Space Systems

How many stars are in our solar system?

• billions

• too many to count

• one

How do scientists measure the vast distances in space?

• feet

• miles

• light year

Tags

NGSS.MS-ESS1-3

Which is the closest star to Earth?

• moon

• sun

• alpha centauri

Why do the stars look like tiny points of light in the night sky?

• They are so far away from Earth.

• They are so small.

• We are so small compared to the stars.

One day on Earth is equal to one...

• rotation

• orbit

• revolution

Tags

NGSS.MS-ESS1-1

Which celestial object is at the center of our solar system?

• Earth

• Sun

• Moon

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Which celestial objects produce light?

• planets

• stars

• moons

One year on Earth is equal to one...

• revolution

• rotation

• spin

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Which object is the most massive in our solar system?

• Jupiter

• Earth

• Sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

The Sun provides most of the energy on Earth.

• True

• False

Tags

NGSS.5-PS3-1