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Investigating the Uses of Backyard Bacteria
Students discover that the answers to some of society's waste and clean-up problems may be no further than the soil beneath their feet. They perform a Gram stain on the colonies to determine some of their characteristics.
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Building an Ecologically Balanced Living Space
Students design and build an ecologically balanced living space based on the principles of an old growth forest. They take one part of a house (or structure in the community) and redesign it according to the principles of the forest cycle.
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Our Schoolsyard is Full of Biology
Students study the habitats found in their schoolyard. They apply firsthand, what they have learned in the classroom to something familiar to them. Students look at biotic, abiotic habitats. Small groups will present their findings to...
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Origin of Coal
Students explore how coal is formed. They then discuss the information and answer any questions that they may have on the formation of coal. Students then answer questions in reference to the coal discussion and reading.
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What's the Matter with My Orange?
Students use oranges to informally explore decomposition, dehydration, fermentation, the water cycle, bacteria, yeast, food webs, the needs of living things, and physical vs. chemical change over a period of three or more months.
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De"compost"ition Activity
Students investigate the decomposition process and the parameters which influence the rate at which it occurs. They design a "controlled" experiment by comparing decomposition rates between two compost piles. Analysis questions include...
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Think Green
Pupils experience and practice compositing and recycling through hands-on-activities. They distinguish between which items from their trash can be recycled, composted and reused. The process for making recycled paper is also covered in...
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The Compost Bucket
Students recognize that plants and soils have a close relationship. They view a photo essay on the common practice and natural process of composting. Afterwards, they observe the process of plant decay over the course of several days.
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D List
In this literacy worksheet, students find the words that are related to the letter "d" and the answers are found by clicking the link at the bottom of page.
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Subtraction Numbers to 9
In this math activity, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
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Fractions: Adding Same Denominator
In this math worksheet, students look for the answers to the addition with fractions of the same denominator. There is a button at the top of the page for the answers.
Helping with Math
Fractions: Adding Mixed Numbers (Same Denominator)
Add 30 sets of mixed fractions that have common denominators. Elementary math minds get plenty of practice with this printable page. You will find the answers provided with the click of a box in the upper left corner of the web page.
Helping with Math
Fractions: Subtracting Mixed Numbers (Same Denominator)
This straightforward worksheet simply provides practice subtracting mixed numbers. There are 18 problems to solve, all of which deal with common denominators. Not exciting, but serves its purpose.
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Helping the Soil
In this soil conservation learning exercise, students study and analyze two excellent ways to enhance soil conservation: compost heap and leaf-mould. Students review all the ingredients in making both.
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Stoichiometry
In this stoichiometry activity, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
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Stoichiometry Homework: 3
In this stoichiometry worksheet, students balance chemical equations. Students apply the concepts of stoichiometry to solve for each problem provided.
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Using the Land
In this land worksheet, students review the different ways that land is used such as landfills, topsoil, farmland, and hazardous waste. This worksheet has 13 true or false questions and 1 short answer question.
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Addition: Getting To Ten Then Adding The Rest
In this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
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Food webs and Energy Flows
Students become familiar with food chains. In this food chains lesson, students understand that as consumers eat other consumers energy is passed. Students understand the vocabulary associated with food chains.
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How Many Ways?
Second graders develop number sense. In this number sense lesson, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.
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Anchoring Numbers to Five and Ten
Students complete activities to relate numbers to each other. For this number connection lesson, students count number sets, count forward and backward, and complete other number recognition activities to learn how numbers are related.
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Precious Water: Is it a Need, a Right, or a Commodity?
Students determine whether water is a need, a right, or a commodity. In this water lesson, students investigate land and water ecosystems through activities. Students also discover water as a resource and energy source as they observe...
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The Dead Zone: A Marine Horror Story
Students graph dissolved oxygen versus depth using data taken from NECOP Program. In this marine science activity, students explain the causes of hypoxia. They recommend possible solutions to this problem.
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Breaking News English: Kenya Disposes of Disposable Bags
For this English worksheet, students read "Kenya Disposes of Disposable Bags," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.