Key Terms
A large celestial body made of gas that emits heat and light
What is a star?
The third planet from the sun
What is Earth?
The number of moons that Earth has
What is one?
This causes day and nights on the Earth
The collection of planets and other celestial bodies that orbit a star
What is a solar system?
Planets made up of primarily rock or metal
What are terrestrial planets?
The largest moon of Saturn
What is Titan?
Your ______ would be lower on the moon than on the earth
What is weight?
What is 365 days?
The force that pulls objects toward one another
What is gravity?
The four gas giants in our solar system
What are Jupiter, Saturn, Uranus, and Neptune?
The planet with the most moons in our solar system
What is Jupiter?
If you went to _____, your weight would increase
What is [any planet larger than Earth]? (Jupiter, Saturn, Uranus, Neptune)
_________ result from the earth's tilt and its orbit around the sun
What are seasons?
A natural satellite that orbits a planet
What is a moon?
The thick atmosphere on Venus leads to this effect
The phenomenon that occurs when the Earth blocks sunlight from reaching the Moon
What is a lunar eclipse?
Your ______ remains the same everywhere
What is mass?
The place where you would receive approximately 12 hours of sunlight each day year round
What is the equator?
A meteor that has landed on Earth
What is a meteorite?
The primary composition of gas giants
What are hydrogen and helium?
The reason some planets have more moons than others.
What is their size and gravitational pull?
The ratio between your weight on Earth and your weight on the moon
What is 6:1 (or "6 times as much", etc.)?
The phenomenon when the moon blocks out most of the light from the sun, but a ring of sunlight remains visible
What is an annual solar eclipse?