Understanding Motion in Space

What is the main difference between rotation and orbit?

• Rotation is the movement of an object around another object, while orbit is the spinning of an object on its axis.

• Rotation is the spinning of an object on its axis, while orbit is the movement of an object around another object.

• Both rotation and orbit refer to the spinning of an object on its axis.

• Both rotation and orbit refer to the movement of an object around another object.

What is the rotational period of the Earth?

• 24 hours

• 365 days

• 30 days

• 12 hours

What is the orbital period of the Earth around the Sun?

• 24 hours

• 365 days

• 30 days

• 12 months

Which of the following is responsible for the changing seasons on Earth?

• The distance of Earth from the Sun

• The tilt of Earth's axis

• The speed of Earth's rotation

• The shape of Earth's orbit

What is an equinox?

• The longest day of the year

• The shortest day of the year

• A day when day and night are of equal length

• A day when the Sun is directly overhead at noon

What is a solstice?

• A day when day and night are of equal length

• A day when the Sun is directly overhead at noon

• The longest or shortest day of the year

• A day when the Moon is full

How many main phases does the Moon have?

• 4

• 6

• 8

• 10

What is a lunar eclipse?

• When the Moon passes between the Earth and the Sun

• When the Earth passes between the Sun and the Moon

• When the Sun passes between the Earth and the Moon

• When the Moon is at its farthest point from the Earth

What is a solar eclipse?

• When the Moon passes between the Earth and the Sun

• When the Earth passes between the Sun and the Moon

• When the Sun passes between the Earth and the Moon

• When the Moon is at its farthest point from the Earth

What does SEM stand for in SEM diagrams?

• Sun, Earth, Moon

• Solar, Equinox, Moon

• Sun, Equator, Moon

• Solar, Earth, Meteor