Curated OER
The "Laws" and Principles of Chemical Reactions
In this chemical reactions worksheet, students review the law of conservation of mass, the principle of definite proportions, and balancing equations. This worksheet has 3 problems to solve.
Curated OER
Beams Word Search
In this word search worksheet, students search for 32 hidden words found vertically, horizontally, backwards or diagonally. Words are words encountered during visits to "The Jefferson Labs."
Curated OER
Notorious Confusables
In this similar words worksheet, students complete a 10 question multiple choice on-line interactive quiz about words that are easily confused. Students choose the best word to complete each sentence from 2 similar words. Example:...
Curated OER
Seeds and Trees Lesson Plan
Students investigate various tree leaves and use a dichotomous key to classify the leaves. In this leaf classification lesson, students study various types of leaves and their Genus. Students record observations for each Genus.
Curated OER
The Lesson: Space Exploration
Learners explore space. In this current events lesson, students visit selected websites to learn about NASA, Mars, the Seti Institute, and space exploration terminology. Learners make space glossaries and their own telescopes.
Curated OER
Matter
Students complete a unit of activities to learn about states of matter and how to measure matter. In this matter activity, students complete 8 lessons to learn about matter, its states, and how to measure matter.
Curated OER
Extraction of Allicin: The Active Ingredient in Garlic
Learners conduct research to determine the structural formula for Allicin, a component of garlic. They participate in a lab to extract Allicin from garlic and complete a set of questions about their work.
Curated OER
Reading Comprehension: The Insect World
In this comprehension worksheet, students read a non-fiction passage titled, "The Insect World" and complete 5 short answer questions.
Curated OER
Matching Pairs
Students examine the probability of the various findings in a game and determine the odds of winning. They differentiate between the facts of odds versus probability. Students use higher order thinking skills to explain how a problem is...
Curated OER
Acids, Alkalis, and Salts
In this acids worksheet, students review the definition of acids, bases, and salts. Students describe the differences between acids and alkalis and define neutralization. This worksheet has 2 short answer and 1 problem to solve.
Curated OER
Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
Curated OER
Chemical Reactions
Students work in groups to define chemistry vocabulary including the terms reactants, products, exothermic and endothermic. They then combine the group definitions to arrive at a consensus definition for the class. Students also listen...
Curated OER
Jupiter's Moons
Learners predict which of Jupiter's moons will be the "brightest" in infrared wavelengths. Using provided information, they rank the moos from brightes to faintest in infrared.
Curated OER
Natural Gas Lesson-How Natural Gas Forms
Young scholars examine background natural gas and how it is formed and what it is made of. Titles within the series include How Natural Gas Forms, What Happens to Natural Gas when it is burned, and How Natural Gas can be used. Provides...
Curated OER
ESOL COnsumer Education
Students discuss the importance of saving money by shopping sales and reading advertisements. They share personal practices with comparison
shopping to save money then complet "Shopping" activity.
Curated OER
Periodic History
Learners gain a perspective in the development of chemistry. They understand some of the topics in their text and the ongoing nature of research. They then will be able to see the trends of the periodic table first hand through their own...
Curated OER
A TOUGH NUT TO CRACK
Based on a set of criteria, students will evaluate the quality of pecans.1. Bring a gram scale and papershell pecans. Provide five pecans for each student. 2. Divide the class into groups of five and provide each member with five pecans....
Curated OER
Growth and Decay
In this math worksheet, students compute the annual rate of appreciation or depreciation in a set of 7 problems. Each problem involves a given amount of money (or value) and indicates the percent of appreciation or depreciation.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Compound Inequalities
Nineteen problems present a variety of practice solving and graphing compound inequalities. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
CK-12 Foundation
Ck 12: Algebra: Compound Inequalities Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand compound inequalities. Examples are included.
CK-12 Foundation
Ck 12: Algebra: Compound Inequalities
[Free Registration/Login may be required to access all resource tools.] Learn how to solve compound inequalities.
Math Planet
Math Planet: Solving Compound Inequalities
Provides an explanation, examples, and a video lesson all related to compound inequalities.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Compound Inequalities
"Dr. Math" provides a visual (graphical) approach to solving compound inequalities as opposed to an approach dependent upon algebraic manipulation.
CK-12 Foundation
Ck 12: Algebra: Solutions to Compound Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve compound inequalities and graph the solution set on a number line.