Vocab 1
Anything that has mass and volume. It cannot be created or destroyed
Matter
The amount of matter an object has.
Mass
What process is happening when a liquid becomes a solid?
Freezing
What charge does a proton have?
Positive
Physical Change
Objects will float in water, if they are less dense than water. They will sink if they are more dense than water.
Density
The amount of space something takes up.
Volume
What type of matter has the ability to evaporate.
Liquid
What two particles are in the nucleus?
Neutron and Proton
The burning of a campfire is an example of this kind of change.
Chemical Change
When matter undergoes a change, this change does not affect the type of matter.
Physical Change
When matter undergoes a change, a new substance or form of matter is formed.
Chemical Change
Name TWO types of matter that will take the shape of the container it is in.
Liquid and Gas
Where might you find the electrons at?
Electron Cloud
Would carbonated pop be an example of a mixture or a solution?
A theory and explanation of the structure of atoms and how they interact with other atoms.
Atomic Theory
Made up of two or more atoms joined together chemically.
Molecule
What process is happening when a gas becomes a liquid?
Condensation
Name ALL the charges for the particles found in the atom.
Proton - positive
Neutron - neutral
Electron - negative
List 3 examples of a physical change and 3 examples of a chemical change.
Ex: frying an egg, a rotting piece of fruit, rust on a vehicle
In either physical or chemical change, the total mass of the matter before AND after stays the same.
Made up of two or more elements joined together.
Compound
Most matter expands when the temperature goes up. What is the state of matter that is the exception to this rule?
What is the table scientists use that show all 118 elements discovered?
Periodic Table of Elements
Name four different physical properties of matter that were stated in our book.
Color, size, melting point, boiling point, density, ability to dissolve