5.ESS1.6 Stars and Constellations

Front

What is a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity, which produces light and heat through nuclear fusion.

Front

What is a constellation?

Back

A constellation is a group of stars that form a recognizable pattern in the night sky.

Front

Why does the sun appear to move across the sky?

Back

The sun appears to move across the sky because of Earth's rotation on its axis.

Front

What causes day and night?

Back

Day and night are caused by Earth's rotation on its axis, which exposes different parts of the Earth to sunlight.

Tags

NGSS.MS-ESS1-1

Front

What is Earth's orbit?

Back

Earth's orbit is the path that Earth takes around the Sun, which takes about 365 days to complete.

Tags

NGSS.MS-ESS1-2

Front

Why do stars appear smaller than the sun?

Back

Stars appear smaller than the sun because they are much farther away from Earth.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system, made up of billions of stars.

Tags

NGSS.MS-ESS1-2

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 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 are the phases of the moon?

Back

The phases of the moon are the different appearances of the moon as it orbits Earth, including new moon, first quarter, full moon, and last quarter.

Tags

NGSS.MS-ESS1-1