Un planeta tiene un día más corto que la Tierra. ¿Cuál de los siguientes es más probable que explicar por qué?
A planet has a shorter day than Earth does. Which of the following is most likely to explain why?
Question 3
3.
Acerca de cuánto tiempo un ciclo de fases de la Luna por última vez?
About how long does one cycle of the Moon’s phases last?
Question 4
4.
Hay una luna llena el 9 de octubre y noviembre 6. ¿En qué fase está la luna en el 23 de octubre?
There is a full moon on October 9 and November 6. What phase is the Moon in on October 23? You can use the Calendar below.
Question 5
5.
You can use the Calendar for question 5.
Question 6
6.
Which diagram(s) below best represent(s) the position of the Moon during a quarter Moon? Note that S represents the Sun, E is Earth, and M is the Moon.
Question 7
7.
Which diagram(s) above show(s) the Moon during the most extreme tides? Note that S represents the Sun, E is Earth, and M is the Moon.
Question 8
8.
What percentage of the Moon is lit by the Sun? Explain your answer.
Question 9
9.
The phases of the Moon are caused by which of the following?
Question 10
10.
Which of the following results from the tilt of Earth?
Question 11
11.
Changing seasons are caused by which of the following?
Question 12
12.
If Earth’s axis were tilted 50°, which of the following would result?
Question 13
13.
If Earth revolved more slowly in its orbit around the Sun, which of the following would be likely to result?
Question 14
14.
Which of the diagrams below correctly represents the position of Earth during winter in the United States? Explain how you decided which answer is correct.
Question 15
15.
Your friend went outside and sat in the shade of a tree for two hours. While she was there, the shade from the tree got smaller and smaller. Was it morning or afternoon and why did the shade get smaller at that time of day?
