Extra Stuffs 💥 Flashcards
1
Q
compare the particle theory to density
A
- density depends on the mass of particles and how tightly packed they are
- particles of solids are closer together than particles of liquids, which makes solids more dense
2
Q
why did the Hindenburg catch fire and burn in a matter of seconds?
A
because it was filled with hydrogen gas, less dense and less expensive than helium, but extremely explosive
3
Q
what is a plimsoll line?
A
measures how dense water is and the weight of the ship
4
Q
what is a swim bladder
A
gas filled sac found in many bony fish which helps the fish maintain its buoyancy
5
Q
what’s a ballast tank
A
filled with water and provides stability for a ship, similar to swim bladder in fish
