Author

Hari Walker Page 3

A public middle school science instructor in Duluth, Minnesota, Hari Walker has taught earth and physical science for over a decade. He maintains an outdoor weather station where students record temperature and humidity readings every morning. Walker received degrees in science education.

Why Is There More Evaporation in the Tropics?
Why Do Lakes Steam in Cold Weather?
How the Angle of Sunlight Affects Climate Zones
What Percent of Solar Radiation Is Filtered by Clouds?
Why Are Temperatures More Moderate Around the Equinoxes?
How Is Stratospheric Ozone Formed?
How Does Energy Transfer in a Hurricane?
How Has the Sun Changed Global Temperatures Over the Past Millennium?
Do Clouds Make Noise? The Science of Thunder and Sound
Is There Going to Be Another Ice Age?
How Cold Does It Have to Be for Water to Freeze Instantly?
Why Is Winter So Cold? The Science of Seasonal Change
Why Is Bermuda So Warm for Its Latitude?
Why Is Siberia So Cold? The Science Explained
Why Is Spring So Cold? The Science of Seasonal Lag
What Is Insolation in Geography and Why Is It Important?
What Is the Wrap-Around Effect of a Tsunami?
How Do Seismologists Create Long-Range Earthquake Predictions?
What Causes Europe’s Mild Climate?
Why Is Iceland Warmer Than Greenland?
How Does the Ozone Layer Protect Us From UV Rays?
What Is the Hydrologic Cycle and How Does It Work?
Why Doesn’t It Snow in Africa?
How Does the Water Cycle Contribute to the Brown Ocean Effect?
What Is a Volcanic Winter and How Does It Happen?
When Will Los Angeles Be Underwater?
Why Has This Winter Been So Warm?
Does Water Vapor Contribute to Global Warming?
Why Is Noon Solar Intensity Greater on the Summer Solstice?
What Happened During the Pleistocene to Cause Global Cooling?