Nebular Theory
What triggered the initial collapse of the nebular cloud according to the Nebular Theory
What planets are classified as a terrestrial planet?
Mercury
Venus
Earth
Mars
Kepler's First Law states that the sun is located at one of the ____ of a planet's elliptical orbit
Foci
Spring tides occur when:
The Earth, Moon and Sun are aligned
The energy produced by the sun comes primarily from which process?
Nuclear Fusion
What formed from the remaining material after the Sun's formation in the Nebular Theory?
Planets and moons
What characteristic is most common among Jovian planets?
Gas giants
Low density
Kepler's Second Law is also known as the Law of:
Equal Areas
During which phase of the do neap tides occur?
First and third quarters
What is the main element involved in the sun's nuclear fusion process?
Hydrogen
What is the role of angular momentum in the Nebular Theory?
It lead to the formation of a rotating disk
Which planet in the solar system is known for its Great Red Spot
Jupiter
According to Kepler's Laws, which planet take the longest to orbit the sun?
Neptune
Why do we experience different seasons on Earth?
Earth's axis is tilted as it orbits the sun
What two things help protect Earth from harmful solar radiation?
1. Magnetic Field
2. Ozone Layer
What is responsible for the flattening of the solar nebula into a disk?
Collisions of particles inside the rotating disk caused them to align in a plane
Which planet in the solar system is tipped on its side?
Uranus
If the semi-major axis of a planet's orbit is doubled, what happens to the orbital period?
it more than doubles
How can we explain the reason why tides occur twice a day
The moon's gravity pulls on Earth's oceans
What role does solar radiation play in photosynthesis?
It generates energy which provides light and heat
What are the steps of the Nebular Theory
1. Nebular cloud collapse
2. Formation of spinning disk
3. Formation of Sun
4. Planetesimals form
5. Planets and other objects form
Which planet has the most moons?
Jupiter
Which of Kepler's Laws explains why planets move faster when they are closer to the Sun?
Second Law
What effect does the tilt of Earth's axis have on the intensity of seasons?
It causes seasons to be more extreme
How does nuclear fusion in the Sun make life on Earth possible?
Connect fusion --> sunlight --> energy for photosynthesis, climate, habitability