomposition.
By Donald M. Silver; illustrated by Patricia J. Wynne and Dianne Ettl. (1993, McGraw Hill)
Part of the critically acclaimed One Small Square series, this book illustrates and describes the numerous organisms that live in the soil and plants of a backyard. It includes the animals and microorganisms that recycle leaf litter, animal droppings, and dead plants and animals.
By Michael Elsohn Ross; illustrated by Gustav Moore. (2002, The Millbrook Press)
Simply describes the two cycles of matter on Earth: the soil cycle and the water cycle. As in A Log’s Life and The Gift of the Tree, the soil cycle is shown through the life and death of a tree.
By Anthony D. Fredericks and Jennifer Dirubbio. (2001, Dawn Publications)
This book for early elementary readers contains an engaging story and vivid, close-up illustrations about an incredible community of organisms found living under rocks.
By Patricia Lauber; illustrated by Holly Keller. (1995, HarperCollinsPublishers)
Although this book delves into food chains and webs without mentioning decomposers, it is a good reference book for children who want to go to the next step. It also provides a great foundation for recognizing the importance of having ample nutrients in the soil in order for plants to grow.
This list includes books about mushrooms, molds, and other fungi.
By Jennifer Coldrey. (1988, Scholastic Library Publishing)
This age-appropriate reference book describes the characteristics of fungi, places where fungi may be found, the many varieties that exist, and their relationship to animals and human beings.
By Mary Kay Carson. (2003, Newbridge Educational Publishing)
An educational introduction to the kingdom of Fungi, this book features excellent photographs of mushrooms, mold, and mycelium. It includes a two-page spread that addresses the role of fungi as decomposers.
By Katya Arnold and Sam Swope. (1997, Henry Holt and Company)
This oversized title, containing brightly colored artwork and cheerful, anecdotal text, introduces a variety of wild mushrooms as it describes the author’s childhood experiences in Russia gathering and eating them. Mushrooms are defined, specific types are identified, and much information and folklore are added.
By Elaine Pascoe; photographs by Dwight Kuhn. (2003, The Rosen Publishing Group)
This book discusses the characteristics of fungi and describes specific members of this class, including mushrooms, molds, and lichens.
By Silvia A. Johnson; photographs by Masana Izawa. (1982, Lerner Publications Company)
This book for upper elementary readers contains excellent photographs of different types of mushrooms.
By Robert Froman; illustrated by Grambs Miller. (1972, Thomas Y. Crowell Company)
Although this book may be out of print, it is a perfect reference book for the less skilled readers in the class. Illustrations accompany simple explanations of the life cycles of mold and mushrooms.
The list below includes recommendations for books about earthworms.
By Claire Llewellyn and Barrie Watts. (2000, Franklin Watts)
This book for early elementary readers contains large colorful photographs and information about the life cycle and behavior of earthworms.
By John Himmelman. (2000, Children’s Press)
This book for early elementary readers describes, in simple text and exceptional illustrations, the daily activities and life cycle of the earthworm .
By Thomas Rockwell. (1973, Franklin Watts, Inc.)
A humorous book aimed at the sensibilities of a ten-year-old boy. In the story, Billy makes a bet that he will eat 15 worms in 15 days.
By Wendy Pfeffer. (2003, Harper Collins Publisher)
This book for early elementary readers discusses the earthworm's habits, anatomy, locomotion, food, and life cycle, as well as explaining the importance of castings and tunneling in maintaining soil richness, moisture, and aeration. The final pages encourage children to explore earthworms on their own by closely observing a worm and a tunnel entrance and by planting seeds in ordinary soil and in soil enriched with worm castings.
By Loren Nancarrow and Janet Hogan Taylor. (1998, Ten Speed Press)
This comprehensive reference book for teachers is a complete guide to gardening and composting with worms.
By Binet Payne. (1997, Flower Press)
This manual describes how a teacher and her students developed a system to compost lunchroom waste with worms and save their school $6,000 per year.
By Harriet Ziefert; illustrated by Richard Brown. (1987, Little, Brown and Company)
Based on the author’s experiences as a teacher, this book models a class’s investigations of red wrigglers. It would work well as an introduction or supplement to the worm lessons, especially if any students are nervous about actually touching worms.
By Michel Elsohn Ross, Brian Grogan, and Darren Erickson. (1996, Carolrhoda Books)
This book provides information about earthworms’ habitat, ecology, physical characteristics, senses, movement, reproduction, regeneration, feeding, and respiration. It mixes factual passages with inquiry-based activities that could be carried out with the help of teachers, parents, and friends.
By Mary Appelhoff. (1997, Flower Press)
This reference book for teachers provides complete illustrated instructions on setting up and maintaining small-scale worm composting systems. Topics include types of bins, what kind of worms to use, the life cycle of a worm, worm beddings, feeding worms, harvesting worms, and making potting soil from the vermicompost produced.
Below are some general tips and suggestions to assist with the management of materials for the Nature’s Recyclers Unit:
Our writers recommended these independent websites for our field-test teachers.
The Adventures of Herman
http://www.urbanext.uiuc.edu/worms/index.html
This interactive site helps students learn more about earthworms.
EcoKids: Chain Reaction
http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/index.cfm The "Play and Learn" section of this website includes a game about food chains. In addition to reinforcing vocabulary, children are challenged to put a food chain together, and speculate what would happen to if one organism in the food chain was removed.
