Seasons, Day/Night, Solstice, Equinox

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

A solstice event occurs when

• the sun's rays reach their highest or lowest point in respect to the equator

• the sun's rays shine most directly at the equator

• the Earth has it's longest period of daylight hours

An equinox occurs when

• The sun's rays reach their highest or lowest point in respect to the equator

• The sun's rays shine most directly on the equator

• The Earth experiences the greatest period of daylight hours

How many types of Solstices are there?

• 4

• 2

• 1

• 3

Vernal equinox marks the onset of which season?

• Summer

• Autumn

• Spring

• Winter

All of the following are true about equinox events except

• the length of day and night are equal

• the sun's rays reach their highest point above the equator

• the sun's rays shine most directly on the equator

• they occur in March and September

The autumnal equinox will occur for the northern hemisphere in

• March

• September

• June

• December

When the northern hemisphere is experiencing the autumnal equinox, the southern hemisphere is experiencing the

• summer solstice

• winter solstice

• autumnal equinox

• vernal equinox

Shortest day of the year

• Autumnal Equinox
• Summer Solstice 
• Winter Solstice
• Vernal Equinox