SCIENCE (10-12)

What is the process that stars undergo in their cores?

• Fusion of hydrogen

• Absorption of light

• Emission of radiation

• Reflection of light

How are stars formed?

• From condensing planets

• From materials around a preexisting star

• From nuclear reactions in their cores

• From gas clouds collapsing under gravity

What is the approximate distance of the Sun from Earth?

• 100 million km

• 250 million km

• 200 million km

• 150 million km

What is a blackbody in astronomy?

• A star that emits thermal radiation

• An object that reflects all incoming light

• An object that absorbs all incoming light

• A perfect reflector

What does the color of a star indicate?

• Its size

• Its surface temperature

• Its luminosity

• Its age

What is the smallest type of star in the universe?

• Giant Stars

• Red Dwarf Stars

• Brown Dwarf Stars

• Supermassive Stars

What is the North Star also known as?

• Cassiopeia

• Ursa Major

• Polaris

• Orion

What is the phenomenon that causes the difference between solar calendars?

• Precession

• Revolution

• Ecliptic Plane

• Parallax

How many official constellations are there according to the International Astronomical Union?

• 50

• 88

• 120

• 100

What is the term used to describe the shift of nearby objects when observed from two different positions?

• Ecliptic Plane

• Blackbody

• Asterism

• Parallax