Earth, Sun, and Moon Systems Flashcard

Front

What is an Axis?

Back

The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth’s rotation.

Front

What would seasons be like if Earth's axis were straight up and down and not tilted?

Back

There would be no seasons.

Front

Why don't solar or lunar eclipses occur every lunar cycle?

Back

Because all three celestial bodies (the Sun, Earth, and Moon) have to align.

Front

What type of eclipse occurs when the Moon passes between the Earth and the Sun?

Back

Solar eclipse.

Front

What causes seasons on Earth?

Back

The Earth is tilted at 23.5 degrees causing the sun to heat Earth with direct rays in the summer and indirect rays in the winter.

Front

What is a solar eclipse?

Back

An event where the Moon blocks the Sun's light from reaching Earth.

Front

What is a lunar eclipse?

Back

An event where the Earth blocks the Sun's light from reaching the Moon.

Front

How does the tilt of the Earth affect climate?

Back

It causes variations in sunlight received at different times of the year, leading to seasons.

Front

What is the significance of the Earth's rotation?

Back

It causes day and night.

Front

What is the significance of the Earth's revolution around the Sun?

Back

It determines the length of a year and the changing seasons.