Virginia Department of Education 
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class...
Odell Education
Plant and Animal Cells
Incorporate multiple facets of the cell into your next high school lab! Through an introduction to cell organelles, class members observe each cell type and draw visuals to further demonstrate understanding of cellular processes in both...
Virginia Department of Education 
Cell Division
Searching for simple ways to teach mitosis to high schoolers? Using colored chalk and onion root tips, pupils visually demonstrate what they view when looking through the lens of a microscope. There are also various ways to expand the...
American Chemical Society
Entropy and Enthalpy Changes
My room isn't messy — it's a scientific experiment in entropy! Scholars investigate entropy, enthalpy, and spontaneity through a guided procedure and set of questions. The lesson connects the Second Law of Thermodynamics, energy...
Curated OER
Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
Curated OER
A Tree of Life Activity
Young scholars solve a mystery of the identification of a unknown organism by comparing its morphological characteristics to those in a tree of life classification poster.  They compare the observable characteristics of the specimen and...
Curated OER
Comparison of Human and Chimpanzee Chromosomes
Students actively engage in the careful analysis of chromosome banding patterns and identify examples of inversion in homologous chromosomes.
Curated OER
Tracing the Origins of Man
Students discuss Hominid evolution through various websites and other resources. They examine online fossil skulls, discuss the use of tools by ancient man, and look for examples of sophisticated tools built by man.
Curated OER
Structure of Matter
In this science activity, students read about the oxygen and phlogiston theories.  Students also answer 2 comprehension questions related to the reading.
Curated OER
African Americans in Science
Students explore the careers of prominent African Americans in science, mathematics, and technology.  They use The Faces of Science: African Americans in the Sciences website, which includes profiles of past and present African Americans...
Curated OER
History Theory of Evolution
Students identify fossils. They identify evidence of change over time when given pictures of fossils to determine the proper sequencing. In addition, they determine evolutionary relationships by comparing embryonic structures.
New Mexico State University
Lab 6: Kepler's Laws
A 15-page package thoroughly teaches your physics or astronomy learners about Kepler's three laws of planetary motion. Each one is stated and explained. Class members answer questions, solve problems, and participate in the classic...
Cornell University
Catapults
Ready, aim, fire! Launch to a new level of understanding as scholars build and test their own catapults. Learners explore lever design and how adjusting the fulcrum changes the outcome. 
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
NASA
Raisin Bread Universe
What is the universal breakfast? The resource includes two activities, the first one observing oatmeal to understand the texture of the universe. Then, scholars measure raisin bread dough before and after it rises to represent the...
Virginia Department of Education 
Acid-Base Theory
Litmus paper, why so blue? A chemistry lesson includes a pre-lab activity, practice calculating pH, an experiment measuring the pH in acids and bases, a titration demonstration, and a titration experiment. 
Curated OER
Atoms, Molecules and Ions
Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...
Curated OER
Uranium On a Diet
Pupils examine how nuclear reactions differ from other chemical reactions they have studied.  They add up atomic masses of both the product and reactant side of an example of uranium decomposition, demonstrating mass loss involved.
Curated OER
Particle Theory of Matter
In this science word search worksheet, learners identify and locate words in a puzzle that relate to particle theory of matter. There are 24 words to locate in the puzzle and spell correctly.
Curated OER
Modern Physics, New Phenomena
For this physics worksheet, students examine some of the historical theories of physics through the completion of 11 questions.
Curated OER
DC Generator Theory
 In this online worksheet students answer a series of 14 essay or short answer questions explaining the DC generator theory. The correct answer is available to check their responses to each question. The questions vary in...
Curated OER
Gravity: A Relatively Heavy Subject
Students examine planetary movement and its relation to the tide.In this gravity instructional activity students describe how and why the high and low tides change every day.
Curated OER
The Cream of the Crop
Young scholars read and discuss article, "Simple Method Found to Vastly Increase Crop Yields," then research the basic components of conventional and organic agricultural methods. They, in groups, organize and present their research to...
Curated OER
Shades of Gray
Students examine their own strengths and weaknesses and try to determine if it is a result of nature, nuture or both. After reading an article, they discuss how gender may or may not account for differences in intelligence. They...