Vocab
anything that has mass and takes up space
What is matter?
This substance has a definite shape and define volume.
What is a soild?
This results in a new substance and is permanently changed
What is a Chemical change?
What is the atomic mass for C.
12
A substance containing 2 or more atoms, bonded together is called this.
What is a molecule?
the amount of matter something has
What is mass?
heat transfer through liquid or gas
contraction
A change in matter that involves a change in a physical property but doesn't create a new substance
What is Physical change?
Made up of all the same atoms; H, Pb, Ti are examples of this.
What is an element?
H20 (water) and CO2 (carbon dioxide) are examples of this as they are made up of different elements bonded together.
What is a compound?
The amount of space an object takes up.
What is Volume?
conduction
Which change occurs when you bake cookies?
What is a chemical change?
The first element on the periodic table is hydrogen. Name its atomic symbol.
What is H?
hot temperatures make molecules move _______________
What is faster?
this is the temperature at which a substance goes from a liquid to a gas
What is boiling point?
If enough heat is added to a liquid it become this state.
What is a gas?
WHAT IS A CHEMICAL CHANGE
CREATES A NEW SUBSTANCE
WATER
Several atoms bonded together ARE CALLED?
What is a molecule?
this is the relationship between mass and volume
What is density?
When heat is added to a solid, it becomes this state of matter
What is a liquid?
Melting wax, hammering a nail and bending a wire are all examples of this
What are Physical changes?
a table of elements is called the
periodic table
Colder temperatures make molecules move ____________.
What is slower?
All matter is made up of this.
What is atoms?
If heat is removed, a liquid will become this state
What is a solid?
Shape and density are examples of extensive or intensive
intensive
This is the center of an atom
What is the nucleus?
CO2 is the chemical formula for carbon dioxide. Name the amount of atoms that make up a molecule of CO2.
What is three?
Living and nonliving things are made up of a combination of these (C, H, N...)
What are elements?
Solid, Liquid, gas
What are the 3 basic states of matter?
ADDING MATERIALS TO BAKE A CAKE CHEMICAL OR PHYSICAL CHANGE?
CHEMICAL
What is the periodic table of elements?
When different atoms combine, a new substance is created. Na atoms combining with Cl atoms is called this.
What is a compound?