Weather Navigation Disease Astronomy Ocean

100

What is wind?
Caused by differences in atmospheric pressure, it is an element needed for sailing.

100

What is a compass?
An instrument used for navigation that shows direction relative to the geographic cardinal directions (or points).

100

What is hand washing?
The most effective way to stop the spread of disease.

100

What is the sun?
The star at the center of our solar system.

100

What is the Atlantic Ocean?
The body of water steamships crossed to bring European immigrants to America.

200

What is an iceberg?
A massive floating body that broke off of a glacier and what caused the Titanic to go down.

200

What is celestial navigation?
A method for navigating using the stars in the night sky.

200

What is sea-sickness?
Nausea and vomiting caused by the rocking of a ship.

200

What is Mars?
The red planet, fourth from the sun, and its period of revolution is 687 days compared to Earth's 365 days.

200

What is a sailing vessel?
The type of ship that used wind and currents before the invention of the steam engine for power.

300

What is a thermometer?
An instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol that expands and contracts in the tube with heating and cooling.

300

What is a sextant?
An instrument with a graduated arc of 60° and a sighting mechanism, used for measuring the angular distances between objects and especially for taking altitudes in navigation.

300

What is measles?
A highly contagious infection with symptoms typically include fever, cough, runny nose, and inflamed eyes. A red, flat rash which usually starts on the face and then spreads to the rest of the body typically begins 3 to 5 days after the start of symptoms. Today, vaccines mostly eradicated this disease.

300

What is Polaris or the North Star?
The star above the Plough otherwise known as the Big Dipper or the Saucepan that is often used for navigating.

300

What is climate?
Ocean currents greatly affect Earth's ______ by transferring heat from the tropics to the polar regions.

400

What is a barometer?
An instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.

400

What is dead reckoning?
the process of calculating one's position, especially at sea, by estimating the direction and distance traveled rather than by using landmarks, astronomical observations, or electronic navigation methods.

400

What is a quarantine?
Used to separate and restrict the movement of people; it is a 'state of enforced isolation'. This is often used in connection to disease and illness, and stations at ports of immigration in the United States used these to stop the spread of disease.

400

What is an equinox?
The moment in which the plane of Earth's equator passes through the center of the Sun's disk, which occurs twice each year, around March 20 and September 23.

400

What are currents?
Horizontal water movements generated by forces such as breaking waves, wind, the Coriolis effect, cabbeling, temperature, and salinity differences.

500

What is a hygrometer?
An instrument used for measuring the water vapor in the atmosphere. Humidity measurement instruments usually rely on measurements of some other quantity such as temperature, pressure, mass or a mechanical or electrical change in a substance as moisture is absorbed.

500

What is a raven?
The bird the Vikings used to determine whether land was near as an early form of navigation.

500

What is steerage or third class?
What class of passengers had to go through the most rigorous inspections upon landing in America.

500

Who is Copernicus?
He lived from 1473-1543 and wrote a book claiming that the Sun was the center of our solar system with the planets revolving around it.

500

What is tides?
Wind, water density, and _______ all drive ocean currents.

Science

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