Earth's Rotation
Earth rotates on its ______________.
axis
What does it mean that the earth orbits the sun?
It revolves (travels) around the sun.
What are animals that are active at night called?
Nocturnal.
What does waxing mean?
Growing.
The moon doesn't make its own light. How do we see light?
The sun reflects its light on the moon.
When the earth faces the sun we get ______________.
Daytime.
How long does it take for one revolution/orbit?
365 days.
Animals that are active during the day are called___________.
Diurnal.
What does waning mean?
Getting smaller.
How is the moon related to the earth?
It revolves around the earth.
How do earth's movements cause night time?
When the earth faces away from the sun.
How do earth's movements cause summer?
The northern hemishphere is tilted towards the sun.
How do animals respond to seasonal changes?
They hibernate, grown more fur or fly south.
How long is the whole process of the phases of the moon.
29 days. (about a month)
What does bulging mean?
The earth swells.
How long does it take for one full rotatation?
24 hours.
How do earth's movements cause winter?
The northern hemisphere is tilted away from the sun.
How do plants respond to seasonal changes?
Why don't we see the moon during new moon?
Because the moon is in between the sun and earth.
Just as the earth attracts the moon, the moon attracts the earth. What is this called?
Tidal force.
What is the imaginary line across the middle of the earth called? What does it do?
The equator. It splits the earth into the northern and southern hemisphere.
How do earth's movements cause spring and fall?
The sun shines equally on the northern and southern hemispheres.
How does light pollution affect living things?
It confuses birds and causes them to bang into buildings and sea turtles depend on moonlight to get to the ocean.
Why are there different phases of the moon?
Because the moon moves around the earth adn the sun shines on it differently depending on where it is
How do we get high tide and low tide?
Earth is 70% water and water is drawn to earth. Bulge happens whichever side the moon is on. High tide = high bulge. Low tide = low bulge.