Question

Question 6 (1 point)
The most abundant element in all stars is

a
Hydrogen
b
Helium
c
Iron
d
Carbon






This chart above is an example of emission and absorption spectra.

Every element absorbs and emits specific colors of light. So when you have an emission spectra or absorption spectra pattern, you can identify the elements that make up the object giving off those colors of light.

By looking at the light coming from an object, you can determine the materials that make it up. This analysis is called Spectroscopy.

Question 7 (1 point)
Why can stars not be categorized by simply comparing their brightness?

a
Most stars are too far away to be seen from Earth
b
Most stars are moving too quickly to be categorized from Earth
c
Most stars seem equally bright from Earth
d
Most stars are too dim in order to be able to tell the difference between them from Earth

Question 8 (1 point)
Since we cannot classify stars by brightness, what are stars actually classifed by?

a
Temperature and Color
b
Brightness and Color
c
Chemical Make up and Temperature
d
Color and Distance from the Earth
This is a star classification chart by temperature and color





The color of the star depends on the temperature of the star. Scientists can estimate the temperature of a star by its color. They label the different stars by color and temperature.



Our own Sun is classified as a "G-Class" star, due to it's yellowish color.

In terms of size, our Sun is only medium sized when compared to other stars in the Universe

Question 9 (1 point)
What process is the source of all the energy in stars?

a
Nuclear Fusion
b
Nuclear Fission
c
Nuclear Electromagnetism
d
Nuclear Radiation
Question 10 (1 point)
This image is of what is called the 'birthplace of stars'



What is this place called?

a
Corona
b
Nebula
c
Black Hole
d
Galaxy
Question 11 (1 point)
A star's life cycle is measured by

a
The amount of hydrogen fuel is still has left
b
The current color of the star
c
The temporary location of the star
d
The number of heavier atoms produced by the star
Question 12 (1 point)
Put this Massive star in order from Birth to Death

Reorder answers
1.Black hole/Neutron
Reorder answers
2.Large Main Sequence
Reorder answers
3.Nebula
Reorder answers
4.Red Supergiant
Reorder answers
5.Supernova

Answer 1

Here are the answers to your questions:

**Question 6:** The most abundant element in all stars is
**a. Hydrogen**

**Question 7:** Why can stars not be categorized by simply comparing their brightness?
**c. Most stars seem equally bright from Earth**

**Question 8:** Since we cannot classify stars by brightness, what are stars actually classified by?
**a. Temperature and Color**

**Question 9:** What process is the source of all the energy in stars?
**a. Nuclear Fusion**

**Question 10:** What is this place called (the 'birthplace of stars')?
**b. Nebula**

**Question 11:** A star's life cycle is measured by
**a. The amount of hydrogen fuel it still has left**

**Question 12:** Put this massive star in order from Birth to Death
1. **Nebula**
2. **Large Main Sequence**
3. **Red Supergiant**
4. **Supernova**
5. **Black hole/Neutron**

Let me know if you need any further assistance!