seasons
These two seasons occur during an equinox.
What are fall and spring?
This is the line on which an object rotates.
What is a rotation axis?
The first day of spring and fall occur on this.
What is an equinox?
How does seasonal change affect your family's energy use?
Summer: more energy used for A.C. and fans
Winter: more energy used for heating/furnace use and lights b/c less daylight
This is the number of times an equinox occurs each year.
What is 2?
The path an object follows as it moves around another object.
What is an orbit or revolution?
The number of hours of daylight and darkness during the September equinox.
What is 12?
Explain TWO ways animals are affected by seasonal change.
In the fall: animals gather food to prepare for hibernation, migrate South
In the winter: grow more or thicker fur, hibernate
In spring: babies are born, migrate North
In summer: animals are more active b/c more daylight
The solstice starts the beginning of these two seasons.
What are summer and winter?
The day when Earth's rotation axis is the most toward or away from the Sun.
What is a solstice?
It takes this long for the Earth to revolve around the Sun.
What is 365.25 OR 365.24 days?
As Earth orbits the Sun, seasons occur due to this.
What is Earth's tilt?
The spin of an object around its axis is called this.
What is rotation?
It takes Earth this long to rotate on its axis.
What is 24 hours or one day?
The summer solstice occurs in June in the northern hemisphere and in this month in the southern hemisphere.
What is December?
This is the motion of one object around another object.
What is revolution?
An explanation for why Earth is colder at the poles than at the equator.
What is because Earth's surface is more tilted at the poles than at the equator.