CBA 3 - E&SS

The ____________________ is an imaginary line that divides the Earth at the center between north and south.

• Tropic of Capricorn

• Tropic of Cancer

• equator

• Prime Meridian

The _____________ and ____________ separate the earth into the Eastern and Western hemispheres.

• Tropic of Capricorn

• The Prime Meridian

• Tropic of Cancer

• International Date Line

The Earth takes approximately 365.25 days to revolve around the Sun. To account for the time beyond 365 days, we add a day to the calendar __________.

• Every other year

• Every third year

• Every fourth year

• Every fifth year

__________ proposed a heliocentric model, in which the planets orbit the Sun.

• Galileo

• Kepler

• Copernicus

• Eratosthenes

The apparent deflection of the winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is known as the

• Doppler effect.

• Revolutional effect.

• Rotational effect.

• Coriolis effect.

The Coriolis effect is caused by _____.

• Earth's rotation

• Earth's revolution

• Gravity

During what time of the year are daylight and nighttime hours nearly equal in length?

• A Solstice

• An Equinox

What occurs when the Sun's rays shine most directly at the Tropic of Cancer or the Tropic of Capricorn?

• A Solstice

• An Equinox

Earth’s magnetic field is a clue that Earth's core must be made of ​

• metal

• rock

​ The youngest seafloor is at the ridge and the ages get older the ​ ____________   you get from the ridge.

• farther

• nearer