This activity will introduce pH testing of cleaning products, citrus fruits, and …
This activity will introduce pH testing of cleaning products, citrus fruits, and then analyzes a mystery Green product. Students will compare and contrast findings to discover an earth friendly product.
This course details the quantitative treatment of chemical processes in aquatic systems …
This course details the quantitative treatment of chemical processes in aquatic systems such as lakes, oceans, rivers, estuaries, groundwaters, and wastewaters. It includes a brief review of chemical thermodynamics that is followed by discussion of acid-base, precipitation-dissolution, coordination, and reduction-oxidation reactions. Emphasis is on equilibrium calculations as a tool for understanding the variables that govern the chemical composition of aquatic systems and the fate of inorganic pollutants.
This course provides an introduction to the physics and chemistry of the …
This course provides an introduction to the physics and chemistry of the atmosphere, including experience with computer codes. It is intended for undergraduates and first year graduate students.
AtomTouch is a molecular simulation app, created through a partnership between UW …
AtomTouch is a molecular simulation app, created through a partnership between UW MRSEC and Field Day Lab, that allows learners to explore principles of thermodynamics and molecular dynamics in a tactile, exploratory way.
AtomTouch is a molecular simulation app, created through a partnership between UW …
AtomTouch is a molecular simulation app, created through a partnership between UW MRSEC and Field Day Lab. It allows learners to explore principles of thermodynamics and molecular dynamics in a tactile, exploratory way. The simulation was developed to help students understand the structures and attributes of particles at the molecular level, providing real-time feedback and responding to students’ actions.
Explore the interactions between various combinations of two atoms. Turn on the …
Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.
Explore the interactions between various combinations of two atoms. Turn on the …
Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.
In nature most elements occur as a mixture of two or more …
In nature most elements occur as a mixture of two or more isotopes. Eachisotope of an element has a fixed mass with a natural percent abundance. The mass of theelement needs to reflect the masses of these isotopes in their respective abundances. Giventhe masses and abundances, how is the Average Atomic Mass determined? In this activity, you will determine the atomic mass of the fictitous element Candium.
Both of these lessons are classroom activities that require students to build …
Both of these lessons are classroom activities that require students to build models that display understanding of atoms and molecules. One lesson is structured while the other is guided.
Students are introduced to the concept of engineering biological organisms and studying …
Students are introduced to the concept of engineering biological organisms and studying their growth to be able to identify periods of fast and slow growth. They learn that bacteria are found everywhere, including on the surfaces of our hands. Student groups study three different conditions under which bacteria are found and compare the growth of the individual bacteria from each source. In addition to monitoring the quantity of bacteria from differ conditions, they record the growth of bacteria over time, which is an excellent tool to study binary fission and the reproduction of unicellular organisms.
Students complete an inquiry lab, typically at home or in a lab …
Students complete an inquiry lab, typically at home or in a lab kitchen. They can split a recipe into fourths, use the original as a control and modify three other versions, increasing, decreasing or changing one ingredient. For example, we have found that reducing the butter by half or reducing the sugar by half does not significantly change the overall quality of baked sweets and can reduce their negative health impacts.
Students visualize and interact with concepts already learned, specifically algebraic equations and …
Students visualize and interact with concepts already learned, specifically algebraic equations and solving for unknown variables. They construct a balancing seesaw system (LEGO® Balance Scale) made from LEGO MINDSTORMS® parts and digital components to mimic a balancing scale. They are given example algebraic equation problems to analyze, configure onto the balance scale, and evaluate by manipulating LEGO pieces and gram masses that represent terms of an equation such as unknown variables, coefficients and integers. Digital light sensors, built into the LEGO Balance Scale, detect any balance or imbalances displayed on the balancing scale. The LEGO Balance Scale interactively issues a digital indication of balance or imbalance within the system. If unbalanced, students continue using the LEGO Balance Scale until they are confident in their understanding of solving algebraic equations. The goal is for students to become confident in solving algebraic equations by fundamentally understanding the basics of algebra and real-world algebraic applications.
This activity is an extension of the common balloon cars, where students …
This activity is an extension of the common balloon cars, where students explore if and how different gases used as a fuel source effect the distances traveled by the cars.
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. …
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. They create designs on index cards using these substances as invisible inks. After the index cards have dried, they apply red cabbage juice as an indicator to reveal the designs.
Students learn the basics of acid/base chemistry in a fun, interactive way …
Students learn the basics of acid/base chemistry in a fun, interactive way by studying instances of acid/base chemistry found in popular films such as Harry Potter and the Prisoner of Azkaban and National Treasure. Students learn what acids, bases and indicators are and how they can be used, including invisible ink. They also learn how engineers use acids and bases every day to better our quality of life. Students' interest is piqued by the use of popular culture in the classroom.
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