EES Study Guide Quiz #1

Planets . . . 

• move rapidly across the sky relative to the stars
• are stationary relative to the stars
• can appear anywhere in the sky
• all move at the same rate relative to the stars

Why does the earth orbit the sun rather than any other body in the solar system?

• the earth is closer to the sun than any other bodies in the solar system
• the rotational motions of all the planets, including earth, cause them to remain in its orbits around the sun
• the mutual repulsions among all the planets  hold earth in its orbit
• the sun is the most massive object, gravitational attraction and is related to mass

According to Kepler's third law which is the shape of every planets orbit around the Sun?

• elliptical
• circular
• oval
• spherical 

What is primarily responsible for the creation of seasons on the Earth?

• the tilt of the sun
• the distance from the sun
• the axial tilt of the Earth
• the reflection of the sun's rays from the Earth

Gravitation is inversely related to

• distance between masses
• square of distance between masses
• direction of masses
• product of magnitude of masses

Force with which everybody attracts every other body is called

• force of friction
• retarding force
• force of gravitation
• none  of the above

Where are the poles located?

• east and west
• north and west
• north and south
• east and south

Earth orbits the sun because there is a ...

• strong magnetic interaction between the Sun and the Earth.  The gravitational interaction between the Sun and the Earth is small.
• gravitational push from the Sun on the Earth. The Sun pushes the Earth away so it does not crash into the Sun.
• gravitational pull from the Sun on the Earth.  The Sun pulls the Earth in the direction of the Earth's orbital path.
• gravitational pull from the Sun on the Earth.  The Earth is pulled toward the Sun, rather than going off in a straight line

Most of the energy used by life on Earth comes from the . . . 

• rotation of the Earth
• weather
• moon
• sun

Light energy is converted to chemical energy through the process of ...

• fermentation
• photosynthesis
• glycolysis
• cellular respiration