absorb	glucose	pistil
adapt	gravitropism	pollen
aeroponics	gravity	pollination
air	habitat	pollinators
angle	harvest index	radiation
annual	heat	recycle
anther	herbaceous	reflect
asteroid	highlands	regolith
astronaut	horticulturalist	revolve
atmosphere	humus	root
axis	hydroponics	root tips
biennial	image	rotate
billion	infrared	sand
bulb	kilogram	satellite
carbohydrate	kilometer	scale leaves
carbon dioxide	lava	seed
cells	leaf	seed coat
Celsius	light	sepal
cephalad fluid shift	light year	shadow
chlorophyll	loam	shoot
circulation	Low Earth Orbit	silt
circumference	Luna II	solar eclipse
clay	lunar	spore
colonize	lunar eclipse	stamen
compost	maria	star
conduction	meteor	statoliths
convection	microgravity	stem
crater	microorganism	stigma
cuticle	Moon	stomata
cutting	navigate	stratosphere
diameter	Neil Armstrong	style
dormant	nutrient solution	Sun
dwarf varieties	nutrients	telescope
eclipse	opaque	temperature
edible	orbit	terrain
electromagnetic	organic	texture
eroded	orient	translucent
exhale	ovary	transparent
extraterrestrial	ovule	trillion
Fahrenheit	oxygen	tropism
fertilizer	Ozone layer	tuber
filament	particle	tunic
flower	perennial	ultraviolet
freefall	petal	water
fruit	phase	weight
galaxy	photosynthesis	weightless
germination	phototropism	woody