Example 12.3.1.
What is a comet?
- A type of asteroid
- A small, icy celestial body
- A planet in our solar systemd
- A star with a tail
Solution.
b.
Section 12.3 Examples
Example 12.3.2.
What is the difference between a comet and an asteroid?
- Comets are larger than asteroids
- Comets are made of rock and metal, while asteroids are made of ice and dust
- Comets have a tail, while asteroids do not
- Comets orbit the sun, while asteroids orbit other planets
Solution.
c.
Example 12.3.3.
What is a comet’s tail made of?
- Gas and dust
- Ice and rock
- Iron and nickel
- Water and oils
Solution.
a.
Example 12.3.4.
What causes a comet’s tail to form?
- Solar wind pushing gas and dust away from the nucleus
- Collision with other celestial bodies
- Nuclear fission within the nucleus
- The gravitational pull of nearby planets
Solution.
a.
Example 12.3.5.
What is a shooting star?
- A star that is falling to Earth
- A type of comet
- A meteor burning up in Earth’s atmosphere
- A distant galaxy
Solution.
c.
Example 12.3.6.
At which time in a year a meteor showers occurs
- at the same time each year
- At various time throughout the year
- whenever solar eclipses happen
- whenever lunar eclipses happen
Solution.
b.
Example 12.3.7.
Which planet has the most known moons?
- Earth
- Mars
- Jupiter
- Uranus
Example 12.3.8.
What is the largest planet in our solar system?
- Earth
- Saturn
- Jupiter
- Neptune
Answer.
c.
Example 12.3.9.
Which planet looks nearly to the moon?
- Jupiter
- Mercury
- Venus
- Saturn
Answer.
c.
Example 12.3.10.
What is a solar eclipse?
- When the Moon passes between the Earth and the Sun
- When the Earth passes between the Sun and the Moon
- When the Moon passes through the Earth’s shadow
- When the Earth passes through the Moon’s shadow
Answer.
a.
