Final Astronomy Assessment

What are the two factors that influence gravity the most?

• Mass and weight
• Weight and gravity
• Mass and distance
• Weight and distance

Tags

NGSS.MS-PS2-4

The attraction of one mass to another is defined as

• Orbit

• Relative size

• Gravity

• Planetary motion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The _______ of an object is a measure of the amount of matter it contains.

• Energy

• Mass

• Force

• Weight

What happens in the core of a star?

• hydrogen and helium atoms are created

• nuclear fusion

• hydrogen atoms cool helium atoms down

• other stars born

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What does a star mainly consist of? (Tick 2 boxes.)

• helium

• iron

• carbon

• hydrogen

Tags

NGSS.HS-ESS1-3

The period of the earth's orbit around the sun is ____.

• 1 day
• 1 year
• 24 hours
• 364 hours

Tags

NGSS.MS-ESS1-1

Supernova

• Star left at the core of a planetary nebula

• a large cloud of gas or dust in space

• the earliest stage of a star's life

• red super giant explodes

Answer explanation

Tags

NGSS.HS-ESS1-3

Neutron Star

• The remains of a high mass star

• Exerts such a strong gravitational pull that no light escapes

• What a medium-mass star becomes at the end of its life

• The star left at the core of a planetary nebula

Answer explanation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the force that acts on a nebula to cause the formation of a protostar?

• Inertia

• Nuclear Fusion

• Gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

There are 2 points in the life cycle of a star that stars can take different paths. In each of these cases, it is the _______ of the star that determines the path it will take.

• Color

• Mass

• Temperature

• Brightness