Orbital Speed

As mass increases, gravity ________________.

• Increases 
• Decreases 
• Stays the same 

Tags

NGSS.MS-PS2-4

Based on the table, which planet in our solar system will have the fastest orbital speed?

• Venus

• Earth

• Saturn

• Mercury

Tags

NGSS.MS-PS3-1

What relationship did Kepler discover about planets and their orbital speed?

• Planets closest to the Sun will orbit with the fastest orbital speed.

• Planets with the greatest mass will orbit the Sun with the fastest orbital speed.

• Planets furthest from the Sun will orbit with the fastest orbital speed.

• Planets with the least mass will orbit the Sun with the fastest orbital speed.

The orbital path of a comet is shown in the sketch. Use the sketch to answer the question.

In which of the positions A through D does the satellite have the least speed ?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

NGSS.MS-ESS1-2

A planet moves __________ when it is farthest from the Sun.

• faster

• slower

Tags

NGSS.MS-PS3-1

Where is the planet moving fastest?

• Position A to B

• Position B to C

• Position H to I

• Position I to J

Tags

NGSS.MS-PS3-1

NGSS.MS-ESS1-2

Which planet in this image will have the largest orbital radius?

• Mercury

• Venus

• Earth

• Mars

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Orbital period is defined as the length of time it takes for an object to complete 1 orbit.

• True

• False

Tags

NGSS.MS-ESS1-1

You discover a new planet in our solar system. You measure it's orbital period to be 246 days.

Where is this planet likely to be located based on this information?

• Closer to the Sun than Mercury.

• Located between Earth and Jupiter.

• Located between Uranus and Neptune.

• Located beyond Neptune.

Tags

NGSS.MS-ESS1-3