Energy and Insolation Regents Review

Front

What is insolation?

Back

Insolation is the amount of solar radiation received by a given area during a specific time period, usually expressed in watts per square meter (W/m²).

Front

What is the significance of the Winter Solstice?

Back

The Winter Solstice occurs around December 21 and is the shortest day of the year in the Northern Hemisphere, marking the point when the Sun is at its lowest elevation in the sky.

Front

What direction does the Sun rise on the Summer Solstice?

Back

On the Summer Solstice, the Sun rises north of due east.

Front

What is the latitude of the Tropic of Cancer?

Back

The Tropic of Cancer is located at 23.5° North latitude.

Front

What is the latitude of the Tropic of Capricorn?

Back

The Tropic of Capricorn is located at 23.5° South latitude.

Front

Where does the Sun appear to set on the Winter Solstice in New York State?

Back

On the Winter Solstice, the Sun appears to set in the southwest for an observer in New York State.

Front

What is the highest altitude of the noon Sun in New York State?

Back

The highest altitude of the noon Sun in New York State occurs on the Summer Solstice.

Front

What is the angle of the Earth's axial tilt?

Back

The Earth's axial tilt is approximately 23.5 degrees.

Front

What is the significance of the Vernal Equinox?

Back

The Vernal Equinox occurs around March 21 and marks the beginning of spring in the Northern Hemisphere, with equal day and night.

Front

What is the significance of the Autumnal Equinox?

Back

The Autumnal Equinox occurs around September 23 and marks the beginning of fall in the Northern Hemisphere, with equal day and night.