Mark Goldner

23 Flips | 3 Magazines | 1 Following | @MarkGoldner | Keep up with Mark Goldner on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Mark Goldner”

New Reptile Species is Relative of Dinosaurs

Less than a billion years ago, almost all the life on earth underwent a massive extinction. This event was named “The Great Dying”. However, a small …

Links between climate change and extreme weather are increasingly clear and present

<i>Commentary</i><p>When a hurricane, flood, heat wave, or other extreme weather event strikes, reporters call scientists like me and ask us what human-induced climate change had to do with this event. Until recently, most of us would say something like this: “Climate change is real. It alters the broader …

Climate Change

NYC schools that skip standardized tests have higher graduation rates

The role of standardized tests is one of the most contentious subjects in public education. And while many people oppose high-stakes testing, few …

Today's Tests Seen as Bar to Better Assessment

Commission says too many tests are used to gauge basic skills<p>| Includes correction(s).<p>The use of testing in school accountability systems may …

Teachers: How do We Propose to Measure Student Outcomes?

This week a colleague at Teacher Leaders Network raised a provocative pair of questions.<p>1. In an era where numbers are currency, what alternative set …

A Better Way to Assess Students and Evaluate Schools

Commentary<p>Most Americans agree: We need a better way to assess students and evaluate schools. The latest Phi Delta Kappa/Gallup poll found that only …

Jay Mathews - Ways to Measure Schools Without High-Stakes Testing

I have gotten some astute assistance in this effort from Sharon L. Nichols, an educational psychologist who is an assistant professor at the University of Texas at San Antonio, and David C. Berliner, Regents' Professor of education at Arizona State University. Their 2007 book "Collateral Damage: …

Vapor Pressure

Vapor Pressure, Evaporation and Boiling<p>Part 1:<p>Pressure<p>All gases exert some amount of pressure on their surroundings. This pressure comes from the …

USATODAY.com

Understanding humidity<p>Humidity is the amount of water vapor in the air and can be described in different ways.<p>The term that you'll hear most often to describe the humidity is relative humidity. This also happens to be, in my opinion, the measurement of humidity that's hardest to understand.<p>Another …

<b>For the meteorologist the only factors that determine how much water vapor will be in the air are the availability of water and the amount of thermal</b> …

USATODAY.com

<i>Source: USA TODAY research by Chad Palmer</i><p>Weather observers can use a sling psychrometer to measure the amount of water vapor in the air - that is, its humidity.<p>It consists of two glass thermometers containing a liquid, usually mercury. One thermometer measures the air temperature while the other …

Humidity and Dew Point

Relative Humidity and Dew Point<p>You have certainly felt the difference between a nice dry day and a humid, sticky one. What’s going on? How can air be …

Sasha Obama, My Daughter, and the PARCC Test: An Open Letter to President Obama

Dear President Obama,<p>We have something very important in common: daughters in the seventh grade. Since your family walked onto the national stage in 2007, I've had a feeling that our younger daughters have a lot in common too. Like my daughter Eva, Sasha appears to be a funny, smart, loving girl, …

Guest Commentary: Something Is Rotten In The State Of Massachusetts

As the state’s date nears for deciding whether to use PARCC instead of MCAS in standardized testing, guest columnist Rebecca Steinitz raises …

Can We Do School Improvement Without Tests?

Tests and test scores have organized our thinking about education policy for decades. Do we know how to do accountability and school improvement any …

Education

Case for Moratorium on State Standardized Tests

A perfect storm has engulfed the Massachusetts test-focused accountability system:<p>First, the Mathematica study commissioned by Secretary James Peyser …

Naep Scores Stagnant: Duncan Says Wait a Decade

The 2015 NAEP scores were released at midnight. For the first time in many years, the scores in math and reading were flat or declining. The story …

Statement

<b>Statement against High-Stakes Standardized Testing</b><p><b>by Massachusetts Professors and Researchers</b><p>There has been a ground swell of opposition to the …

Ocean sediments suggest dry future for Horn of Africa

Reduced rainfall in East Africa linked to anthropogenic climate change.<p>The Horn of Africa is growing drier, threatening food security for millions of …

The Pleistocene Epoch

The Pleistocene Epoch<p>The Pleistocene Epoch is typically defined as the time period that began about 2.6 million years ago and lasted until about …

What is Paleoclimatology?

Trees like the Giant Sequoia pictured here can grow to be hundreds or even thousands of years old, providing an important source of information about …