Study Guide
Quick meanings for every word. Pair Tier 3 words with pictures to support newcomers.
| Word | Meaning |
|---|---|
| Sun | The Sun is the star at the center of our solar system. |
| Moon | The Moon is Earth's natural satellite. |
| Globe | A globe is a round model of Earth. |
| Seasons | Seasons are the parts of the year with different weather (winter, spring, summer, fall). |
| Angle of Rays | Angle of rays is the angle sunlight hits Earth. A lower angle spreads light out. |
| Axis | An axis is an invisible line that Earth spins around. |
| Elliptical | Elliptical means oval-shaped, like Earth's orbit around the Sun. |
| Equator | The equator is an imaginary line around the middle of Earth. |
| Hemispheres | Hemispheres are the north half and south half of Earth. |
| Orbit | An orbit is the path an object follows around another object. |
| Revolve | Revolve means to move around another object (Earth revolves around the Sun). |
| Revolution | Revolution is one full trip around another object. |
| Rotate | Rotate means to spin around an axis. |
| Rotation | Rotation is one full spin around an axis. |
| Sunlight | Sunlight is the light and heat that come from the Sun. |
| Tilt | Tilt means leaning. Earth's axis is tilted, causing seasons. |