Solar System #1
Planets orbit around _______
The Sun
Which planet has a watery surface?
Earth
The four planets closest to the sun are called ________.
Inner Planets
The four planets furthest from the sun are called the ________.
Outer Planets
Causes high and low tides.
Gravitational pull of the moon
Name the planet closest to the sun.
Mercury
The reflective property of a surface
Albedo
Before the solar system formed, it was this.
Nebula
True or false? The solar system is completely formed and it took 4.6 billion years.
False, the solar system is still forming.
The point at which the solar system rotates around
Barycenter
Name outer planets
Jupiter, Saturn, Uranus, Neptune (Pluto)
Name the inner planets
Mercury, Venus, Earth, Mars
The name of the theory of how the solar system formed.
The Nebular Theory
The distance between the Earth and the Sun, used as a standard measurement.
Astronomical Unit.
According to Kepler's second law, the closer a planet is to the sun, the ___________ it moves.
Faster
How long does it take for Earth to make its trip around the sun?
365 days or 1 year
The property of Earth that deflects gamma and x ray radiation.
Magnetic Field
What separates the inner and outer planets?
The force between two objects. The larger the objects the objects the greater the force.
Gravity.
The process that occurs in the sun that release massive amounts of energy.
Nuclear Fusion
The ozone layer protects the earth from which wavelength of light
Ultraviolet
What is the name of the closest star to earth?
The Sun
According to Kepler's First Law, planets are moving in these types of paths.
Elliptical
The reason Earth has seasons.
It rotates on a 23.5 degree axis.
This type of electromagnetic radiation has the highest energy
Gamma Radiation