On earth it looks blue, on the sun it looks yellow and is called a 'corona'.
What is the earth and sun's atmosphere.
Cassie is writing an equation to show the effect of the gravitational pull of the sun and the moon on tidal range. Which equation would Cassie use to show the effect of the sun and the moon on spring tides?



What is 1?
Which statement best explains the shift in times of high and low tides each day?



What is 3?
C
Just as Earth moves around the sun, the moon revolves around Earth. About how many Earth days does it take for the moon to travel around Earth?



What is 2?
The Northern Hemisphere receives more solar energy during one half the year than it does during the other half of the year. Which of the following happens during the year to explain this?



What is 4?
When it is winter, the United States receives the least direct solar energy, as compared to the rest of the year. Why does this happen?



What is 4?
When Earth moves into the moon’s shadow, a solar eclipse takes place. Which phase represents the appearance of the moon during a solar eclipse?



What is 2?
Eclipses are predictable, solar system events. The answer choices below list the relative positions of Earth, the sun, and the moon. Which list represents the position of Earth, the sun, and the moon during a lunar eclipse?



What is 3?
Most larger objects in space are shaped like this.
What are spheres?

Which of the moons in the figure are in a crescent phase?



What is 2?
Section 1 - Default section name
1Multiple Choice1
How long does it take Earth to complete one orbit around the sun?




2Multiple Choice1
The diagram below shows how Earth spins on its axis, causing day and night.

Which term describes the movement shown?




3Multiple Choice1
When it is winter, the United States receives the least direct solar energy, as compared to the rest of the year. Why does this happen?




4Multiple Choice1
The graph below shows tides in Boston Harbor.

Which statement best explains the shift in times of high and low tides each day?




5Multiple Choice1
Which gravitational pull has the greatest effect on tides?




6Multiple Choice1
Although half of the moon is always illuminated, usually only a portion of the illuminated side is visible from Earth. The diagram below presents the relative positions of Earth, the sun, and the moon. The positions of the moon are labeled 1–8.

Which of the moons in the figure are in a crescent phase?




7Multiple Choice1
Eclipses are predictable, solar system events. The answer choices below list the relative positions of Earth, the sun, and the moon. Which list represents the position of Earth, the sun, and the moon during a lunar eclipse?



8Multiple Choice1
When Earth moves into the moon’s shadow, a solar eclipse takes place. Which phase represents the appearance of the moon during a solar eclipse?




9Multiple Choice1
Which term describes the periodic rise and fall of the water level in the oceans and other large bodies of water?




What is 3?

At which point would the United States receive the fewest hours of daylight?



What is 2?
You can fit this many earths in the sun
What is 1 million
The earth ________ around on its __________ but ________ around the sun. How long does it take to rotate and revolve?
What is rotates, axis, revolves. 24 hrs, 365 1/4 days

Which of these choices best defines the orbit of Earth?



What is 4?
Which gravitational pull has the greatest effect on tides?



What is 2?