Curated OER
Worksheet 1.5: MT-141 Precalculus
In this precalculus worksheet, students use their graphing calculator to graph functions. They explore and explain the graph of each function. Students manipulate the calculator to find answers to six decimal places.
Curated OER
PreCalculus Worksheet 8.4
In this precalculus worksheet, students write numbers in their trigonometric form and compute the numbers to a given power. Students explore the parametric function and trace the roots of unity. After completing eight short answer...
Curated OER
Thinning and Transplanting
Middle schoolers identify and observe one plant per section in their quad and to transplant the surplus seedlings to empty quads and interpret why this is important. They then discuss the purpose of thinning and transplanting. Finally,...
Curated OER
Quadratic Equations
Tenth graders review algebraic methods of solving quadratic equations. Students discuss several methods of solving quadratic equations. They practice factoring and finding the roots of an equation for solving. A calculator is used to...
Science Buddies
Science Buddies: Hydrogen Peroxide on Plant Root Cuttings & Seed Germination
Hydrogen peroxide (often used as a disinfectant) has also been approved for use in pesticides. This science fair project investigates whether hydrogen peroxide has any effects on seed germination or on roots of plant cuttings.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Ohio State University
Osu General Plant Biology: Herbaceous Roots and Stems
A concise, advanced level, review of structure and growth in these plant organs. Illustrations are clear and well labeled. This is an excellent tool for labs or exams.
Ohio State University
General Plant Biology: Seedless Vascular Plants
Use this very concise summary except to become familiar with these examples of less complex plants. Some of the terminology is at a more advanced level.
Other
Cartage.org: Mature Root Cross Section
This thorough lesson provides a wealth of root related information ranging from the anatomy of a root to the different types of roots that exist. Many photos and drawings provide clarity to the text.
Capital Community College Foundation
Guide to Grammar and Writing: Building a Better Vocabulary
This is an index of vocabulary-building information and quizzes, including a list of roots, prefixes, and suffixes with their meanings. It offers 365 SAT and GRE level vocabulary words, definitions, and sample sentences. The quizzes...
CK-12 Foundation
Ck 12: Episd: Roots
[Free Registration/Login may be required to access all resource tools.] Discover the structure and functions of plant roots.
Other
Rose Hills Foundation Conservatory for Biological Science
All about plants has information on plant parts--seeds, flowers, fruits, roots, and spores--and plant processes--seed dispersal, germination, pollination, and photosynthesis. You can also take a tour of this Los Angeles-based...
Sophia Learning
Sophia: Vocabulary Tip: Build Associations
This screencast discusses how building associations between words increases vocabulary. It provides several examples on building successful associations using roots, parts of speech, prefixes and suffixes, and synonyms. Real Player is...
That Quiz
That Quiz: Practice Test: Root and Exponents
Test your skills at exponents, root and logarithms. Includes advanced challenges. There are nine levels and the test may be taken with or without a timer.
Stanford University
Standford University: Complex Roots
This resource contains relevant information regarding to complex roots that includes formulas and graphs.
Math Medics
S.o.s. Math: Quadratic Equations
Defines root of a quadratic equation. Portrays graphically what quadratic roots look like. Tutorial includes two basic examples where roots are discovered, and links to pertinent topics elsewhere on the site and a math forum organized by...
Online Writing Lab at Purdue University
Purdue University Owl: Exercise : Tense Consistency Exercise 3
This Purdue University OWL (Online Writing Lab) provides practice with using consistent verb tense.
Utah Education Network
Uen: Weathering and Erosion Splashdown
Understand how plants and their roots help slow the erosion process.
Math Drills
Math Drills: Number Sense Worksheets
Download these free worksheets to sharpen your number sense skills. Sheets focus on roman numerals, scientific notation, counting, expanded form, exponents, factoring, roots, and rounding.
Biology Pages
Kimball's Biology Pages: Transportation in Plants
A very good explanation of the processes of water transport in plants. Includes graphics that accompany this very detailed explanation.
E-learning for Kids
E Learning for Kids: Science: Iceland: Plants: What Parts Do Plants Have?
Explore Benny's garden, and he will show how plants and trees are built. Join him to to learn about basic plant parts.
E-learning for Kids
E Learning for Kids: Science: Norway: What Are the Functions of Different Parts of a Plant?
Heidi is going on a class trip with her class in Norway. Help her learn the functions of different parts of the plants found.
Northern Illinois University
Northern Illinois University: Roots Unique Factorization
This site from the Northern Illinois University contains relevant information about complex nth roots of unity. Includes important formulas.
Wolfram Research
Wolfram Math World: Quadratic Equation
This MathWorld site shows how to derive the quadratic formula.