Students obtain a basic understanding of microfluidic devices, how they are developed …
Students obtain a basic understanding of microfluidic devices, how they are developed and their uses in the medical field. After conducting the associated activity, they watch a video clip and learn about flow rate and how this relates to the speed at which medicine takes effect in the body. What they learn contributes to their ongoing objective to answer the challenge question presented in lesson 1 of this unit. They conclude by solving flow rate problems provided on a worksheet.
How do microwaves heat up your coffee? Adjust the frequency and amplitude …
How do microwaves heat up your coffee? Adjust the frequency and amplitude of microwaves. Watch water molecules rotating and bouncing around. View the microwave field as a wave, a single line of vectors, or the entire field.
This activity is a lab investigation in which students make mass/volume measurements …
This activity is a lab investigation in which students make mass/volume measurements of several samples of the same mineral to determine the mineral's density. Students graph their data and make the connection between their qualitative understanding of what density is and the mathematical/graphical representation of density.
This activity is a mini-lab where students determine relationships between gas laws …
This activity is a mini-lab where students determine relationships between gas laws and temperature, pressure, and volume; particularly Charles and Boyle's Law. The concept of mini-labs originated from Dr. Dan Branan and Dr. Matt Morgan. See mini-labs.org for more details.
This is an activity about solar rotation and sunspot motion. Learners will …
This is an activity about solar rotation and sunspot motion. Learners will use a sphere or ball to model the Sun and compare the observed lateral motion of sunspots to their line-of-sight motion. This is Activity 1 of the Space Weather Forecast curriculum.
This activity is a guided practice and scaffolding activity in which the …
This activity is a guided practice and scaffolding activity in which the students learn how to configure electrons of elements and determine the number of valence electrons.
Through class discussion and think-pair-share questions, this activity helps students come to …
Through class discussion and think-pair-share questions, this activity helps students come to understand the difference between emf and potential difference in electrical circuits. These concepts are broached within the context of internal resistance of batteries.
The heart of this activity is a laboratory investigation that models the …
The heart of this activity is a laboratory investigation that models the production of silicon. Students learn about silicon and its sources, uses, properties, importance in the fields of photovoltaics (solar cells/renewable energy) and integrated circuits industries, and, to a limited extent, environmental impact of silicon production.
How did scientists figure out the structure of atoms without looking at …
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
In this interactive lecture, models of the hydrogen atom are explored using …
In this interactive lecture, models of the hydrogen atom are explored using an online Java applet. The exploration leads to qualitative and quantitative analysis of energy transitions.
This activity is an indoor lab for use with Vernier gas pressure …
This activity is an indoor lab for use with Vernier gas pressure sensors that allows students to experimentally determine the molar volume of a gas and ideal gas constant.
Discover what controls how fast tiny molecular motors in our body pull …
Discover what controls how fast tiny molecular motors in our body pull through a single strand of DNA. How hard can the motor pull in a tug of war with the optical tweezers? Discover what helps it pull harder. Do all molecular motors behave the same?
Molecular Workbench is a FREE and OPEN SOURCE, downloadable software utilizing Visual, …
Molecular Workbench is a FREE and OPEN SOURCE, downloadable software utilizing Visual, Interactive Simulations for Teaching & Learning Science. A typical MW module is a comprehensive learning package consisting of a series of scaffolded pages that contain text, simulations, tools, controls, graphs, navigation links, and embedded assessments. The user interfaces of simulations in MW can be customized for students of different levels (grades 6-16). This unique feature enables it to support a wide range of instructional strategies such as inquiry-based, discovery-based, and problem-based learning. (For Windows, OSX. Must have Java)
Students will predict bond polarity using electron negativity values; indicate polarity with …
Students will predict bond polarity using electron negativity values; indicate polarity with a polar arrow or partial charges; rank bonds in order of polarity; and predict molecular polarity using bond polarity and molecular shape.
Do you ever wonder how a greenhouse gas affects the climate, or …
Do you ever wonder how a greenhouse gas affects the climate, or why the ozone layer is important? Use the sim to explore how light interacts with molecules in our atmosphere.
In this activity students analyze the motion of a student walking across …
In this activity students analyze the motion of a student walking across the room and predict, sketch, and test distance vs. time graphs and velocity vs. time graphs.
This site provides a free physics textbook that tells the story of …
This site provides a free physics textbook that tells the story of how it became possible, after 2500 years of exploration, to answer such questions. The book is written for the curious: it is entertaining, surprising and challenging on every page. With little mathematics, starting from observations of everyday life, the text explores the most fascinating parts of mechanics, thermodynamics, special and general relativity, electrodynamics, quantum theory and modern attempts at unification. The essence of these fields is summarized in the most simple terms. For example, the text presents modern physics as consequence of the notions of minimum entropy, maximum speed, maximum force, minimum change of charge and minimum action.
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