Chapters 1-5
Country where the Great Wall was built
What is China?
Sir Isaac Newton concluded a falling apple and the moon circling the earth had this in common.
What is gravity?
they explored the the Missouri River and the Louisiana Territory.
Who were Louis and Clark?
This scientist created the first barometer
Who was Torricelli?
the primary factor that gives ocean currents (and air currents) their life
what is temperature differences?
He was the first European to explore China
Who was Marco Polo?
This oceans name means "peaceful"
What is Pacific?
The origin of this river is snow in Africa's great central highlands.
What is the Nile.
he designed, built and flew the first hydrogen-filled balloon
Who was Professor Jacques Charles?
it is the name of Sir Isaac Newtons book
What is Principia?
A tool was used to measure latitude and told sailors how many degrees or miles above or below the equator their ship was.
What is the cross staff?
He discovered the island of Greenland.
Who was Eric the Red?
a large body of ice on land.
What is a glacier?
Together they built the first hot air balloon.
Who were the Montgolfier's?
these are made by the accumulation of snowflakes over time and get larger as snow compresses into ice.
What are glaciers?
The name of the constellation where the big dipper is located?
What is Ursa Major?
He invented the grandfather clock.
Who was Christopher Huygens?
the time period that caused the creation of the Great Lakes as well as an ice sheet all the way to the Mediterranean sea.
What is The Ice Age?
He was the first person to study heavier-than-air flight
Who was Leonardo da Vinci?
what did the combination of the lunar eclipse, a ship sailing out to sea, and the North star being higher in the north than in the south proved to the Greeks
What is the knowledge that the earth is round?
This number is the actual circumference of the earth.
What is 24,875 miles
The movement of heat by currents within a substance.
What is convection?
these are formed when surface water is cooled in polar regions and warm water from the equator flows out to take its place.
What is ocean currents?
This man graduated for the US Naval Academy, flew over both poles, established a scientific base in Antarctica named little America and made a trip around the world by himself at age 12.
Who was Richard E. Byrd?
Large tides caused by the sun and the new moon
What are spring tides?