Components of the Universe, Em Spectrum, HR Diagrams-IPC

Which of the following describes a nebula?

• A cloud of gas and dust where new stars form

• An oval-shaped cluster of densely packed stars

• An explosion at the end of a giant star’s life

• A star and all the planets that revolve around it

A spiral galaxy is best described as an extremely large group of stars -

• arranged in arms encircling a dense center.

• all packed into a spherical, dense center.

• arranged in the shape of a flattened ball.

• and gases arranged in no specific shape.

Tags

NGSS.MS-ESS1-2

Galaxies are classified by their shapes into all of the following types EXCEPT -

• spiral galaxy

• irregular galaxy

• oblong galaxy

• elliptical galaxy

On the H-R diagram, the Sun is a _____.

• Main Sequence star
• Red Giant
• White Dwarf
• Blue Giant

Tags

NGSS.HS-ESS1-1

Where is gamma on the EM spectrum?

• 3
• 5
• 7
• 1

Tags

NGSS.MS-PS4-1

Which one has the lowest frequency?

• Visible Light
• Microwave
• Radio
• Gamma

Put the EM waves in increasing frequency

• visible light, microwave, gamma

• infrared, microwave, radio

• ultraviolet, radio, x-ray

• radio, visible light, ultraviolet

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False