Designing Assessment Items Science Ps Version
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The document provides guidelines for developing valid assessment items that effectively measure student learning. It discusses the importance of items having appropriate content and context, clear and concise language, and engaging formats. Items should address single learning objectives, require reasoning skills over rote knowledge, and avoid bias or trickiness. The goal is for items to genuinely test students' understanding of the concepts being assessed.
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Like share盧comment and don't forget to subscribe 
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This document discusses biosignatures and the search for habitable exoplanets. It begins by reviewing Earth's biosignatures like oxygen, ozone, methane, and vegetation reflectance. It then explains that life exploits chemical energy gradients and metabolic reactions have an energy yield that can be quantified. The search for habitable worlds involves finding transiting exoplanets using ground and space telescopes to measure atmospheres. Direct imaging from space is also needed to find and characterize Earth analogs, with external occulters showing promise to block starlight. The overarching goals are to understand possible biosignatures on non-Earth worlds and find the most promising planets for atmospheric study.
Maxwell Boltzmann Summary Answer the following questions an
Maxwell Boltzmann: Summary
Answer the following questions and submit your responses as a PDF.
1. Write down one major conclusion you can draw from this week’s laboratory.
Please explain.
2. Describe the experimental evidence that supports your conclusion. Please
explain.
3. Give one example of applications/situations for the finding(s) you described
above in your everyday life outside of physics lab.
4.What
 did
 you
 like
 and
 dislike
 about
 this
 week;s
 lab
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Lab: The Maxwell-Boltzmann Distribution* Phys 242
*Some components of this lab are based on the activity developed by Julia Chamberlain & Ingrid Ulbrich
(PhET, UC Boulder; https://phet.colorado.edu/en/contributions/view/3687)
In this lab we will study several macroscopic quantities that can be used to describe a gas and explore the
relationships among these quantities. using a simulation from the PhET team:
https://phet.colorado.edu/sims/html/gas-properties/latest/gas-properties_en.html
This is a variant of the simulation you used for the Gas Properties lab. The simulation can be run in a
browser. If you have issues with the simulation, try using another browser. If you are unable to run the
simulation, your TA will provide you with remote assistance. When you run the simulation, choose the
“Energy” option. At the very bottom of the screen you will see the other options for the simulation,
including a home button, “Ideal,” “Explore,” “Energy,” and “Diffusion.” If you accidentally navigate to
another area, you can return to the Energy option by clicking the button.
The simulation shows a preset volume. In its initial configuration the box is empty. On the right side of
the screen there is a menu labelled “Particles.” By expanding this menu, you can choose to add so many
heavy or light particles. These particles will enter the volume at a temperature of 300 K in the initial
setup.
Once there are particles in the box, the temperature and pressure in the box can be read off the scales on
the right corner of the box. The units can be changed for these values. To adjust the temperature of the
particles in the box, move and hold the slider bar below the box.
To the left of the box is a graph showing the speed of the particles. This is a histogram. By clicking the
blue and red boxes below the graph, you can see the distributions of the heavy and light particles,
respectively. The box above this shows the average speed of the heavy and light particles.
Below the speed distribution graph is a menu that can be expanded to show the kinetic energy distribution
of the particles. Again, by clicking the blue and red boxes below the graph, you can see the distributions
of the heavy and light particles, respectively.
On the left there is a handle to change the size of the box. There is also a lever at the top of the box that
can be lifted to open the box, allowing particles to escape. Particles ...
Balancing equations day 2 a
1. This document contains instructions and information for students regarding testing, homework assignments, and classroom logistics.
2. It outlines materials and supplies needed for upcoming assignments, tests, and classroom activities.
3. Key deadlines mentioned include turning in homework by the end of the period on Friday and lining up in alphabetical order for testing tomorrow.
TRM-4.ppt
1) The document discusses the historical development of atomic models from Thomson's "plum pudding" model to Rutherford's discovery of the nuclear model based on his gold foil experiments.
2) It then describes Bohr's model of the hydrogen atom which explained the characteristic emission spectra by quantizing angular momentum and energy levels.
3) Bohr's model was an improvement over previous classical models but still had limitations like not incorporating special relativity.
Polarity of Molecules12444553564564645.docx
This document contains a daily lesson plan for a physical science class taught on February 7, 2024. The objectives of the lesson are to differentiate between polar and nonpolar bonds, determine bond polarity using electronegativity, and familiarize students with molecular shapes. The lesson will cover the polarity of molecules, discussing how electronegativity differences between atoms affect bond polarity and the polarity of the overall molecule. Formative assessments include multiple choice and true/false questions about bond polarity, electronegativity, and molecular geometry. The teacher will reflect on students' performance and the effectiveness of teaching strategies.
SHS MOCK EXAM GEN PHYS.pptxxxxxxxxxxxxxx
The document contains 16 multiple choice questions related to physics concepts such as forces, motion, gravity, light, mirrors, and special relativity. The questions cover topics like Newton's laws of motion, weight changes in elevators, net forces, light reflection, the velocity addition formula in relativity, and how microwaves heat food.
Lecture 5.1- Atomic Orbitals
The document provides information about the historical development of atomic structure and models. It discusses how Niels Bohr knew electrons occupy fixed energy levels but thought they orbited the nucleus like planets orbit the sun. It then explains how scientists like Schrodinger, de Broglie, and Einstein contributed to the current understanding that electrons can be found in regions called atomic orbitals, which are solutions to probability equations. The document defines an atomic orbital as an area where an electron can be found.
Plm science
The document provides learning material on the periodic classification of elements. It discusses early attempts at classifying elements, including Dobereiner's triads, Newlands' law of octaves, and Mendeleev's periodic table. It outlines the objectives of understanding periodic classification, analyzing early classification attempts, and being able to design the modern periodic table based on element properties. It presents multiple choice questions to test understanding of trends in the periodic table, properties predicted by group membership, and electronic configurations of elements.
SCIENCE-8-WEEK-7-8-Q3-FINAL.pdf
1. The document discusses the development and importance of the periodic table of elements. It traces the periodic table back to Dobereiner's triads in 1817 and covers contributions by scientists like Newlands, Meyer, Mendeleev and Moseley that led to the modern periodic table.
2. The periodic table organizes elements into vertical columns called groups with similar properties and horizontal rows called periods. Elements are classified based on their atomic structure and properties like reactivity and atomic radius that vary periodically with atomic number.
3. The periodic table is useful for predicting chemical behaviors and properties of elements based on their location in the table. It provides an organized framework for understanding the relationships between elements and how their properties change
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SUKDANAN DIAGNOSTIC TEST IN PHYSICAL SCIENCE ANSWER KEYY.pdf
SUKDANAN DIAGNOSTIC TEST IN PHYSICAL SCIENCE ANSWER KEYY.pdf
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Maxwell Boltzmann Summary Answer the following questions an
Maxwell Boltzmann Summary Answer the following questions an
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