1-2 Measuring Matter
1-3 Particles of Matter
1-1 Types of Matter
1-1 Changes in Matter
1-1 Describing Matter
100
________________is a measure of the force of gravity on you.
Weight
100
“Atoms” is from a Greek word meaning ___________________.
uncuttable
100
A_________________consists of two or more substances that are mixed together but not chemically combined.
mixture
100
_____________changes in the state of matter.
Physical changes
100
___________is the “stuff” that makes up everything in the universe.
Matter
200
To measure the properties of matter, scientists use a system of units called _________________________.
International Systems of Units “SI”
200
The heavy particles of the atom are in the _________________.
Middle/Nucleus
200
A ________________is made of only one kind of matter and has definite properties.
pure substance
200
____________alters (changes) the identity of a substance.
Chemical changes
200
What are the THREE (3) states of matter?
Solid, liquid, and gas
300
What is the formula for Density?
Density=Mass/Volume
300
What TWO (2) particles are found in the nucleus?
Hint: (Protons, Neutrons, and Electrons)
Protons and Neutrons
300
Most elements are represented by a_______________.
one-letter or two letter symbol
300
Unlike physical changes, chemical changes always ________________________.
Form a new substance or new substances.
300
The force that holds two atoms together is called a_______________________.
chemical bond
400
Grams per milliliter (g/mL) is an example of a unit of (volume). True or False
False...density
400
How many atoms is water (H20) made up of?
2 parts Hydrogen
1 part Oxygen
400
The "best mixed" mixtures are called ____________________.
solutions
400
If you move an object from place to place in the universe, the (mass) of the object will stay the same. True or False
True
400
One of Dalton's principles is that each element is made of it's own kind of (atom). True or False
True
500
Find the Volume of the prism above.
HINT: Volume= Length x Width x Height
5 cm x 2 cm x 3 cm = 30 cm3
500
How could you find the volume of a small rock, using only a graduated cylinder and water?
volume of the second graduated cylinder subtracted by the volume in the first graduated cylinder will equal the volume of the small rock.
500
The temperature at which a pure substance changes from a solid state to a liquid state is called (boiling point). True or False
False...melting point
500
If matter is composed of particles that are unable to separate, then what holds these particles together?
Atoms have "hooks" that form the chemical chemical bonds that hold them together.
500
Identify what change is happening below either physical or chemical change.
--> Expected color change, Change in size or shape, Change in state of matter, Reversible, No new substance is formed!
Physical change