Planets
The terrestrial planets
What are Mercury, Venus, Earth, and Mars?
APPROXIMATE length of one full lunar cycle.
What is one month?
Earth does this on its axis.
What is rotate?
This characteristic of Earth causes seasons.
What is axial tilt?
The force causing orbits.
What is gravity?
The order of the planets from closest to farthest away from the Sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
Term for when the visible part of the Moon increases.
What is waxing?
The amount of time it takes the Earth to make one full revolution around the Sun.
What is one year?
This half of Earth experiences winter during June, July, and August.
What is the Southern Hemisphere?
The Sun is made of 70% ____ and 30% ______.
What is hydrogen and helium?
Earth's sister planet.
What is Venus?
First phase of the lunar cycle.
What is new moon?
Zone that makes life possible on Earth.
What is the habitable zone?
When Canada experiences spring, China experiences ____.
What is spring?
Gravitational pull increases with greater ____ and less ____.
What is size and distance?
These planets have not cleared their orbit of debris.
What are dwarf planets?
This amount of the Moon is always illuminated.
What is half?
Areas on Earth where the oceans are most affected by the Moon's gravitational pull.
What are tidal bulges?
When the South Pole is closer to the Sun, daylight in the Northern hemisphere _______.
What is decreases?
How energy is generated within the Sun.
What is nuclear fusion?
The order of the planets from smallest mass to greatest mass.
What is Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter?
Lunar phase between full moon and last quarter.
What is waning gibbous?
Earth is protected by these two features.
What are the atmosphere and the magnetic field?
The season being experienced in Australia when the North Pole is tilted away from the Sun.
What is summer?
The equator experiences these seasons instead of the typical four seasons.
What are wet and dry season?