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🔬 科学 › 空间系统与地球历史
16 topics
🔬 科学 5–7y
Why seasons change
Space Systems & Earth's History
Conceptual
🔬 科学 5–8y
Naming the Planets
Space Systems & Earth's History
Language
🔬 科学 6–7y
Sun, Moon, and stars
Space Systems & Earth's History
Conceptual
🔬 科学 7–8y
Rapid earth changes
Space Systems & Earth's History
Conceptual
🔬 科学 8–11y
Earth & Space Vocabulary
Space Systems & Earth's History
Language
🔬 科学 9–10y
How fossils form
Space Systems & Earth's History
Conceptual
🔬 科学 9–11y
Earth's rotation and day/night
Space Systems & Earth's History
Conceptual
🔬 科学 9–10y
The solar system
Space Systems & Earth's History
Conceptual
🔬 科学 10–11y
Shadows
Space Systems & Earth's History
Procedural
🔬 科学 10–11y
Star Brightness & Distance
Space Systems & Earth's History
Conceptual
🔬 科学 11–12y
Why We Have Seasons
Space Systems & Earth's History
Conceptual
🔬 科学 11–12y
The solar system (age 11+)
Space Systems & Earth's History
Conceptual
🔬 科学 11–12y
Phases of the Moon
Space Systems & Earth's History
Conceptual
🔬 科学 12–13y
Universal Gravitation
Space Systems & Earth's History
Conceptual
🔬 科学 12–13y
Galaxies and the universe
Space Systems & Earth's History
Conceptual
🔬 科学 13–14y
Life Cycle of a Star
Space Systems & Earth's History
Conceptual