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Fall Semester Review
| Question | Answer |
|---|---|
| Which subatomic particles are in the nucleus of an atom? | Neutrons and protons |
| By looking at the color of a star, astronomers can tell about the- | temperature of the star |
| When the wavelength gets longer, what happens to the frequency? | The frequency gets higher |
| What are galaxies made of? | Dust, gas, stars, planets, and satellites |
| Which of the following is an example of a compound? A. Oxygen B. Helium C.NaCl D.2Fe | C. NaCl |
| How does Newton's first law affect someone who is not wearing a seatbelt during a sudden stop? | THe passengers continue to move forward after the car has stopped. |
| True or False: The sun is the biggest star in the Milky Way galaxy. | False |
| Is burning a candle an example of a chemical reaction? | Yes |
| How long is a light year? | 6 trillion miles |
| How many valence electrons do the noble gasses have? | 8 |
| What is the top of the wave called? | Crest |
| What is the difference between speed and velocity? | Speed is is distance over time and velocity is distance over time in a specific direction. |
| How many groups are on the periodic table? (not including the transition metals) | 8 |
| What do the groups tell you about an element? | The number of valence electrons |
| How many protons does the Argon atom have? | 18 |
Created by:
team_awesome
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