SailMaine 2018: Pre-Sailing STEM Survey

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Wind is measured by ___________. (Select the best answer) *

1 point

speed

direction

speed and direction

a thermometer

Many sailboats use pulleys (simple machines) to provide sailors with ________. *

1 point

leverage

mechanical advantage

speed

lift

Wind speed is measured using a(n) ____________. *

1 point

Thermometer

Secci Disk

Anemometer

Hydrometer

__________ help sailors indicate wind speed and direction. (Select the best answer) *

1 point

leaves moving on the trees

the telltales on sails

ripples on the water

all of the above

An object that floats in the water is ________________. *

1 point

positively buoyant.

negatively buoyant.

neutrally buoyant.

none of the above.

Why does the wind change throughout the day? *

1 point

The sun's rays are stronger during the day.

Air is heated or cooled by the surface below it.

Water temperature is cooler at night.

The wind blows harder in the afternoon.

I have... *

Never sailed

Sailed a few times

Sailed for 1 year

Sailed for over 1 year

I would like to be a scientist or engineer *

Strongly agree

Agree

Disagree

Strongly Disagree

I am in grade _____. *

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