Period 1 Study Guide
Vocab
Orbit
Rotation
Revolution (revolve)
Axis
Full moon
Time zone
New moon
Moon phases
Tilt
Seasons
Shadows
Northern/southern hemisphere
Equator
Key Points (topics)
Seasons are not determined by distance, they are determined by the Earth’s tilt
When (month) the earth is closer/furthest from the sun
Time period for rotation/revolution
Angles of the sun (daylight hours)
Differences in seasons from Northern/southern hemisphere
Shadows are determined by the sun’s angle
Direct sunlight provides more heat and energy/Indirect sunlight not as warm, but still may provide some
energy
Exact number of rotations in one revolution…how many years from one leap year to the next?
Be able to identify new moon and full moon.