Term
| How long does it take from full moon to full moon? |
|
Definition
|
|
Term
| Why is new moon all dark? |
|
Definition
| The lit half faces away from us and toward the sun. |
|
|
Term
| One complete revolution of the Earth around the Sun |
|
Definition
|
|
Term
| One complete rotation of Earth on its axis |
|
Definition
|
|
Term
|
Definition
| Earth's rotation on its axis |
|
|
Term
|
Definition
Longest and shortest days of the year;
June 21, Dec21;Sun directly overhead at 23.5 N or S. |
|
|
Term
|
Definition
| Days and nights are equal; around Sept 22 and Mar 22; sun directly overhead at the equator. |
|
|
Term
| What North America experiences when the northern end of Earth's axis tilts toward the Sun. |
|
Definition
| Summer. Sun's rays are more direct and days are longer. |
|
|
Term
|
Definition
| Caused by differences in how much the moon's gravity pulls on different parts of the Earth |
|
|
Term
|
Definition
| during full moon and new moon phases. Sun, Moon and Earth are in a line. |
|
|
Term
| How much time is there between new moon to full moon |
|
Definition
|
|
Term
|
Definition
| Sun and Moon pull at right angles to each other causing least difference in high and low tides. |
|
|
Term
|
Definition
| We see more and more of the lit half of the moon |
|
|
Term
|
Definition
| Moon is directly between Earth and Sun |
|
|
Term
|
Definition
| Earth is directly between Sun and Moon |
|
|
Term
| How do scientists think the moon was formed? |
|
Definition
| A Mars-sized object hit young Earth and material from both bodies combined. |
|
|
Term
| Earth has seasons because.... |
|
Definition
| Earth is tilted so different places get direct sun as Earth moves around the Sun. |
|
|
Term
| Why are we able to see the moon from Earth? |
|
Definition
| Sunlight reflects off the moon. |
|
|
Term
| Why are astronauts able to jump higher on the moon? |
|
Definition
| There is less gravity because the Moon has less mass than Earth. |
|
|
Term
| How large is the moon compared to Earth? |
|
Definition
|
|
Term
| Why do we have phases of the Moon? |
|
Definition
| We see a different amount of the lit half of the moon each night because as the moon moves around Earth we see it from a different angle. |
|
|
Term
| In which direction does the Sun rise and set? |
|
Definition
| To the East and to the West. |
|
|
