What is a group of stars that, when seen from Earth, forms a pattern?
100
Rotation
What is the spinning of a planet on its axis?
100
A comet
What is an object in space made mostly of dust called?
100
Mercury
A. Which planet is closest to the Sun?
B. Which planet is furthest from the Sun?
A. Which planet is closest to the Sun?
100
The terrestrial planets: Mercury, Venus, Earth, and Mars
A. Which planets are made mostly of rock and metal?
B. Which planets are made mostly of hydrogen and helium?
A. Which planets are made mostly of rock and metal?
200
Gravitational force
What is the force of attraction between all objects called?
200
A meteor
What is a chunk of burning rock travelling through Earth's atmosphere?
200
The Solar System
What is the Sun and all objects that are bound by gravitational force to the Sun called?
200
Venus
A. What is the coldest planet in our solar system?
B. What is the hottest planet in our solar system?
B. What is the hottest planet in our solar system?
200
Between Mars and Jupiter
A. Where is the Asteroid Belt?
B. Where is the Kuiper Belt?
A. Where is the Asteroid Belt?
300
A meteorite
What is a meteor that passes through Earth's atmosphere and strikes the ground?
300
A lunar eclipse
What is an event that occurs when the Moon passes through Earth's shadow?
300
The lunar cycle
What is the cycle of changes in the appearance of the moon due to the positions of Earth, the Moon and the Sun?
300
Jupiter
A. Which planet is the largest of all planets in our solar system?
B. Which planet is the smallest of all planets in our solar system?
A. Which planet is the largest of all planets in our solar system?
300
The planets move faster
A. Do the planets orbit faster when they are closer to the Sun?
B. Do the planets orbit faster when they are farther from the Sun?
A. Do the planets orbit faster when they are closer to the sun?
400
An asteroid
What is an object that orbits the Sun but is too small to be considered a planet called?
400
An orbit
What is a regular, repeating path that an object in space follows around another object?
400
The axis
What is the imaginary line that passes through the center of a planet from pole to pole?
400
Uranus
A. Which planet is tilted 98 degrees to the plane of its orbit
B. Which planet is tilted 2 degrees to the plane of its orbit?
A. Which planet is tilted 98 degrees to the plane of its orbit?
400
Elliptical
A. What shape do stars orbit in?
B. What shape do the planets orbit in?
B. What shape do the planets orbit in?
500
A moon
What is a natural satellite orbiting a planet or other body, such as a dwarf planet called?
500
Tides
What is the cycle of rising and falling ocean levels called?
500
A solar eclipse
What is an event that occurs when the Moon's shadow falls of Earth?
500
Neptune
A. What is the outermost terrestrial planet?
B. What is the outermost gas planet?
B. What is the outermost gas planet?
500
The Earth's tilt
A. What causes the seasons on Earth?
B. What causes the oceans' tides?