What type of motion causes the cycle of day and night on Earth?

Rotation

Fill in the blank: Earth's movement around the Sun is called ______.

Revolution

True or False: The Earth's axis is tilted at an angle of 23½° from the vertical.

True

Which of the following is true about the Coriolis effect? A) It affects only ocean currents B) It deflects winds to the left in the Northern Hemisphere C) It is caused by Earth's rotation D) It has no impact on weather patterns

C) It is caused by Earth's rotation

Riddle: I am an imaginary line that separates the light from the dark on Earth. What am I?

Circle of Illumination

How long does it take for the Earth to complete one revolution around the Sun?

365¼ days

Fill in the blank: The closest position of Earth to the Sun is called ______.

Perihelion

True or False: The summer solstice occurs when the Sun's rays are directly over the Tropic of Capricorn.

False. The summer solstice occurs when the Sun's rays are directly over the Tropic of Cancer.

What is the rotational speed of the Earth at the equator?

About 1,670 km per hour

Which season occurs in the Northern Hemisphere when the North Pole is tilted toward the Sun?

Summer

Fill in the blank: A year with 366 days is called a ______.

Leap year

True or False: The Earth's elliptical orbit results in a constant distance from the Sun throughout the year.

False. The distance between the Earth and Sun varies slightly due to the elliptical orbit.

Riddle: I am the time when the Sun is up to 18° below the horizon, creating diffused light in the sky. What am I?

Twilight

Fill in the blank: The period when day and night are of equal length is called an ______.

Equinox

Which of the following describes the winter solstice? A) Longest day of the year B) Sun over the Tropic of Cancer C) Shortest day of the year D) Equal day and night

C) Shortest day of the year

True or False: The tilt of the Earth's axis is the reason for the occurrence of seasons.

True

What is the effect of Earth's inclination on seasons?

It causes opposite seasons in the Northern and Southern Hemispheres.