metr
a device used to measure temperature
themometer
a picture made with a camera
photograph
unable to move
immobile
a person who studies the stars and planets
astronomer
the science of the earth and its features
geography
a device used to measure air pressure
barometer
a written story of a person's life
biography
a vehicle used for traveling
automobile
having to do with the sun
solar
an area of land including its physical features
terrain
a type of math dealing with measurement
geometry
a person's signature
autograph
the state of something
status
stellar
a colorless and odorless gas
hydrogen
when a figure can be folded or turned so that the parts of the figure match
symmetry
something sent by a special signaling system called morse code
telegraph
able to move
mobile
a group of stars that form a pattern in the sky
constellation
hydrate
the distance across a circle through the center
diameter
to sign up for something
subscribe
a stopping or standing place
station
a rocky object that moves around or orbits the sun
asteroid
to lose or remove water
dehydrate