Periodic Table
A chemical bond is the force and ___ that holds atoms together.
Attraction
A ___ change is any change that alters the form or appearance of a substance but does not change it into another substance.
Physical Change
Steam is a liquid that turns into a ____.
Gas
What are the two main kind of energy?
Kinetic and Potential
A rainbow uses ____ light.
Visible
Unequal sharing of electrons causes _____ bonded atoms to have slight electric charges.
Covalently
A chemical equation is a way to show a _____ reaction.
Chemical
The states of matter have ____ that are too small to see.
Particles
Gravitational Potential Energy=
Gravitational Potential Energy= Weight x Height
The light that passes through is called ____ light.
Polarized
A metal crystal is composed of closely packed, ____ charged metal ions.
Positively
The law of ___ of mass.
Conservation
Solid, Liquid, Gas, and ____.
Plasma
Power=
Power= Energy Transferred/Time
Each packet of light energy is called a ____.
Photon
Fe (Iron) + S (Sulfur)= what element?
FeS (Iron Sulfide)
What does a catalyst do?
It increases the reaction rate by lowering the activation energy needed.
What is the freezing point of water.
32°F
1 kg x m2/s2=1 _____
Joule
____ is the maximum distance the medium vibrates from the rest position.
Amplitude
Ne has __ electron dots.
Ne has 8 electron dots.
In an _____ reaction the energy released as the products form is greater than the energy required to break the bonds of the reactants.
Exothermic reaction
What is the boiling point of water.
212°F
If Myella is driving her car at 40 m/s, Ari is driving at 20 m/s, and Jaeden is riding her motorcycle at 20 m/s. Who has the most kinetic energy?
Mayella because she is traveling at a greater speed.
An area where the coils are spread out is called a _____.
Rarefaction