Law of motion

2. The object at rest will remain at
rest until it is acted upon by an
unbalanced force, and an object
in motion will remain in motion
unless it is acted n by an external
force.

3. Stay or Keep

4. Force is equal to the rate
of change of momentum.
For a constant mass,
force equals mass times
acceleration.

5. The law of action and
reaction

6. Action
An act, a profit-making; to organize,
exerts, authority’ exciting happening.
Reaction
An answer, a return gesture when
someone is upset, a response

12. Our sun and the
Celestial/ planetary/
astronomical objects that
go around it.

13.  Sun
 Planets
 Moons
 Asteroids
 Comets
 Meteors

15. Asteroid is a rocky
astronomical object, varying
in size from about 500
kilometers in diameter to 19
meters diameter

18. A comet is composed of
frozen gases, rocks, and
dust. A comet is usually
about 10-15 kilometers
in diameter.

22. Meteoroids are minor
astronomical objects, like
asteroids and comets, but
they are usually much,
much smaller. (5m wide)

23. A meteor is formed when a
meteoroid enters the Earth’s
atmosphere.

24. A meteorite is the name for an
object from space that survives
from burning up as it travels
through the atmosphere, and
lands on the ground.