Properties of Stars

​Properties of Stars

By Yesenia Colon Irizarry

1. Get the document from the front table.  

2. -ADD THE NUMBERS YOU SEE IN RED -->  

3. Follow along with the presentation to complete the content and take your notes.

4. Ensure you complete all activities in the Quizizz for a separate grade.

​

Instructions-PLEASE READ!

Open Ended

Look at the scattered stars in the Sagittarius constellation.

What are some observations you can already make about these stars?

​9. Use the terms appartent magnitude and absolute brightness to explain why the flashlight appears brighter as it gets closer.

H-R Diagram

Answer the following questions for a grade!

Multiple Choice

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made up of gas that give off light

• faint dots of light that can be seen from Earth’s surface

• objects that form in the outer parts of the solar system

Multiple Choice

One physical property of a star is apparent magnitude. Which of the following is used in determining the apparent magnitude of a star?

• the constellation the star is in

• the distance the star is from Earth

• the number of times the star rotates

• the number of prominences the star makes

Multiple Choice

The chart below displays the names of different stars and their colors. Which of the groups below best orders the stars from hottest to coolest?

• A. Antares, Spica, Sun, Aldebaran

• B. Sun, Spica, Antares, Aldebaran

• C. Spica, Sun, Aldebaran, Antares

• D. Antares, Aldebaran, Sun, Spica

Multiple Choice

One physical property of a star is absolute brightness. Which of the following is used in determining the absolute brightness of a star?

• how bright the star actually is

• how bright the star appears to be from the Earth

• the number of prominences the star makes

• the direction the star rotates

Multiple Choice

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

Multiple Choice

Stars that are very bright, large & burn at the highest temperature

• Blue Giant stars

• Red Giant

• White dwarves

• Proton stars

Multiple Choice

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

Multiple Choice

What is the Hertzsprung-Russel Diagram?

• A map which tells the approximate location of stars in the Milky Way galaxy and their distance from Earth.

• A table that alphabetically lists stars by name and includes dates of when the star was first charted.

• A chart which organizes stars into categories based on the amount of Hydrogen they burn.

• A graph used to classify stars according to their luminosity, color, temperature, and stage.

Multiple Choice

Which category is our Sun located in?

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

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

Which color would indicate the coldest star?

• Red

• Blue

• White

• Yellow

Multiple Choice

Destiny was looking at different stars in the night sky with her telescope and noticed that some stars were red while other stars were blue. What answer choice below best describes why a star would appear to have a different color?

• Blue stars are hotter than red stars.

• Red stars are hotter than blue stars.

• Blue stars are closer to Earth than red stars.

• Red stars are closer to Earth than blue stars.

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

Put the stars in order from coolest to hottest.

• Blue, White, Yellow, Orange, Red
• Red, Orange, Yellow, White, Blue
• Red, Orange, Yellow, Blue, White
• Red, Yellow, Orange, White, Blue

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

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

• False
• True