|
|
|
5
|
system of planets, moons, asteroids, comets
|
|
7
|
Where pluto is
|
|
8
|
a place for observing & studying astonomy
|
|
10
|
path followed by an object under influence of gravitational forces
|
|
11
|
anything that is not from earth
|
|
13
|
the study of space, planets, galaxies
|
|
16
|
molecules are free to move around
|
|
17
|
solid change into a gas (skips liquid)
|
|
18
|
plant process
|
|
19
|
atoms smashed together with heat and pressure & release more energy
|
|
20
|
basic unit of matter
|
|
22
|
organism that adapts to survive extreme environments
|
|
24
|
continuous transformation of water to solid, gas or liquid
|
|
|
|
|
|
|
1
|
combination of 2 or more molecules
|
|
2
|
pure substance, one type of atom
|
|
3
|
a massive collection of stars and planets
|
|
4
|
icy space object with tail of gas & dust
|
|
5
|
unchanged environment
|
|
6
|
stony metallic object-shooting star
|
|
9
|
a zone around a star where conditions a favorable for water
|
|
12
|
a fluid state of matter
|
|
14
|
orbits sun, massive, 8
|
|
15
|
wet & fluid state of matter
|
|
21
|
instrument to view distant objects
|
|
23
|
tendency for an object to keep its current state of motion
|
|
|
|
