Characteristics of the universe (TEKS 8.8)

After big bang what type of atom to form?

• Hydrogen

• Radioactivity

• Oxygen

• Helium

what did the big bang start as?

• A explosion

• Whole Universe

• One single point

• Atom

Put these in order from smallest to largest (A galaxy)(B Moon) (C comet)(D solar system)(E planet)(F star)(G nebula)

• CBFEADG

• CBEFDGA

• ABCDEFG

• AGDFEBC

Put these in order from oldest to youngest (A Irregular galaxy)

(B Elliptical galaxy) (C Spiral galaxy)

• B,A,C

• C,B,A

• A,B,C

• B,C,A

Where do stars start to begin life?

• Galaxy

• Supernova

• Nebula

• Protostar

Which wave is the strongest?

• Radio waves

• Gamma rays

• Microwaves

• Cosmic rays

What size star is Sun compared to other stars?

• Super size

• Small size

• Average size

• Medium Size

Which waves are the weakest?

• Radio waves

• Microwaves

• Gamma rays

• Ocean waves

What are stars classified with?

• Names

• HR diagram

• Mass

• Stage it is at in stars life span

What age is the oldest star age?

• 13.7 thousands of years

• 13.7 trillion years

• 13.7 billion years

• 13.7 million years