Curated OER
Beads, Balls, and Beakers
Young scholars analyze the amount of space required to pack round objects. In this geometry instructional activity, students practice using space economically by practicing packing spheres into beakers. They then translate this concept...
Curated OER
Comparing Notes: a Mathematical Exploration of the Piano
Students examine the history of equal temperament, the modern standard of tuning a piano. Proportion calculations of octaves and perfect fifths are utilized to calculate the frequency of each note in a major scale.
Curated OER
An Ad for an Element
Learners prepare an ad for an element, including properties and uses, in an attention getting format such as that used in the advertising business.
Curated OER
Extraction of DNA from White Onion
Students conduct lab test with minced onion to determine where chromosonal DNA is located within the cell, and whether or not it can be extracted.
Curated OER
Colored H2 Balloon Explosions
Learners perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light. ...
Curated OER
Electricity and Magnetism
Fourth graders compare electricity and magnetism. In this science lesson, 4th graders discuss the concepts of electricity and magnetism and brainstorm examples of electrical and magnetic forces.
Curated OER
Cell physiology and chemistry
Students design an experiment to discriminate between chemical diffusion, osmosis, facilitated diffusion and active transport through a membrane. Be specific about predictions and interpretations!
Curated OER
Changes of State
Students examine molecules and the changes in energy of a system. In this energy systems lesson students complete a lab activity and describe changes of state.
Curated OER
What Really Matters When it Comes to Sound?
Students conduct experiments to learn about sound wave vibrations in objects and pitch. Students test how varying the volume of water in a vessel changes frequency and pitch.
Curated OER
The Rifting of Pangaea and the Gettysburg Battlefield
Eleventh graders analyze and interpret an animated model of Earth’s rifting processes. For this Earth Science lesson, 11th graders connect Earth’s rifting processes with the Earth’s surface in the Gettysburg battlefield. Students apply...
Curated OER
Albert Einstein: How I See the World
High schoolers examine why Einstein rescinded his German citizenship when he was a teenager. They examine what aspects of German life did Einstein disagree with in his early years.
Curated OER
Limiting Reagent
Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...
Curated OER
Advanced Sentence Completion 12
In this sentence completion worksheet, students choose the best word(s) to complete each sentence from five possible answer choices.
Curated OER
Classifying Matter Game
Students identify the different states of matter. For this chemistry lesson, students differentiate the physical properties of the three states. They apply what they learned by playing a team game at the end of the lesson.
Curated OER
Causal Patterns in Density Phenomena
Students consider the causes of density at a microscopic level. They then discover that one cause of density has to do with how many protons and neutrons the material contains.
Curated OER
States of Matter
Students categorize items into one of the three states of matter. They participate in a demonstration in which they represent particles of matter. Finally, they complete an experiment in which they "race" top see who can make acetone...
Curated OER
How Can You Study Things You Can’t See Like: Atoms?
Learners simulate how scientists studied things they can't see like atoms. In this chemistry lesson, students predict what is inside the numbered obsertainers. They design a way to investigate what's inside without opening it.
Ohio State University
Osu History Teaching Institute: The Development of Atomic Theory
Students learn about the development of atomic theory.
Utah Education Network
Uen: Timeline for the Atom
Learners will examine how significant scientific theories are developed, explore the work of scientists who contributed ideas to the atomic theory, and develop a timeline of key scientists to show how the work of each one built on the...
American Chemical Society
Middle School Chemistry: Protons, Neutrons, and Electrons
Investigate why a charged object is attracted or repelled by another charged object. Explore the concept that the attraction between positive protons and negative electrons holds an atom together.