Moons and Motions

What is Luna's period of rotation?

• 27 days 9 hours

• 27 days 7 hours

• 30 days 6 hours

• 29 days 2 hours

Tags

NGSS.MS-ESS1-1

What is Luna's period of revolution?

• 27 days 9 hours

• 27 days 7 hours

• 30 days 6 hours

• 29 days 2 hours

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The current theory on the formation of Luna states that a large ​ (a)   collided with ​ (b)   ​ while it was still forming. The collision was so violent that part of ​ (c)   was blasted into orbit.

• Mars-sized object
• asteroid
• Earth
• Luna
• Earth's mantle

Tags

NGSS.HS-ESS1-6

Match the following

• Waning

• Luna is all dark

• Full Moon

• The lit part of Luna is getting smaller

• New Moon

• The lit part of Luna is getting larger

• Waxing

• Luna is all lit

Tags

NGSS.MS-ESS1-1

If less than 1/2 of Luna is lit, it is the ​ (a)   phases. When more than 1/2 of Luna is lit, it is the ​ (b)   phases.

• crescent
• gibbous

Tags

NGSS.MS-ESS1-1

Explain a solar eclipse.

• and the shadow of the moon

• the moon comes between

• falls on part of the Earth.

• the Earth and Sun

• A solar eclipse is when

Tags

NGSS.MS-ESS1-1

Explain a Lunar Eclipse.

Tags

NGSS.MS-ESS1-1

Why don't we have more lunar eclipses?

• The moon orbits the Earth at the same speed that it rotates on its axis.

• We can only see one side of the moon from any place on Earth.

• The moon's orbit of Earth is tilted at 5%.

• There is a lunar eclipse at every full moon.

Tags

NGSS.MS-ESS1-1

The inner planets have the most moons.

• Cap

• Fact

When looking down on a planet from its North Pole, if it rotates or revolves counter-clockwise, it is called ​ (a)   . Which means it turns the same as the ​ (b)   rotation. If it rotates or revolves clockwise, it is called ​ (c)   .

• prograde
• retrograde
• Sun's
• Earth's

Tags

NGSS.MS-ESS1-2