Microbe Zoo
http://commtechlab.msu.edu/sites/dlc-me/zoo/
This site features the following attractions: DirtLand, Animal Pavilion, Snack Bar, Space Adventure, and Water World. Each provides examples of microbes (bacteria and fungi) that thrive in the particular environment described.
Nature’s Recyclers Coloring Book
http://www.dnr.state.wi.us/org/caer/ce/eek/cool/natrec.htm
Follow this web link to a PDF file for "Nature’s Recyclers Coloring Book," which you can print and distribute in class.
Natureworks: Decomposers
www.nhptv.org/natureworks/nwep11b.htm
Drawn from an episode of Natureworks ( New Hampshire public television), this web page begins: "When plants and animals die, they become food for decomposers like bacteria, fungi, and earthworms." It then describes each of the three types of organisms.
Soils Zoo
www.waite.adelaide.edu.au/school/Soil/zoo.html
This site offers clear photographs of some of the different organisms that live in the soil. It features predators, tunnellers (including earthworms and dung beetles), grazers (including springtails and nematodes), and microbes (including fungi and bacteria).
Welcome to the Mushroom Club
http://herbarium.usu.edu/fungi/FunFacts/Mushroom_Club.htm
This kid-friendly site offers games, recipes, experiment ideas and information about mushrooms and other types of fungi.
Biodiversity in Soil and Leaf Litter
http://www.amonline.net.au/factsheets/biodiversity_litter.htm
This site provides illustrations and information about organism that live in leaf litter.
Decomposition
http://www.offwell.free-online.co.uk/decompos.htm
This site explains the process and importance of decomposition and contains images of a rabbit decomposing over several months.
Forest Floor Terrarium
http://casnov1.cas.muohio.edu/scienceforohio/Terrarium/L.html
This site explains how to set up a forest floor terrarium in the classroom.
Australian Invertebrates that Inhabit Rotting Logs
http://www.latrobe.edu.au/genetics/staff/sunnucks/homepage/research1.html
Forest Preserve District of Cook County: Rotting Logs
http://www.newton.dep.anl.gov/natbltn/400-499/nb441.htm
There’s Life in Dead Trees
http://www.fs.fed.us/r6/nr/wildlife/animalinn/whattodo.htm
These sites provide detailed information about rotting logs.
Oetzi the Iceman
http://www.crystalinks.com/oetzi.html
This site contains information and links to other sites about the world's oldest and best-preserved mummy. Believed to be 5,300 years old, the Iceman was discovered in 1991 in the Italian Alps.
Rotten Luck: The Role of Downed Wood in Ecosystems
http://www.for.gov.bc.ca/hfd/pubs/Docs/Bro/Bro24.htm
Download a short, well illustrated brochure that describes the important roles played by fallen trees.
Waste in the Natural World
http://www.cd.gov.ab.ca/enjoying_alberta/parks/featured/kananaskis/pdf/waste.pdf This site provides exceptional activities and resources detailing how nothing is wasted in nature.
Crayfish in the Classroom
http://www.naturenorth.com/fall/crayfish/crclssrm.html
This web site describes how to catch, keep, feed, and care for keep crayfish in the classroom.
Small Farms: Friend Earthworm
http://journeytoforever.org/farm_library/oliver/oliverToC.html
Teaching with Worms
http://yucky.kids.discovery.com/teachercenter/pg000185.htm
Wiggly Worms
http://homeschooling.gomilpitas.com/explore/worms.htm
Worm Watch
http://www.naturewatch.ca/english/wormwatch/index.html
These sites provides detailed information and activities about earthworms.
Worm Bin Critter Gallery
http://mypeoplepc.com/members/arbra/bbb/id16.html
Worm Bin Pictures
http://mypeoplepc.com/members/arbra/bbb/id16.html
These sites contain excellent pictures and information about organism that can be found in a worm bin.
Worm Bin Reviews
http://www.wormdigest.org/wormbins.html
This site explains the different types of worm bins that can be used for vermicomposting.
Classroom Clipart: Fungi
http://classroomclipart.com/cgi-bin/kids/imageFolio.cgi?direct=Plants/Fungi&img=0
This site contains clipart of various types of mushrooms that can be used as visuals in the classroom
North American Mycological Association
http://www.namyco.org/education/k-12.html
Simply Fungi
http://www.geocities.com/rainforest/andes/8046/
Tom Volk’s Fungi
http://botit.botany.wisc.edu/toms_fungi/
These sites provide an incredible amount of information about fungi.
Microbiology
http://www.microbeworld.org/htm/aboutmicro/abt_start.htm
This web site is produced by the American Society for Microbiology. View the section entitled "Microbes: What They Are and What They Do" for excellent, illustrated descriptions of fungi and bacteria.
Backyard Magic: The Composting Handbook
http://www.gnb.ca/0009/0372/0003/0001-e.html
Composting: A Great Way to Rot
http://www.dep.state.pa.us/dep/deputate/airwaste/wm/recycle/Lessons/COMPOSTROT.htm
The New York City Compost Project
http://www.nyccompost.org/program/index.html
Texas Natural Resource Conservation Commission
http://www.tnrcc.state.tx.us/exec/sbea/tes/lessons99/composting.html
These sites contain extensive information about composting.
The Decomposition Process
http://aggie-horticulture.tamu.edu/extension/compost/chapter1.html
This web site offers a comprehensive overview of composting, including distinctions between aerobic and anaerobic decomposition, requirements for efficient decomposition, and organisms in composting.
Vermicomposting
http://connes.wcpss.net/Worms/articles.html
This site explains how to compost with earthworms.