science again xp Flashcards
1
Q
what is the gravity of th earth and moon
A
earth-9.8 m/s
moon- 1.2 m/s
2
Q
the moons phases
A
full waning gibbous last quarter waning cresent new first quarter
waxing gibbous
3
Q
what are atoms
A
the buildng blocks of everything
4
Q
how many elements are in the priodic table
A
118