Earth’s Motions & Seasons
What is the term for the time when day and night are equal in length?
Answer: What is the equinox?
What do we call the Moon's changing appearance as it orbits Earth?
Answer: What are moon phases?
What are the gas giants in our Solar System?
Answer: What are Jupiter, Saturn, Uranus, and Neptune?
What is the name of the tool used to observe distant objects in space?
Answer: What is a telescope?
Who developed the heliocentric model of the Solar System?
Answer: Who is Nicolaus Copernicus?
What is the imaginary line that Earth spins around called?
Answer: What is the axis?
What is it called when the Moon is completely dark from Earth's view?
Answer: What is a new moon?
What is a small, rocky object that orbits the Sun?
Answer: What is an asteroid?
What do we call a robot sent into space to collect data?
Answer: What is a space probe?
What is retrograde motion?
Answer: What is when a planet appears to move backward in the sky?
How long does it take for Earth to revolve around the Sun?
Answer: What is 365.25 days?
What is it called when the Moon blocks the Sun, casting a shadow on Earth?
Answer: What is a solar eclipse?
What is the name of the region filled with asteroids between Mars and Jupiter?
Answer: What is the asteroid belt?
What is a light-year?
Answer: What is the distance light travels in one year?
What are seasonal stars?
Answer: What are stars visible in certain seasons due to Earth’s orbit?
What is the term for the spinning of Earth on its axis?
Answer: What is rotation?
What do we call the Moon when it appears to grow larger?
Answer: What is waxing?
What is a comet primarily made of?
Answer: What is ice, dust, and gas?
What is Polaris commonly known as?
Answer: What is the North Star?
What is an epicycle?
Answer: What is a small circular orbit within a larger orbit?
What causes day and night?
Answer: What is the rotation of Earth on its axis?
What is the term for when the Moon appears to shrink?
Answer: What is waning?
What is a dwarf planet?
Answer: What is a round object that orbits the Sun but does not clear its orbit?
What is a satellite?
Answer: What is an object that orbits a planet?
What are wandering stars?
Answer: What are planets that appear to move differently than stars in the night sky?