Earth's Seasons and Axes Flashcard

Front

What is the term for the tilt of the Earth that causes seasons?

Back

Axial tilt

Front

Which hemisphere experiences summer when the Earth is tilted towards the Sun?

Back

Northern Hemisphere

Front

What phase of the Moon occurs when it is completely illuminated as seen from Earth?

Back

Full Moon

Front

What is the term for when the Sun is completely obscured by the Moon?

Back

Total Eclipse

Front

What is the dark inner shadow cast by the Earth or the Moon during an eclipse called?

Back

Umbra

Front

What are the northern and southern halves of the Earth called?

Back

Hemispheres

Front

What is the term for the position of the Earth in relation to the Sun that affects the seasons?

Back

Orbit

Front

What is the effect called when the Earth's rotation causes the apparent movement of the Sun across the sky?

Back

Diurnal motion

Front

What is the term for the time of year when day and night are of equal length?

Back

Equinox

Front

What is the name of the imaginary line that divides the Earth into the Northern and Southern Hemispheres?

Back

Equator