Seasons, equinox and solstices

Which of the following is the reason that Earth experiences seasons?

• Earth's tilt on its axis

• The revolution of Earth around the Sun

• The rotation of Earth on its axis

Earth is tilted at _____________ degrees.

• 23.5

• 90

• 0

• 25.3

The event pictured at number 4, in the northern hemisphere, is the

• summer solstice

• winter solstice

• autumnal equinox

• vernal equinox

The events labeled 1 and 3 are called

• solstices

• equinoxes

What do June 21 and December 21 have in common?

• equinox dates
• the moon is full
• solstice dates
• the cold fronts blow in

Which definition explains what a solstice is?

• When the days and nights are equal?
• When the Sun is at its lowest or highest.
• When the Sun moves.
• When we don't see any light for 6 months.

On what two days do we experience equal hours of daylight and night? (select two)

• Vernal Equinox

• Summer Solstice

• Autumnal Equinox

• Winter Solstice

On what day do we experience the least amount of sunlight?

• Vernal Equinox

• Summer Solstice

• Autumnal Equinox

• Winter Solstice

Which season has the most intense sunlight?

• Summer

• Winter

• Autumn

• Spring

When are we farthest from the sun in terms of distance?

• Winter Solstice

• Summer Solstice

• Perihelion

• Aphelion