Observable Patterns in the Night Sky

the circular movement of an object, such as a planet or moon, around an object

• axis

• rotation

• revolution

• orbit

an imaginary line that an object spins around

• axis

• rotation

• revolution

• orbit

the spinning of an object when it moves

• ellipse

• rotation

• revolution

• orbit

the movement of one object around another

• ellipse

• rotation

• revolution

• orbit

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

an oval shape that is used to describe the rotation of objects in space

• ellipse

• axis

• revolution

• orbit

Imaginary pictures formed by stars that are used to help identify stars.

• orbit

• constellation

• appear

• rotate

to directly affect something

• ellipse

• axis

• revolution

• impact

Tags

NGSS.MS-ESS3-4

The way objects seem based on how they look.

• revolution

• ellipse

• axis

• appear

Beth sees the constellations Orion in the winter. She does not see Orion in the summer. Which sentence BEST explains why Beth cannot see Orion all year?

• Some stars disappear each season when their life cycle ends.

• All stars disappear in the summer when the sun is brightest.

• Some stars are not visible in all seasons as Earth revolves around the sun.

• All stars are visible in all seasons. Beth did not look closely enough for Orion.

Tags

NGSS.MS-ESS1-1

Chen is studying star patterns. He plans to make observations from his bedroom window. He wants to answer the question, "How do stars change their positions in the sky each night?" How can Chen BEST answer this question?

• Observe a different star at a different time each night.

• Observe the same star at a different time each night.

• Observe a different star at the same time each night.

• Observe the same star at the the same time each night.

Tags

NGSS.MS-ESS1-1