MATTER MAGNETISM INSULATORS CONDUCTORS MIXTURES SOLUTIONS BOILING MELTING POINTS
Definite shape and definite volume.
What is a solid?
These molecules tend to flow over one another
What is a liquid?
No definite shape or volume.
What is a gas?
Both of these states take the shape of their container.
What is a gas and liquid?
The addition or subtraction of heat causes this to happen to matter.
What is change of state?
Attract one another
What do opposite poles of magnet do? Magnetic?
Iron
What mineral will be attracted to a magnet?
Repel
What do like poles of a magnet do? Push away?
Magnetism
What is the force that attracts or pushes away matter?
Magnetic field
What is an invisible region around a magnet where you can feel its force?
Wood & plastic
What is an insulator?
Conductors
What are materials that allow energy to flow through them?
Best conductors of heat, sound and electricity.
What are metals?
State of matter that is the best conductor of heat, sound & electricity?
Solid
T or F Aluminum cans and coins are good conductors of electricity.
What is true?
A combination of two or more substances that keeps its original characteristics.
What is a mixture?
When one or more substances are dissolved in another substance.
What is a solution?
Can be easily separated.
What is a mixture?
Substance are dissolved and spread out evenly
What is a solution?
The presence of _____ will speed up the process of dissolving a solute in a solvent
What is heat?
The temperature in Celsius that pure water boils.
What is 100°C?
T or F All substance have the same boiling point.
What is false?
The temperature in Celsius that water is when it is at melting or freezing point.
What is 0°C?
The state change that happens when a substance reaches boiling point.
What is liquid to a gas?
When a solid turns into a liquid a substance has reached this point.
What is melting point?