Sun, Moon, Stars Flashcard

Front

What is a new moon?

Back

A new moon is the phase of the moon when it is not visible from Earth because it is positioned between the Earth and the Sun.

Tags

NGSS.MS-ESS1-1

Front

What is a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity, primarily composed of hydrogen and helium, undergoing nuclear fusion.

Tags

NGSS.HS-ESS1-3

Front

What celestial body does the moon revolve around?

Back

The moon revolves around the Earth.

Tags

NGSS.MS-ESS1-1

Front

What are craters on the moon?

Back

Craters are depressions on the moon's surface formed by the impact of meteoroids.

Front

Why do some stars appear larger than others?

Back

Some stars appear larger than others because they are closer to Earth, which makes them look brighter and larger.

Front

What is the difference between a full moon and a new moon?

Back

A full moon occurs when the entire face of the moon is illuminated by the Sun, while a new moon occurs when the moon is between the Earth and the Sun and is not visible.

Tags

NGSS.MS-ESS1-1

Front

What causes the phases of the moon?

Back

The phases of the moon are caused by the changing positions of the moon, Earth, and Sun, which affect how much of the moon's surface is illuminated.

Tags

NGSS.MS-ESS1-1

Front

What is the significance of the North Star?

Back

The North Star, or Polaris, is significant because it is located nearly directly above the North Pole and is used for navigation.

Front

What is the difference between a planet and a star?

Back

A planet is a celestial body that orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the role of gravity in the solar system?

Back

Gravity is the force that keeps planets in orbit around the Sun and moons in orbit around their planets.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4