Sun and Stars

Which of the following causes Earth to orbit the sun?

• the force of gravity

• Earth's tilt on its axis

• the force of magnetism

• Earth's speed of rotation

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the sun made of?

• really hot rocks

• hydrogen and helium gasses

• asteroids and meteors

• a lot of flashlights taped together

Tags

NGSS.MS-PS1-1

Look at the models of stars.

Why does the sun appear to be larger than other stars in the sky?

• The sun is hotter than other stars

• Other stars are farther away than the sun

• Other stars give off less light than the sun

• The sun is the biggest star in the universe

Tags

NGSS.MS-ESS1-1

Why does the sun appear to move across the sky?

• The sun orbits Earth

• Earth is tilted on its axis

• Earth rotates on its axis

• The sun rotates on its axis

Tags

NGSS.MS-ESS1-1

The length of time it takes for Earth to make one rotation on its axis is called a:

• day

• week

• month

• year

The amount of time it takes Earth to make one revolution around the sun is called a:

• day

• year

• month

• season

Tags

NGSS.MS-ESS1-1

How many stars are in our solar system?

• 1

• 8

• 100

• 345,723,924,091

A student looks at stars in a telescope. Each star is the same size as the sun.

Which star is closest to Earth?

• 1

• 3

• 6

• 7

Tags

NGSS.MS-ESS1-2

A "light year" is a measure of:

• time

• distance

• brightness

• stars

How many planets are there in our solar system?

• 1

• 3

• 8

• 234,435,902,345

Tags

NGSS.MS-ESS1-3