| A | B |
|---|
| Life cycle | stages in the life of a plant or animal |
| Shadow | an image of an object created when light is blocked by that object |
| Light source | allows one to see by using sun, electric lights, a flashlight or fire |
| Rotation | one full spin of an object (such as the planet Earth) around its axis; One rotation of Earth is measured as one day. |
| Axis | an imaginary line that passes through the center of the Earth; Earth spins around the axis. |
| Pattern | a model that repeats itself and is used to make a prediction about what will come next; colors, shapes, or letters repeated in some order |
| Cycle | a pattern that continues to repeat itself |
| Revolution | one orbit of an object in space around another object in space; Earth's movement around the sun - takes approximately 365 days |
| Phase | one of the changing states or stages of development of a person or thing (like the moon) |
| Phases of the Moon | the eight observable stages of the moon as it makes one revolution around Earth |
| Season | one of the four time periods during the year (summer, fall, winter, spring) caused by the Earth's tilted axis and its revolution around the sun |
| Bud | the beginning stages of a flower's growth |
| Wilt | to lose freshness, a plant might do this without enough moisture |
