Description
- Made of superior quality polymers
- Sturdy structure and good stability.
- A smooth Gear-driven model.
- Manually movable moon.
- Shadow hemisphere to represent night.
- Includes a detailed instruction manual.
How many days does it take the Earth to revolve around the Sun? The answer to this question and more are answered when using this gear-driven model representing the Sun, Moon and Earth and their relationships. Daylight, night, seasons, and phases of the Moon are all effectively demonstrated. Arm is 15″ long; Sun is 6″ in diameter; Earth is 4″ in diameter; moon is 1″ in diameter.
ILLUMINATED ORBITER
- Made of superior quality polymers
- A smooth Gear-driven model.
- Mounted on a sturdy base, labeled with each month of the year.
- Includes a detailed instruction manual.
Illuminate the Sun to effectively demonstrate daylight, night, seasons, and phases of the Moon. The Sun, Earth and Moon manually revolve around one another on this gear-driven model. The earth and moon are shown in true scale.The scale is 1 inch = 2000 miles. Arm is 15″, Sun is 6″ and the Earth is 4″ in diameter. Includes Lesson Plan which includes basic investigations and activities on Day and Night, The Seasons, The Moon, plus Observations and Activities.