A ball rolling down a hill has what type of energy?
Kinetic
Environments Temperature Increases
Exothermic
In 1864, Russian scientist Dmitri Mendeleev put together a chart called the______
Period Table of Elements
This determines a substances state of matter
Thermal Energy
What is a duel between three people called?
A Truel
A ball resting at the top of a hill has what type of energy?
Potential
Environments Temperature Decreases
Endothermic
When he created it there were only ___ elements. Currently there are ___ elements that are the only substances needed to make all the materials that exist.
63, 118
The 3 Possible states of matter
Solid, Liquid, Gas
What geometric shape is generally used for stop signs?
Octagon
The air escaping a balloon causes the balloon to fly backwards is an example of which of Newton's laws?
3rd - Action-Reaction
What type of reaction will result of mixing Vinegar and Baking Soda
___ percent of the human body is made up of 6 elements:
95
How are atoms and elements connected?
An element is made up of all the same kinds of atoms.
Which animal can be seen on the Porsche logo?
Horse
A car with more mass takes more force to make it move is an example of which of Newton's laws?
2nd - F=MxA
What type of reaction will result of mixing Hydrogen Peroxide and Potassium Iodide
Exothermic
The first 94 elements are believe to occur naturally, the rest are ____ (which means they were created by humans).
Synthetic
What is a molecule?
2 or more atoms bonded together
What is the rarest M&M color?
Brown
Give me an example of a directly proportional relationship using Newton's 2nd Law.
Which of these gives a substance the properties it has.
Structure of the atoms
How many of the same atoms make up the element
How big it is
Structure of the atoms
What is the 1st element?
Hydrogen
Atoms are less tightly packed and can slide past another BUT are always in contact.
Liquid
Which is the only edible food that never goes bad?
Honey