Unit 4 Sec 3

Question 1

Coriolis Effect

Answer 1

A phenomenon that causes fluids, like water and air to curve as they travel across or above Earth’s surface.

Question 2

Ecliptic plane

Answer 2

Plane of Earth’s orbit around the Sun.

Question 3

Solstice

Answer 3

Period when the Sun is overhead at its farthest distance either north or south of the equator.

Question 4

Equinox

Answer 4

Time of year during which Earth’s axis is at a 90 degree angle to the sun

Question 5

Waxing

Answer 5

From new moon to full moon

Question 6

Waning

Answer 6

From full moon to new moon

Question 7

Synchronous Rotation

Answer 7

The state at which the moons orbital and rotational periods are equal.

Question 8

Lunar month

Answer 8

The length of time it takes for the moon to go through a complete cycle of phase one new moon to the next.

Question 9

Spring tide

Answer 9

Occur 2 each lunar year long, without regard to the season.

Question 10

Neap tide

Answer 10

Occur during the 1st and 3rd quarter moon when the moon appears “half full” are a little lower and low tides a higher.

Question 11

Solar Eclipse

Answer 11

Occurs when the moon passes directly between the sun and earth and blocks the sun from view.

Question 12

Umbra

Answer 12

The inner, cone-shaped portion of the shadow, which blocks the direct sunlight from Earth.

Question 13

Penumbra

Answer 13

The outer portion of the shadow, where some of the sun’s light still reaches earth.

Question 14

Lunar eclipse

Answer 14

Occurs when the moon passes the through earths shadow

Question 15

Foucault Pendulum

Answer 15

The rotation of the Earth