Formation and Nature
What process explains how planets formed from particles in a nebula?
What is accretion?
What causes the cycle of sunrise and sunset?
What is Earth's rotation?
Which planet is known for having a thick atmosphere composed mostly of carbon dioxide?
What is Venus?
Arrange the following events in order: The nebula shrinks, nuclear fusion takes place, the nebula flattens into a disk, a cloud of dust and gas forms, and the temperature increases.
: What is the correct order?
How would Earth's tides be affected if the Moon were absent?
What would be the absence of tides?
Which planet takes the longest time to complete its orbit around the Sun?
What is Neptune?
Which statement does NOT support the explanation for how planets formed by accretion?
What occurs during an equinox?
What is day and night are equal in length?
How do the atmospheres of Venus and Neptune differ?
What is Venus has carbon dioxide, while Neptune has methane?
Name the hypothesis that suggests the Moon was formed by the collision of Earth with another Mars-sized body.
What is the giant impact theory?
If Earth began to spin faster, what would happen to the length of summer?
What would summers be colder?
Which two pieces of data indicate that Uranus resides in the outer region of the solar system?
What are its outer layer is made of hydrogen and helium gas, and it contains faint rings?
Describe how the nebula spins and why this is important for planet formation.
What is as gravity pulls the nebula inward, it spins faster, leading to the formation of a disk?
How do tides change with the phases of the Moon?
What are spring and neap tides?
Describe why Earth's unique position allows water to exist in solid, liquid, and gas forms.
What is Earth's distance from the Sun and the temperature range?