 |
Java Games: Flashcards, matching, concentration, and word search. |
 |
|
Vocabulary 2: Earth Facts
|
| A | B |
|---|
| orbit | path of revolution |
| ellipse | oval |
| perihelion | closest to sun |
| aphelion | farthest from sun |
| constellation | group of stars |
| month | time between full moons |
| leap year | extra day every 4 years |
| equinox | day equals night |
|
| |
