Atoms
8
What are three signs of a chemical reaction?
Color change, bubbles, temperature change, new substance, etc
______________ is the type of collision when two things run into each other.
Elastic collision
What happens when a plane travels faster than the sound barrier?
Sonic boom
What is the powerhouse of the cell?
Mitochondria
What are a group of atoms that are bonded together called?
Molecule
What three elements form Silver Nitrate?
Silver, Nitrogen, and Oxygen
What mainly causes the balls in Newton's Cradle to lose energy?
Friction
What does nautical engineering relate to?
What is the symbol for iron on the periodic table?
Fe
When we added aluminum to the chemical solution, what element replaced the aluminum?
Copper
What color is a base?
Blue/purple
As kinetic energy increases, potential energy ________.
Decreases
What is Newton's Third Law?
For every action in nature there is an equal and opposite reaction.
How old is Lex?
19
What does it mean to be hydrophilic?
Water loving!
What did we use as a natural indicator?
Name four types of energy
Heat, kinetic, potential, electric, etc
What does aerodynamic mean?
What is the largest object in our solar system?
The sun
If an element is in the 5th row, how many outer (valence) electrons does it have?
5
What is it called when two molecules switch elements? (AgCl, HN -> AgH, ClN)
Double replacement reaction?
What two things causes energy to go into the air in Newton's Cradle?
Heat and vibrations of the collisions
What is drag?
Forced that oppose the object through the air
The ____ is the largest bone in the human body.
Femur