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100

the collection of interacting parts

what is a system?

100

a period of the year identified by changes in hours of daylight and weather

what is SEASON?

100

a change in land created by an impact

what is a CRATER?

100

a different shape of the moon

what is PHASE?

100

a small, rocky object that orbits the sun

what is ASTEROID?

200

the interacting WATER on, under, and above Earth's surface

what is the HYDROSHERE?

200

A reference star pointed by Earth's NORTH pole

what is the NORTH STAR?

200

the light colored areas of the moon with lots of rough mountains and craters

what is HIGHLANDS?

200

getting smaller

what is WANING?

200

The material displaced from the land when a crater is formed

what is ejecta?

300

The distance above Eatrh's Surface

What is ALTITUDE?
300

spinning on an axis

what is rotation?

300

The dark surface of cooled magma in a flooded crater

what is MARE or MARIA?

300

Getting bigger

What is WAXINIG?

300

a crater from a large impact that FILLED with magma from beneath the surface

what is FLOODED CRATER?

400

a point of view directly ABOVE the area being studied 

what is BIRDS-EYE-VIEW?

400

the imaginary line that runs around the middle of the planet, halfway between the north and south poles

what is the EQUATOR?

400

The white lines that extend in all directions from some craters

what is RAY?

400

The phase of the moon just before and just before the new moon 

What is CRESCENT moon?

400

A crash between one object and another object

what is impact?

500

a layer of gases that surround an object, held in place by gravity

What is ATMOSPHERE?

500

The synonym of REVOLUTION (hint: starts with an O)

What is ORBT?

500

a structure on the moons surface that looks like a canyon or streambed

what is RILLE?

500

Name the Phases of the Moon in order

What is New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, 3rd quarter, and wanning crescent?
500

the pulverized surface material of the moon, also known as LUNAR SOIL

what is REGOLITH?