Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
CPO Science
Physics Skill and Practice Worksheets
Stop wasting energy searching for physics resources, this comprehensive collection of worksheets has you covered. Starting with introductions to the scientific method, dimensional analysis, and graphing data, these skills practice...
Science 4 Inquiry
Trick or Science: Catching the Light
Your class might be surprised to learn that mirrors have been around since the first century AD! Young scientists explore reflection and refraction of light through a series of challenges. They use this knowledge to design their own...
British Council
Weather 2
Young meteorologists answer questions based on the types of weather they experience in the region they live. They also complete a word search to find weather-related terms.
Curated OER
The Sky and the Dichotomous Key
Students use a dichotomous key to distinguish between different types of clouds
Curated OER
Dichotomous Key for Identifying Pine Trees
Middle schoolers identify the species of pine trees that are found in their area. They use unlabeled "mystery" samples and a dichotomous key to identify the pine trees to species. After identification, they use a field guide to answer...
Curated OER
Name that plant!
What is a dichotomous key? When your kids ask, hand them a learning exercise like this one, to explain it. They use the key to identify four different trees, based on the budding twigs they've produced. Tip: Have learners extend this...
Curated OER
Reproductive System Crossword
High schoolers review the male and female reproductive systems and fetal development with this crossword puzzle. Some of the answers are vocabulary terms for given definitions, while some are fill-in-the-blank. There are 39 spots to...
Curated OER
West Nile Virus-What is the Risk?
Begin with an online pre-quiz about West Nile Virus. Using a fictional scenario, young epidemiologists read how it is transmitted and examine the stages of the life cycle of a mosquito. They imagine that they are members of the Centers...
Curated OER
Big Dam Construction in India
This complete and full resource includes everything needed to conduct a lesson on the environmental impact of large dams in India. Background information, handouts, answer keys, and web links are all there to help you educate your class...
Institute of Electrical and Electronics Engineers
Rotational Equilibrium
Physics stars design mobiles that demonstrate rotational equilibrium. They take measurements and solve related equations for force by graphing, substitution, or determinants. This is a well-developed lesson plan, complete with student...
Curated OER
Materials for Teaching Modern Physics
A must-see for any physics teacher! You will find 217 pages of physics activities and worksheets that cover motion, electricity and magnetism, light, modern and quantum physics, and astronomy. Each activity comes with an answer key for...
Physics Classroom
A Critical Lab
Physics lab groups finagle with laser lights to determine the critical angle of refraction for both water and Lucite. Because there are no detailed steps or an answer key for this enlightening exercise, an inexperienced physics...
Beyond Benign
A Green(er) Redox Reaction
Do some experimentation with reduction-oxidation! Stoichiometry superstars use a single-replacement reaction to study limiting reactant, theoretical yield, and the reactivity of metals through a lab activity. The teacher's guide includes...
Virginia Department of Education
Molar Volume of a Gas
What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions.
Wildlife World Zoo & Aquarium
Puzzled About Conservation
Raise children's awareness about conservation with this series of vocabulary activities. Offering riddles about endangered species and a crossword puzzle involving key terms relating to conservation, these fun worksheets will engage...
Howard Hughes Medical Institute
Stickleback Evolution Virtual Lab
How quickly do animals evolve? Can comparing different samples of the same fossil answer timeline questions? Scholars use virtual labs to examine fossils and learn about stickleback evolution. They compare pelvic morphology in lakes...
University of Texas
Practice Questions for Chapter 5, Part 1
A four-page assignment contains 28 stereochemistry problems for your advanced placement chemists. Topics addressed include asymmetric carbons, enantiomers and diastereomers, meso compounds,and chiral and achiral molecules. The molecules...
Virginia Racing Commission
Project Hoofbeat: Incorporating the Horse in the Classroom:
It's all about horses in this cross-curricular packet that includes everything equine from United States horse history, breeds, grooming tools, and plenty of new vocabulary terms. Split into 11 lessons, learners complete crossword...
Howard Hughes Medical Institute
Gorongosa: Scientific Inquiry and Data Analysis
How does the scientific process begin? Introduce ecology scholars to scientific inquiry through an insightful, data-driven lesson. Partners examine data from an ongoing research study to determine the questions it answers. The resource...
National Nanotechnology Infrastructure Network
Lines on Paper - Laser Box
See what you cannot see by getting a little creative. An intriguing lesson has learners use lasers to explore X-ray diffraction. Given a box with unknown structures, they shine a laser through the box and interpret the results....
National Nanotechnology Infrastructure Network
Lab On A Slab
Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...
American Museum of Natural History
What Do You Know About Horses?
A 10-question online quiz tests scholars' knowledge about horses: all answers come with an informative explanation.
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