Category 1: The Solar System
$100: What is the largest planet in our solar system?
(Jupiter)
$100: How many days does it take for the moon to complete one orbit around Earth?
(29.5 days)
$100: What are the two types of eclipses?
(Solar and Lunar)
$100: What causes day and night?
(Earth’s rotation)
$100: What is the term for the amount of sunlight received by an area?
(Insolation)
$200: What force keeps planets in orbit around the sun?
(Gravity)
$200: What phase comes after a full moon?
(Waning gibbous)
$200: During which moon phase does a solar eclipse occur?
(New Moon)
$200: What is the imaginary line Earth spins around?
(Axis)
$200: Why are the North and South Poles the coldest places on Earth?
(They receive less direct sunlight due to Earth's tilt.)
$300: What two planets are known as "gas giants" besides Jupiter?
(Saturn and Neptune)
$300: Why does the moon appear to change shape in the sky?
(It reflects sunlight and moves through different phases.)
$300: What is the darkest part of a shadow during an eclipse called?
(Umbra)
$300: How long does it take Earth to complete one revolution around the Sun?
(365.25 days)
$300: What day has the longest daylight in the Northern Hemisphere?
(Summer Solstice - June 21)
$400: What is the name of the region beyond Neptune that contains icy bodies?
(Kuiper Belt)
$400: What is the term for when the moon blocks the Sun?
(Solar eclipse)
$400: What causes a total solar eclipse?
(The moon completely covers the Sun from Earth's view.)
$400: What causes different seasons on Earth?
(The tilt of Earth's axis and its revolution around the Sun.)
$400: When is the Sun closest to Earth in its orbit?
(January - Perihelion)
$500: What is the name of the model that states the Sun is at the center of the solar system?
(Heliocentric model)
$500: What causes a lunar eclipse?
(The Earth blocks sunlight from reaching the moon.)
$500: Why don’t eclipses happen every month?
(The Moon's orbit is tilted compared to Earth’s orbit.)
$500: What is the term for when the Sun is directly over the equator, resulting in equal day and night?
(Equinox)
$500: What happens to shadows as the Sun gets higher in the sky?
(They become shorter.)