American Chemical Society
Changing the Density of a Liquid - Adding Salt
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced...
Centers for Disease Control and Prevention
Poisoned Picnic
A group of teachers attended a picnic; ten became sick and another four died. Young scholars must solve the mystery of what happened. They research the river, waste water treatment plant, each food that was served, and environmental...
American Chemical Society
Chemical Reactions and Engineering Design
Construction leads to habitat loss and local wildlife suffers. Scholars must build a reptile egg incubation device that meets many constraints. Various experiments help them discover the chemical reaction needed to reach the proper...
Howard Hughes Medical Institute
Population Dynamics
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
Curated OER
People, Places and Events
Students cooperate within a small group, review materials covered in previous lessons, use higher level thinking skills and gain positive feedback through competition.
Curated OER
The Secret Garden - Proper Nouns II
Useful for a warm-up or quick homework activity, this resource has learners underline and correct the proper nouns in each of 14 sentences. The sentences are plot points from Frances Hodgson Burnett's novel The Secret Garden. Class...
Curated OER
Energy Awareness Activity Book
If you are looking for worksheets about alternative energy sources to use on Earth Day, you'll find several here. However, since Earth Day is all about conserving natural resources, please print these double-sided in order to reduce the...
Curated OER
The Lion and the Mouse
Students write a story. In this critical thinking and writing lesson, students read a fable, answer the provided thinking skills questions, and write their own fable.
Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint instructional activity, students read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
Novelinks
Things Fall Apart: Bloom’s Taxonomy
Promote critical thinking and literary analysis with a short activity. Readers of Chinua Achebe's Things Fall Apart respond to a series of questions modeled on Bloom's Taxonomy.
Novelinks
The True Confessions of Charlotte Doyle: Cognitive Enhancement
Put your thinking cap on, it's quiz time! Here, scholars use their knowledge of the book, The True Confessions of Charlotte Doyle by Avi to create six questions to be used in their upcoming quiz.
Curated OER
What Do You Think? Analyzing Points of View About an Issue
"How might multiple perspectives of standardized testing impact me as a student?" is an example of an essential question that a researcher might use as a basis for this lesson on how to research and present a written stance on a...
Curated OER
Where the Red Fern Grows Chapter 10-11 Worksheet
Focus on characterization in Wilson Rawls' well-known novel. First, learners answer a series of questions about the chosen chapters, paying attention to plot, use of language, and character interactions. Then, using the provided Venn...
Curated OER
Homer's The Odyssey
Whether or not you are new to using The Odyssey with your classes, this publisher-produced teaching guide deserves a place in your curriculum library. The packet includes background information, chapter by-chapter summaries, study...
Sundance
Teaching Strategies: The Giver
Can utopia be achieved? Included here are three literature worksheets to pair with Lois Lowry's The Giver. Pupils work in groups to come up with solutions to society's issues, individuals back up a statement related to a topic in the...
Concord Consortium
Circumscribed Polygon
Trigonometry teachers often go off on a tangent, and here's a worksheet that proves it! First, young mathematicians use a formula with tangent to prove a formula correct for area. Then, they draw conclusions about the area of a circle...
Education Development Center
Word Problem with Rational Numbers—Balancing Bars of Soap
Here's a resource teachers won't want to wash their hands of. Given a task where a full bar of soap is on one side of a balance and 3/4 of a bar of soup and a 3/4-ounce weight is on the other side, young mathematicians must determine the...
McGraw Hill
Stellar Spectroscopy Interactive
Stars seem to be a far away mystery... but it turns out we know much more about stars than one would think! An engaging lesson shows learners how to read a light spectrum to determine the temperature and chemical makeup of a star. They...
Curated OER
Creating Groups and Sorting
Students practice classifying. In this classifying and oral language lesson, students listen to the story My Big Truck Book by Roger Priddy and identify similarities between the trucks described. Students sort the children in their class...
Curated OER
ESL Advanced/Proficiency- Vocabulary Multiple Choice, Worksheet 11
In this advanced proficiency level ESL vocabulary worksheet, students choose the correct words to complete 10 sentences. They make choices from 4 words that require them to use higher levels of English skills.
Curated OER
The Learning Network: More Like Disney
A great source of high-interest reading for the language arts classroom! Meant to be used with an article also available on the New York Times website, this worksheet provides 10 comprehension questions about the reading as well as one...
Curated OER
Algebra: What's My Rule?
Students apply higher level thinking skills to determine rules for sorting and classification. In this pre-algebra instructional activity, students nominate classmates who they think satisfy the unspoken "rule" established by the leader....
101 Questions
Blocks
Block play can teach children about gravity, physics, and spatial relationships. A hands-on lesson incorporates these concepts with an activity in which learners examine the relationship between levels in a pile. Scholars begin to...
Science Matters
Earth Shaking Events
The world's largest measured earthquake happened in 1960 in Chile, reaching a terrifying 9.5 magnitude on the Richter Scale. The second lesson in the 20-part series introduces earthquakes and fault lines. Scholars map where previous...