Star's properties Test Review

Multiple Choice

What characteristics are used to classify stars?

• Flammability, weight, and reactivity

• Temperature/color and brightness

• Conductivity, luster, and density

• Malleability, distance, and viscoscity

Multiple Choice

Which is an example of a Main Sequence star?

• Betelgeuse
• our Sun
• Sirius B
• Polaris

Multiple Choice

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

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

Multiple Choice

How does the size of a star affect its brightness?

• The larger the star is, the dimmer it will appear.

• The larger the star is, the brighter it will appear.

• It is easier to see the shape of a star when it is larger.

• Size does not affect the brightness of a star.

Multiple Choice

What is the name for this giant loop of energy leaping from the solar surface? 

• aurora
• prominence
• solar flare
• sunspot

Multiple Choice

What is an explosion on the sun that gives out huge amounts of energy?

• Sun Spot
• Solar Flare
• Sun Ray
• Sun Gases

Multiple Choice

Which layer of the sun is the hottest?

• Photosphere
• Chromosphere
• Corona
• Core

Multiple Choice

Label part 6

• #6 Prominences
• #6 Corona
• #6 Sunspots
• #6 Photosphere

Multiple Choice

What layer can be seen here?

• chromosphere
• corona
• photosphere
• core

Multiple Choice

Use the diagram to the left to answer the following question:

How would scientists describe the properties of Star X compared to the Sun?

• Star X is dimmer and hotter than the Sun.

• Star X is brighter and hotter than the Sun.

• Star X is brighter and cooler than the Sun.

• Star X is dimmer and cooler than the Sun.

Multiple Choice

The table compiles information about two stars.

What statement explains the difference between how Sirius and Betelgeuse appear from

Earth?

• Sirius appears brighter because it is closer to Earth.

• Betelgeuse appears brighter because it is closer to Earth.

• Sirius appears brighter because it has a greater absolute brightness.

• Betelgeuse appears brighter because it has a greater absolute brightness.

Multiple Choice

Apparent (magnitude) brightness is affected by a star's distance from Earth.

• False
• True

Multiple Choice

Which property of a star is the brightness of a star at a standard distance?

• Apparent (magnitude) brightness
• Absolute (magnitude) brightness
• Luminosity
• Size of the star

Multiple Choice

Where on the H-R diagram would you find the dimmest stars?

• At the top
• Giants
• At the bottom
• Main Sequence

Multiple Choice

Which answer choice below accurately compares two different stars?

• White dwarfs are hotter and brighter than red giants

• Blue supergiants are brighter and cooler than red giants.

• Red Supergiants are cooler and brighter than white dwarfs.

• Red Supergiants are cooler and brighter than white dwarfs.