Weather
The study of the universe.
Our closest neighbor. Scientists are trying to figure out if we could live there, one day.
Mars
Earth's moon is named this. Come on Spanish speakers!
Luna
The Raiders just moved from Oakland, California to this city. I am sad. 
Las Vegas
The average weather condition in an area over a long period of time. Philadelphia is temperate.
Climate
Name this Constellation! 
Big Dipper!
This Planet takes 365 days to rotate around the sun. It's also in a perfect spot in the Solar System.
Earth
This country was the first into space. The United States was the first to the moon.
Russia
The most populated state in the United States!
California
The movement of air, caused by differences in air pressure.
A very small, hot star that is the leftover center of an old star. The final stage of a Stars life.
White Dwarf
Mr. Sperry's favorite planet. Named after the Roman god of the Sea!
The moon does this when its getting bigger, and this when its getting smaller. 
Waxing/Waning
We saw this country at the beginning of the year. Devils scream in the night.
Tasmania
This "zone" is usually hot, and receives the most sunlight of any other zone. It also receives the most rain.
Tropical Zone
Tropical Rainforest
Our Sun is currently a yellow dwarf. When it expands and cools in Billions of years, it will turn into this!

Red Giant
This planet used to have the most moons, until a recent discovery. Now this planet has the most moons!
Jupiter
Saturn
These two dudes landed on the moon first! USA!

Neil Armstrong
Buzz Aldrin
Philadelphia's best university. Its very hard to get into so you need to work really hard, and be really smart!
Penn
The three gases that make up Earth's atmosphere. Which gas makes up the highest percentage?
Nitrogen, Oxygen, Argon.
Nitrogen
The three types of Galaxies we went over in class! Don't let Mr. Sperry down! 
Spiral, Elliptical, Irregular
Similar to Earth in size. The Magellan spacecraft mapped the entire surface of this planet from 1990 to 1992!
Venus
The name of the first mission to the moon. One small step for man, one giant leap for mankind!
Apollo 11
The largest country in South America. It produces more coffee than any other country! Thank goodness, Mr. Sperry needs his coffee.
Brazil