Terms & Vocabulary
Matter Madness
Wait... is that true?
Mixtures & Pure Substances
Scientists & Laws
100
Has a definite volume but not a definite shape.
Particles are packed very closely together and move around freely - takes the shape of its container.
Liquid
100
What is the most basic building block of all matter?
Atom
100
True or False:
More than 50% of oxygen that we breathe comes from rainforests and other trees in our atmosphere.
False!
Half of the world’s oxygen is actually produced by plankton, seaweed and other ocean-based photosynthesis.
100
Parts of a substance that are evenly mixed and look the same throughout.
Homogenous Mixture
100
"Matter cannot be created or destroyed, only changed" is the definition of what law?
The Law of Conservation of Mass
200
System in which both matter and energy can be exchanged with the environment/atmosphere.
Open System
200
True or False:
All molecules are compounds but not all compounds are molecules.
False!
All compounds are molecules, but not all molecules are compounds. (Remember: Compounds are two different atoms joining. Molecules are alike or different atoms joining).
200
True or False:
Antonie Lavoisier (the father of modern chemistry), was also a tax collector... Something he would later be killed for in the late 1700s.
True
200
This is made up of two or more substances (elements, compounds or both) that are together in the same place but are not chemically combined to form a new substance.
Mixture
200
The principle of energy conservation that states:
"Energy cannot be created or destroyed, only converted between forms."
1st Law of Thermodynamics
or
Lass of Conservation of Energy
300
A well mixed mixture; Has the same properties throughout.
Solution
300
Has a definite volume and shape. Particles are packed very closely together and stay in fixed positions, no matter the container.
Solid
300
True or False:
During his lifetime, Albert Einstein was offered a position to serve as the President of Israel.
True
300
In a solution, what is the substance called that "does the dissolving?"
What is the substance that is being dissolved?
(Make sure to answer in order)
Solvent
Solute
300
Who is known for formulating the law of conservation of mass and first recognizing that air is actually a mixture of gases?
Antonie Lavoisier
400
A mixture with small undissolved particles that do not settle out.
Colloid
400
You are outside eating a popsicle. You look down and notice that it is slowly melting onto your hand. What type of change is occurring to the popsicle?
Physical Change
400
True or False:
Issac Newton fell off a ladder when he was in his early 20's, but it led to his exploration and later, discovery of gravity.
False.
He actually discovered gravity from an apple falling from an apple tree.
400
Substance that is made up of two or more elements, chemically combined in a specific ratio
(Think "recipe")
Compound
400
He discovered the relationship between temperature and volume of a gas at constant pressure, noting "When temperature increases, volume also increases."
Jacques Charles
or
"Charles Law"
500
The transfer of thermal energy between particles within a substance. The transfer of electrons from a charged object to another object.
Conduction
500
Baking an egg or iron rusting overtime is an example of what type of change?
Chemical Change
500
Out of the entire alphabet, there is only one letter that is not used on the periodic table.. what letter is it?
Dont look!
The letter J
500
Fixed substance with only one type of matter [i.e., Gold (Au), Oxygen we breathe (O2)]; Cannot be separated physically.
Pure Substance
500
Daltons theory was derived from two philosophers __________ and ___________. He used both reasoning and scientific exploration/experiments to validate his claim that atoms come together to form __________.
Empedocles, Democritus, Elements