Download Week 2 Quiz

Week 2 Quiz
Name: __________________________________________________ Period: _______ Date: __________
Instructions: Write the letter of your answers on the space before each number. Input your answers
into your CPS Clicker System for grade. A
____1. The Barycenter of the Earth and moon is located____________.
A. northern star
B. near earth
C. near the moon
____2. The barycenter is nearer the more ________ object.
a. Faster
B. massive
C. smaller
D. Inside the Earth
D. gravity
____3. The Sun and all the planets in the solar system orbit around their _____________.
a. northern star
B. barycenter
C. precession
D. gravity
____4. The barycenter of the Earth and moon is approximately found _______ below surface of Earth.
a. 1,710 mi.
B. 93 million miles
C. 1,710 km.
D. 100,000 ly
For Item 5-8: Identify which Kepler’s Law Planetary Motion.
Use the following choices to answer items 5-8. You use the choices more than once.
A. First Law
B. Second Law
C. Third Law
____5. Calculate the average distance of a planet from the Sun using orbital period.
____6. Planets orbit faster around the Sun when they are at perihelion.
____7. Planet sweeps out equal areas in equal times.
____8. Planets’ orbit are elliptical.
____9. Kepler’s 3rd Law can determine the _____________of a planet given its distance from the Sun.
A. orbital period
C. length of a year
B. length of a day
D. degree of ellipse of the orbit
____10. The diagram on the right demonstrates Kepler’s ______ Law.
a. 1st
b. 2nd
c. 3rd
d. 4th
____11. The diagram on the right demonstrates Kepler’s
a. 1st
b. 2nd
c. 3rd
d. 4th
_____ Law.
____12. What are tides?
A. The rising or falling of water due to the gravitational attraction of the Earth and the Sun.
B. The rising or falling of water due to the gravitational attraction of the moon and the Sun.
____13. What causes the tides?
A. The gravity of the Sun and Jupiter.
B. The gravity of the moon and Sun.
C. The mass of the Solar system.
D. The barycenter of the Solar system.
____14. What causes Earth’s tidal bulge?
A. Two tidal bulges are created on opposite sides of the Earth due to the moon's gravitational force
and inertias counterbalance.
B.
Two tidal bulges are created on opposite sides of the Earth because the moon does not have an
atmosphere to protect it against meteors.
____15. Why does the moon has more influence to the tides on Earth than the Sun?
A. The moon is smaller and it has no atmosphere.
C. The moon is full of craters.
B. The moon causes spring tide when it is aligned with Sun.
D. The moon is closer to Earth.
____16. Describe the position of the Earth, Moon, and the Sun during Spring tide.
A. Aligned or 180 degrees
B. right angle or 90 degrees
____17. Describe the position of the Earth, Moon, and the Sun during Neap tide.
A. Aligned or 180 degrees
B. right angle or 90 degrees
____18. How do we utilize tides as a source of energy?
A. Turbines are used to convert the pressure of moving water from mechanical to electrical energy.
B. Turbines are used to convert the pressure of moving water from mechanical to chemical energy.
____19. How many high tides and low tides do we have on earth each day?
A. two high tides and two low tides
B. 1 high tide and three Low tides
_____20. How does the tilt of the Earth’s axis affect the seasons?
A. by changing the amount of direct solar energy reaching the surface of Earth
B. by influencing the rate of chemical reactions occurring in the atmosphere
C. by deflecting the harmful rays of radiation emitted by the sun
D. by changing the speed of the rotation of Earth
_____21. Which natural phenomenon occurs as a result of Earth rotating on its axis?
A. movement of tectonic plates
C. deep ocean currents
B. seasonal changes
D. day and night
_____22. Which is an effect of lower levels of solar radiation striking Earth?
A. increased incidences of skin cancer
C. increased phytoplankton activity
B. decreased rates of photosynthesis
D. decreased carbon dioxide levels
Extra Credit: ( 5 pts.)
How do the Earth’s tilt and its revolution around the Sun cause seasons?
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A