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PLANETS
VOCABULARY
Columbus
EARTH
ERATOSTHENES
100
This planet's day is longer than it's year and it has very little atmosphere.
What is Mercury?
100
This term means the distance above the surface of Earth.
What is elevation?
100
This is the year Columbus made his first journey to the new world.
What is 1492.
100
Name three man-made structures that would stand out in an ariel view of a city.
What road, buildings, bridges, stadiums, etc.
100
Eratosthenes was famous for this.
What is using shadows to prove the Earth was round.
200
This planet rotates on its side.
What is Neptune?
200
A term used to describe the position from which an observation is made
What is point of view?
200
This is why Columbus was interested in finding a new route to India.
What is he wanted to find a shortcut to the Indies so he could becomet he richest merchant of all!
200
Name three natural objects that would stand out in an ariel photo of a city.
What rivers, bays, parks, hills, mountains, etc.
200
Eratosthenes used his observations of this to prove his point.
What are wells?
300
This planet has acid rain and its atmosphere is extremely hot.
What is Venus?
300
A star and all of the planets, moons,a nd other material that orbit the star is . . .
What is a planetary system?
300
This is what Columbus argued with the professors about.
What is how big Earth is?
300
The effect keeps the Earth warm, but it also could cause the Earth to overheat.
What is the greenhouse effect?
300
Eratosthenes set up these objects in Syene and Alexandria to prove his point.
What are poles?
400
This planet has the most known moons.
What is Saturn?
400
The term used to describe the place where the sky and Earth appear to meet is . . .
What is the horizon?
400
This is why captains did not plan trips longer than a month.
What is the ships could not carry enough food or water to sail more than a month.
400
This is the only manmade object that astronauts can see from outer space.
What is the Great Wall of China?
400
This was the angle of the shadow at Alexandria that Eratosthenes measured.
What is 7.2 degrees?
500
This is the order of the planets, starting at the sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
500
The term used to describe the straight path taken from an object to a peron's eye.
What is line of sight?
500
Name at least one other explorer or exploring group that most likely "discovered" the new world before Columbus.
What are Herjolfsson, Leif Ericsson, Hwui Shan, African sea-roving traders?
500
This is the circumference of the Earth.
What is about 40,000 km or 25,000 miles?
500
This is the measurement Eratosthenes used to find the distance between Alexandria and Syene.
What is a stadium?