click below
click below
Normal Size Small Size show me how
PS Inv. 1-2
FOSS Planetary Science Inv. 1-2
| Question | Answer |
|---|---|
| geosphere | Earth's core, mantle and crust |
| hydrosphere | the interacting water on, under, and above Earth's surface |
| atmosphere | a layer of gases that surround an object, held in place by gravity |
| biosphere | a system of interacting living organisms |
| system | a collection of interacting parts |
| waning | getting smaller |
| waxing | getting bigger |
| solar angle | the angle at which light passes through the atmosphere; measured from Earth's surface |
| rotation | spinning on an axis |
| revolution | the path one object takes to travel around another object (orbit) |
| equinox | a day in the year where the sun's rays shine straight down on the equator |
| gibbous | a moon shape that is larger than a first or quarter moon but smaller than a full moon |
| crescent moon | the shape of the moon just after and before the new moon phase |
| new moon | the phase of the moon that occurs when the moon is in the direction of the Sun as seen from Earth |
| lunar eclipse | when the Earth is exactly between the moon and the sun, and the moon passes through Earth's shadow |
| solar eclipse | when the moon passes exactly between Earth and the sun |
| full moon | the phase of the moon that occurs when the moon is opposite the sun as seen from Earth |
| first quarter moon | the phase that occurs halfway between the new and full moon |
| third quarter moon | the phase that occurs halfway between the full and new moon |
| axis | an imaginary axle that a planet spins on |