What is melting?
The changes of a solid goes to a liquid
What do solid particles look like??
They are tightly packed with a slight shake
What is a thermometer?
The tool used to measure temperature.
What is sublimation?
The process of a solid turning directly into a gas without becoming liquid first.
what solid can you put in water to make it cold?
Ice cubes
Is paper tearing a physical or chemical change?
Its a phyiscal change
What does liquid particles look like??
they are less tightly packed and more a little bit more
What is Celsius?
The unit of temperature used in most of the world.
What is heat of fusion?
The amount of energy required to change a substance from a solid to a liquid.
What state is it if you see steam rising from a pot
It is gas
What is gas back to a liquid
Its Condensation
What do gas particles look like?
they are very spaced out and move around everywhere
What is thermal energy?
This is the total energy of motion in the particles of a substance.
What is a physical change?
This term describes a change that alters the form or appearance of a substance but does not make it a different substance.
when you pour orange juice in a cup what state is is
Its a liquid
Does gas have a define shape and volume?
no it doesnt have a define shape or volume
Are gas particles faster than solid or slower?
Gas particles are faster than Solid particles
What is heat?
The flow of thermal energy from a warmer object to a cooler one.
What is boiling point?
A change in matter that produces one or more new substances.
This is the gas we breathe in to live.
Oxygen
What is Sublimation
When a solid goes to a gas
Do Gas particles act faster than liquid or slower
they act faster
What is the Kelvin scale?
This scale starts at absolute zero.
What is a chemical change?
A change in matter that produces one or more new substances.
Lightning creates this hot, glowing state of matter made of charged particles.
plasma