Podcast
Questions and Answers
What is the highest cloud in Earth's atmosphere?
What is the highest cloud in Earth's atmosphere?
- Stratosphere
- Mesosphere (correct)
- Cryosphere
- Troposphere
Which layer of the Earth is tasked with holding all the air plants need for photosynthesis and animals need to breathe?
Which layer of the Earth is tasked with holding all the air plants need for photosynthesis and animals need to breathe?
- Troposphere (correct)
- Geosphere
- Stratosphere
- Mesosphere
What is the composition of the oceanic crust?
What is the composition of the oceanic crust?
- Dense iron, magnesium, and silicate rocks (correct)
- Metal and rocky material
- Sodium, potassium, aluminum, and silicate rocks
- Silicate rocks rich in iron and magnesium
What is the main component of the upper mantle?
What is the main component of the upper mantle?
What is the densest layer of the Earth?
What is the densest layer of the Earth?
Which celestial body is known for consisting of ice, dust, and rocky material?
Which celestial body is known for consisting of ice, dust, and rocky material?
What is the basic unit of all matter?
What is the basic unit of all matter?
What is a group of cells with specialized function called?
What is a group of cells with specialized function called?
Which layer of Earth gets colder with altitude?
Which layer of Earth gets colder with altitude?
What is a subset of the hydrosphere that contains frozen water?
What is a subset of the hydrosphere that contains frozen water?
What event allowed all the universe's known matter and energy to spring from some ancient and unknown type of energy?
What event allowed all the universe's known matter and energy to spring from some ancient and unknown type of energy?
During which phase of the big bang were light elements like deuterium, lithium, and helium created?
During which phase of the big bang were light elements like deuterium, lithium, and helium created?
What did the Wilkinson Microwave Anisotropy Probe (WMAP) measure?
What did the Wilkinson Microwave Anisotropy Probe (WMAP) measure?
According to the encounter hypothesis, what happens when a rogue star passes close to the sun?
According to the encounter hypothesis, what happens when a rogue star passes close to the sun?
What does the nebular hypothesis propose as the mechanism for planet formation?
What does the nebular hypothesis propose as the mechanism for planet formation?
Which region of the Milky Way galaxy is filled with cold molecular hydrogen gas?
Which region of the Milky Way galaxy is filled with cold molecular hydrogen gas?
What are the major types of planets based on their composition?
What are the major types of planets based on their composition?
What characteristic of Earth supports various life forms by acting as a solvent?
What characteristic of Earth supports various life forms by acting as a solvent?
What key function does Earth's magnetic field serve?
What key function does Earth's magnetic field serve?
What layer of Earth's atmosphere merges with the solar wind?
What layer of Earth's atmosphere merges with the solar wind?
