Why is an astronaut in space considered "weightless"?
Which of the following claims is supported by the data above?
Which of the following affects the gravitational force between the Earth and the Sun?
If you were using a baseball, golf ball, and basketball to model the relative motions of the Earth, Moon, and Sun, what would you have to do?
The inner planets include:
The _____________ of the sun causes the orbital motion of all the objects in the solar system.
Which of the following is responsible for Earth's seasons?
Based on the pattern in the data table, predict the period of Mars' orbit.
Using the diagram, when would you observe a totally dark (new) moon beginning to become illuminated (waxing crescent moon)?
To accurately model a solar eclipse, where would you place the golf ball?
How could you increase the force of gravitational attraction between the Sun and Venus?
Which of the following is a true statement?
If you were making a model of the solar system, which object would be the most accurate to use for Saturn?
Gravity is responsible for which characteristic of galaxies?
Which characteristics distinguish the inner planets from the outer planets?
Which objects make up the solar system?
How could you use these objects to create a model of the lunar cycle?
Which of these planets are outer planets?
Which of these examples would have the greatest force of gravitational attraction?
What is the difference between asteroids and meteoroids?