Astr 151 Lecture

What is the phase of the Moon at position #5?

• New Moon

• Third Quarter Moon

• First Quarter Moon

• Full Moon

Tags

NGSS.MS-ESS1-1

Name the phase of the moon for letter f

• Waning Gibbous

• Waxing Gibbous

• Waning Crescent

• Waxing Crescent

Tags

NGSS.MS-ESS1-1

What is the correct order of the Moon Phases?

• 1st Quarter, 3rd Quarter, New, Full

• New, 1st Quarter, Full, 3rd Quarter

• New, Full 1st Quarter, 3rd Quarter

Tags

NGSS.MS-ESS1-1

What happened to the nebula after it collapsed and started spinning?

• It formed a sphere

• It flattened into a disc

• It evaporated into space

• It exploded

What force acted on the massive nebula to collapse it and eventually form our sun?

• electrostatic force

• strong force

•  weak force

• gravity

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A nebula is

• a cloud of gas and dust

• an asteroid

• a protosun

• a planet

What forms in the very center of the accretion disk?

• protosun

• planet

• protoplanet

• planetesimal

What is forming in the accretion disk away from the center?

• Light

• Protostars

• Planetesimals

• Hydrogen

Based on patterns observed by scientists, about how old is our solar system?

• 1 million years old

• 4.6 billion years old

• 100 billion years old

• 150.2 trillion years old

Tags

NGSS.HS-ESS1-6

The most abundant gases in a nebula are:

• Hydrogen & Oxygen

• Nitrogen & Oxygen

• Hydrogen & Helium

• Oxygen & Helium