Biology Junction
Lamarck vs. Darwin: Introduction to Change in Organisms
How are traits passed down from parents? Jean Baptiste Lamarck and Charles Darwin envisioned conflicting theories. Learn about both scientists and their theories with an insightful presentation. Giraffes and dogs serve as examples of...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
It's Getting Hot in Here
Discover the environmental and economic impact of global warming. After reading an article, emerging environmentalists identify how different countries are responding to the Kyoto Protocol. They research emission laws and write a news...
American Chemical Society
Exploring Moisture on the Outside of a Cold Cup
As a stand-alone or as part of the intended unit, this is a valid investigation of what causes condensation to occur. By limiting the amount of air around a cold cup of water and comparing it to one out in the open, they find that the...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
American Chemical Society
Exploring Moisture on the Outside of a Cold Cup: For Dry Environments
If the area you live in is arid, or the preceding experiment in this unit didn't yield obvious results, use this one in place of it to help reveal where condensation comes from. The mini unit that this is part of a comprehensive...
Curated OER
Coping with Change
Students observe changes in their classroom. In this coping with changes instructional activity, students note the differences in the activities of the day and the changes in the classroom. Students explain changes in their lives and...
Curated OER
Temperature Changes Everything
Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...
Curated OER
From One Word to the Next
In this word work worksheet, students start with one word and follow the clues by changing one letter to make a new word. Students complete 12 words.
Chicago Botanic Garden
Unit 2 Pre-test, Grades 7– 9
This pre-assessment launches a unit on climate change and weather. 15 questions, both short answer and multiple choice, asses the classes' knowledge about these concepts.
Colorado State University
Why Does the Wind Blow?
Without wind, the weather man wouldn't have much to talk about! Blow away your junior meteorologists with a creative demonstration of how wind works. The activity uses an empty soda bottle and compressible Styrofoam peanuts to illustrate...
Core Knowledge Foundation
A Time for All Seasons - Summer
The sun is shining and the birds are singing, what better time to teach young learners about the fun season of summer. In this week-long science series, children learn how the rotation and orbit of the earth influence the days and...
Chicago Botanic Garden
Climate and Forest Ecosystem Services
Forests, through sequestration, capture excess carbon dioxide in our atmosphere and store it, aiding in climate change. The third installment in a four-part series on how climate impacts forests explores carbon sequestration. Classes...
Curated OER
Weather and Climate
It's hot today, but is that the weather or the climate? This colorful presentation isolates both concepts to allow for better understanding by covering the positioning of the planet, making comparisons of land versus water, and looking...
Missouri Department of Elementary
Sally’s Super Day
After having a bad day, Sally took scholars' suggestions and had a super day. Pupils listen to her newest short story then discuss the events that occurred. They sort each event by what was in her control and what was not. Participants...
NOAA
It All Runs Downhill
Examine how pollution makes its way into an ocean with help from a model watershed. Scholars use household items to recreate a mini-watershed, equipped with pollutants, that when mixed with rain drain into a model's body of water. After...
Education Bureau of Hong Kong
Mental Models
Behaviors are often based on assumptions. That's the big idea in the third lesson of a series of critical think resources. Through a series of worksheets, learners examine the conscious and heretofore unconscious assumptions that...
Curated OER
Understanding Stereotypes
Pupils confront age-related stereotypes, explore how stereotyping impacts their lives, and discuss how they can make changes to reduce over-generalizations, unfair assumptions, and critical judgments about people groups. They use a...
Curated OER
Physical Changes & Chemical Reactions
Fifth graders explore physical and chemical changes. They prepare a demonstration in which they perform an example of either a physical change or a chemical reaction.
Curated OER
Physical and Chemical Change of Six White Substances
Students investigate chemical and physical changes in reactions. In this chemical and physical change lesson plan, students mix 6 different white substances with water, vinegar and iodine. They make hypotheses about each substance and...
Curated OER
Chemical Changes and Biscuits
Fourth graders investigate chemical changes in everyday life settings, such as cooking. They investigate leavening which is one of the classic chemical changes that people experience. Pupils observe leavening in biscuits with the...
Curated OER
Physical vs. Chemical Changes and "The Code"
In this chemical and physical change instructional activity, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical...
Curated OER
Stopping Global Climate Change
Students synthesize or express concepts towards solving the question posed at each lab station about climate change. After all lab teams have finished, the teacher facilitates a class discussion on teams' responses to each station.
Howard Hughes Medical Institute
The Making of the Fittest: The Birth and Death of Genes
Adaptations must be made as environments change. This fabulous presentation features Icelandic icefish, a transparent, scaleless specimen that even has colorless blood. Genetics and adaptations concepts are explored as scientists study...