Stars

Stars are formed from big clouds of gas and dust known as:

• dust cloud

• space fog

• neutron clouds

• stellar nebulae

The stable and longest lasting period of a star’s life cycle is called:

• The birth of a star

• Nebula

• Neutron star

• Main Sequence

Our sun is currently in what star stage?

• Protostar

• Nebula

• Main Sequence

• Red Giant

Once a star has used up all of the hydrogen it moves from the main sequence to this stage:

• Neutron Star

• White Dwarfs

• Red Giants

• Black Holes

When a MASSIVE star begins to cool and expand it is known as a:

• Black Dwarf

• Red Giant

• Red Supergiant

• White Dwarf

After a supernova, the core can collapse into a neutron star, or if massive enough it can become a:

• Black Hole

• White Dwarf

• Red Supergiant

• Black Dwarf

A black hole is black because:

• there is nothing in it

• it is too small to see

• it is inherently evil

• even light cannot escape its gravity

______________ is the energy that can travel through space in the form of waves.

• telescopes

• electromagnetic spectrum

• observatory

Which of the following types of electromagnetic radiation has the most energy

• infrared

• ultraviolet

• microwaves

• radiowaves

Put the visible light colors in order from longest wavelength to shortest wavelength

• Violet, Indigo, Blue, Green, Orange, Yellow, Red
• Red, Yellow, Green, Orange, Violet, Blue, Indigo
• Red, Orange, Yellow, Green, Blue, Indigo, Violet