Space Objects
A rock or metal object that enters Earth’s atmosphere and burns up
What is a meteoroid/meteor?
he Moon is classified as this type of object
What is a satellite?
Model where Earth is the center of the universe
What is the geocentric model?
The property that keeps moving objects moving unless acted on
What is inertia?
Tide that happens when the Sun, Moon, and Earth are aligned
What is a spring tide?
A giant ball of hot gas that produces its own light and energy
What is a star?
The pattern of stars like the Big Dipper
What is a constellation?
Model where the Sun is at the center of the solar system
What is the heliocentric model?
Why a dropped pencil falls to the ground
What is Earth’s gravity?
Tide that happens when the Sun and Moon are at right angles
What is a neap tide?
A small icy object that orbits the Sun and often has a glowing tail
What is a comet?
The movement of Earth around the Sun
What is revolution?
Scientist who observed Jupiter’s moons
Who is Galileo?
What happens to gravity when distance increases
What is it decreases?
When the Moon blocks the Sun from Earth
What is a solar eclipse?
A rocky object made mostly of metal and rock classified differently from icy objects
What is an asteroid?
The spinning of Earth on its axis
What is rotation?
What Galileo’s observation of Jupiter’s moons supported
What is the heliocentric model?
The relationship between mass and gravity
What is more mass = stronger gravity?
Earth’s tilt causes this
What are seasons?
An object that orbits a planet, is round, and clears its orbit
What is a moon?
The invisible force that keeps planets in orbit
What is gravity?
Evidence that shows Earth is not the center of the universe
What are moons orbiting other planets?
Why planets do not need a constant push to keep orbiting
What is inertia and gravity working together?
When Earth is tilted most toward or away from the Sun causing longest/shortest days
What is a solstice?