science test 2 Flashcards
when is summer solstice
June 21
What are the four main seasons in a yearly cycle?
Spring, Summer, Autumn (Fall), Winter
True or False: The Earth’s tilt affects the seasons.
True
Fill in the blank: The summer solstice occurs around _____ in the Northern Hemisphere.
June 21
What is the primary reason for the change of seasons?
The axial tilt of the Earth as it orbits the Sun.
During which season do the days become shorter and nights become longer?
Autumn (Fall)
Multiple Choice: Which event marks the beginning of Spring in the Northern Hemisphere? A) Winter Solstice B) Summer Solstice C) Vernal Equinox D) Autumn Equinox
C) Vernal Equinox
What is the winter solstice?
The shortest day and longest night of the year, occurring around December 21 in the Northern Hemisphere.
True or False: The equinoxes occur when day and night are approximately equal in length.
True
What causes the change in temperature during the seasons?
The angle at which sunlight hits the Earth.
Fill in the blank: The autumn equinox occurs around _____ in the Northern Hemisphere.
September 23
Multiple Choice: Which season is characterized by blooming flowers and warmer temperatures? A) Winter B) Spring C) Summer D) Autumn
B) Spring
What is the significance of the summer solstice?
It marks the longest day of the year, occurring around June 21 in the Northern Hemisphere.
True or False: Seasons are the same in both the Northern and Southern Hemispheres.
False
During which season do most trees lose their leaves?
Autumn (Fall)
What is a solstice?
An event that occurs when the Sun is at its highest or lowest point in the sky at noon, marking the longest and shortest days.
Fill in the blank: The winter solstice occurs around _____ in the Northern Hemisphere.
December 21
Multiple Choice: Which season typically has the highest average temperatures? A) Winter B) Spring C) Summer D) Autumn
C) Summer
What phenomenon causes the seasons to be opposite in the Northern and Southern Hemispheres?
The tilt of the Earth’s axis.
True or False: The position of the Earth in its orbit around the Sun affects the seasons.
True
During which season do animals often hibernate?
Winter
What is the vernal equinox?
The event that marks the beginning of Spring, occurring around March 21 in the Northern Hemisphere.
Fill in the blank: The summer solstice is the longest day of the year, typically occurring on _____ in the Northern Hemisphere.
June 21
Multiple Choice: Which season is known for harvest time in many cultures? A) Winter B) Spring C) Summer D) Autumn
D) Autumn
What impact does the seasonal cycle have on agriculture?
It determines planting and harvesting times for crops.
True or False: The Earth’s distance from the Sun is the main factor in seasonal changes.
False
What is the primary climatic characteristic of the summer season?
Warm to hot temperatures.
what happens in summer solstice
we have more daylight on this day and the summer season, which causes the sun to heat up the earth and produces hot weather and lots of vegetation.
Which season has the longest shadows?
winter
When we have winter in the northern hemisphere, the sun is over the
tropic of capricorn
The time it takes for Earth to ___ around the sun is one year.
revolve
How long does the yearly seasonal cycle last?
365 1/4 days 12 months 4 seasons
About how many minutes of daylight do we gain each day when we move from spring to summer?
2
The length of day is based on
he Earth rotating on its axis
The longest daylight of the year for North America occurs on the day of the
summer solstice
The point at which the sun appears on the first day of spring is called the
vernal equinox
Which does NOT cause our seasons?
the distance from the sun
A year in which an extra day is added to the calendar is called a
leap year.
If it is autumn in the Southern Hemisphere, then it is ___ in the Northern Hemisphere.
spring
If it is autumn in the Southern Hemisphere, then it is ___ in the Northern Hemisphere.
summer
During the fall and spring, the position of the sun is
directly over the equator
In the northern hemisphere, we gain about 2 minutes of daylight each day between
Dec. 22 - June 21
When it is 5:00 p.m. Central time, what time is it Eastern Time?
6:00 p.m
When it is midnight Central time what time is it Pacific Time?
10:00 p.m.
Alaska has about 20 hours of darkness during which season?
winter
Plants begin to bloom in the spring because
more sunlight means more heat
when is vernal equinox?
March 20
when is summer solstice?
June 21
when is autumnal equinox
September 22nd.
When is winter solstice
December 21st
if it is 1 PM central time then what is it Pacific time?
11am
an extra day is added every 4 years on February 29.
if it is 1 PM central time then what is it mountain time
12am
if it is 1 PM central time then what is it eastern time
2pm
how do you find mountain time?
it is 1 hour under central.
how do you find Pacific time?
it is 2 hours under central
how do you find eastern time?
it is 1 hour ahead of central.
earth rotates on its___
axis.
an axis is an _____ line.
imaginary
the earth rotates ____ to ______
west to east
the axis runs through the _____ of the earth from the _____ pole to the _____ pole.
center, west to east.
in summertime, the sun is higher in the sky, causing _______ shadows.
shorter.
vernal equinox is the first day of what?
spring
