Science Final: Kaelyn & Alan - PT. 5) Gravity and Our Solar System
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19 Terms
What makes Jupiter easier to see than Mars?
It is larger than Mars, so it appears to be brighter
3 multiple choice options
What is an astronomical unit (AU)?
A unit of measurement that is about the distance of the Earth to the Sun
3 multiple choice options
A solar system is a system...
made up of a star and all the objects around it.
3 multiple choice options
Which planet exerts the strongest gravitational force in our solar system?
Jupiter.
3 multiple choice options
Which of these is NOT a requirement for a celestial object to be considered a planet?
It has to have a moon.
3 multiple choice options
Why do planets have a nearly spherical shape?
Gravitational forces in large objects pull matter towards their centers.
3 multiple choice options
At about what speed does the Earth move around the sun?
30 km/s.
3 multiple choice options
Which gravitational force is the strongest?
The force on a baseball from Earth.
3 multiple choice options
Which of these statements is true regarding the number of moons in the solar system?
Planets in the solar system have different numbers of moons.
Most asteroids are found in our solar system between the orbits of
Mars and Jupiter in the main asteroid belt.
3 multiple choice options
Mercury is so difficult to see from Earth because it is
hidden by the glare of the sun.
3 multiple choice options
Why does Earth constantly revolve around the Sun?
Earth's speed allows it to resist the pull of the gravitational force between Earth and the sun.
3 multiple choice options
What does the strength of gravitational force depend on?
Mass and distance.
3 multiple choice options
Which of these statements is NOT true of dwarf planets?
Dwarf planets have cleared the neighborhood around their orbit.
3 multiple choice options
Neptune is the hardest planet to see because it is
very dim and similar in appearance to the stars.
3 multiple choice options
Which planets are more likely to form systems of moons?
Massive planets
2 multiple choice options
What is gravitational force?
An attractive force between all objects that have mass.
3 multiple choice options
Why do Mercury and Venus appear to have phases?
The Sun shines only on the half of each planet that is facing the Sun.
3 multiple choice options
Which of these would be considered a natural satellite?
Saturn's moon
3 multiple choice options