The kinetic theory of matter states that all matter is made up of molecules that are this.
What are constantly moving
100
This is what happens to the oxygen and hydrogen atoms in water when water is broken down
What is the are rearranged to form O gas and H gas
100
Energy that is present within atoms and molecules is this type of Energy
What is chemical energy
100
A mixture that is not uniform throughout is known as a
What is heterogeneous mixture
200
When new discoveries are made, these can be replaced or rejected
What is a theory
200
According to the kinetic theory of matter at higher temperatures the faster
What is particles that make up a substance move
200
Dalton's atomic theory states that: every element is made of atoms, they cannot be subdivided, atoms of the same element are alike and
What is atoms can join to form molecules
200
Most of the energy released in an isoctane reaction is released in this form
What is light and heat
200
Because different liquids have different boiling points, this proccess can be used to separate them
What is distillation
300
This instrument is used to view the most distant objects in the solar system
What are radio telescopes
300
Matter goes through this process if a liquid becomes a solid
What is freezing
300
Carbon and other nonmetals are found her on the periodic table
What is right side
300
A balanced chemical reaction shows the proportions of reactants and products necessary for this
What is Mass to be conserved
300
A solution that can dissolve more solute at current conditions are known as this kind of solution
What is an unsaturated solution
400
Which of these questions cannot be answered by science?
Does penicillin kill Salmonella
Is rabies caused by a virus
Did a comet kill the dinosaurs
Can radiation cause cancer
What is Did a comet kill the dinosaurs
400
Grilling a hamburger, cooking a egg, fading paint, rusting iron, and burining wood are all examples of this
What is a chemical change
400
This is defined as the number of particles in one mole of substance
What is Avogadro's constant
400
When a chemical reaction and its reverse are occurring at the same time and same rate, this has been achieved
What is equillibrium
400
Mixing a powered drink in water produces this kind of mixture
What is a solution
500
A substance that cannot be broken down into simpler substances
What is element
500
dissolving salt into water, strumming a guitar, melting copper, pounding gold into a coin, and a puddle evaporationg are all examples of this
What is a physical change
500
Copper is a good conductor of electricity because its electrons are free to do this
What is move from atom to atom
500
Some polymers are elastic because they are made of
What is cross-linked chains
500
When this cools down, some solute will precipitate out of the solution