| Term | Definition |
|---|---|
| Large spiraling cloud of GAS and DUST that moves inward due to gravity to form a STAR | Nebula |
| The closest star,(CENTER) to our solar system | SUN |
| How large and hot a star is in relation to other stars | actual brightness (magnitude) |
| The hottest star would be the color | BLUE |
| The coldest star would be the color | RED |
| A stars brightness as seen from Earth | apparent brightness (Magnitude) |
| The planets closest to the Sun are ___ their surfaces are rock, few moons and no rings | TERRESTRIAL planets |
| The outer planets of our solar system are called ____ surface mostly gases, many moons , and rings | JOVIAN planets |
| The surface of Earth is covered mostly by | Water |
| The length of a year is equivalent to the time it takes for | one Revolution of the Earth around the sun |
| the length of a day is equivalent to the time it takes for (1 day or 24 hours) |
Rotation of Earth |
| The force responsible for keeping planets in orbiting motion around the Sun | Gravity |
| The movement of a planet around the Sun is (1 year= 365 1/4 days) |
Revolution |
| The factor that contributes to the seasons occurring in New York State | the tilt of Earth on its axis |
| The sun appears to move across the sky during the day because the Earth is | rotating on its axis |
| The direction the planets revolve around the sun | Counter-Clockwise |
| When Earth's axis is tilted TOWARD the sun, the season occurring is | Summer |
| When Earth's axis is tilted AWAY from the sun, the season occurring is | Winter |
| chunks of matter on space whose orbits cross the orbits of the planets | Meteoroid |
| a meteoroid that enters the Earth's atmosphere, vaporizes and gives off streaks of light (shooting star) | Meteor |
| any meteoroid matter that survives the atmosphere and strikes the ground | Meteorite |
| Orbit the sun in highly elliptical path | Comets |
| Metallic, rocky bodies without atmospheres that orbit the sum | Asteroids |
| Reason for seasons | Earth's tilted axis |
| The moon takes ___ to go through a full phase cycle | 29.5 days (One Month) |
| Why does the moon have an effect on tides on Earth | the moon is closer to the Earth than the sun |
| Sun is blocked, Earth, moon, & sun lined up (new moon) | Solar Eclipse |
| Moon is blocked , moon, Earth, & sun lined up (full moon) | Lunar Eclipse |
| New moon to full moon gets larger | Waxing |
| Full moon to new moon gets smaller | Waning |
