LESSON 1-2
The amount of space something takes up
Volume
What is the smallest particle of an element?
An atom
What are valuable crystals called?
Gemstones
What is it called when two or more substances have been combined?
A Mixture
What does Newtons 1st law of motion state?
Something at rest prefers to stay at rest unless something forces it to move and something in motion prefers to stay in motion unless something forces it to stop moving.
The amount of mass in a certain volume of matter.
Density
What is formed when 2 or more atoms are joined together.
A Compound
What are the 4 C's regarding diamonds?
Clarity
Cut
Color
Carat
What is a mixture called when larger particles are mixed into smaller particles?
Suspension
What is the study of motion
Mechanics
The amount of shine something has
Luster
What are the parts of an atom?
Protons
Neutrons
Electrons
What is a solid that has a regular repeating arrangement of atoms
A Crystal
When substances are mixed but you can see the different substances
Heterogeneous
What do Newton's 2nd and 3rd laws of motion state?
2nd- The law states that force is what causes an object to change speed or direction.
3rd- The law states that for every action there is an equal and opposite reaction
What we call when a gas becomes a liquid.
Condensation point
Which particle is positively charged and which is negatively charged?
Protons are positively charged
Electrons are negatively charged
In a chemical reaction, what is the substance you start with?
Reactant
What is made up of 1 substance that is dissolved into another substance?
A solution
What is it called when the closer things are to each other the more powerful the attraction?
Law of universal gravitation.
The thickness or resistance to a flow in a fluid
Viscosity
What is the number in the top corner of an element, on the periodic table
Atomic Number
What does pH stand for
Potential for hydrogen
What are the 5 ways of separating mixtures
Evaporation
Filtration
sifting
magnetism
Chromatography
What is the maximum speed you reach when you fall called?
Terminal Velocity