Podcast
Questions and Answers
What is the main difference between the inner planets and the outer planets?
What is the main difference between the inner planets and the outer planets?
- The inner planets are bigger than the outer planets.
- The inner planets have more moons than the outer planets.
- The outer planets have a solid surface while the inner planets have a gaseous surface.
- The outer planets are colder and larger than the inner planets. (correct)
What is the function of the trachea in the respiratory system?
What is the function of the trachea in the respiratory system?
- Sound production
- Gas exchange
- Protection of the thorax
- Conducting air into and out of the lungs (correct)
Why does a lunar eclipse occur?
Why does a lunar eclipse occur?
- When the moon changes its shape
- When there is a shadow cast by a planet
- When Earth comes between the moon and sun (correct)
- When the sun comes between Earth and the moon
What is the function of alveoli in the respiratory system?
What is the function of alveoli in the respiratory system?
How many moons does Saturn have according to the text?
How many moons does Saturn have according to the text?
What causes day and night on Earth?
What causes day and night on Earth?
Why is it hotter in summer than in winter on Earth?
Why is it hotter in summer than in winter on Earth?
Why do seasons change on Earth?
Why do seasons change on Earth?
What type of planets are Mercury, Venus, Earth, and Mars considered to be?
What type of planets are Mercury, Venus, Earth, and Mars considered to be?
Why does no one see all of the solar system at once?
Why does no one see all of the solar system at once?