States of Matter
What is a liquid?
A substance that flows freely relating to water.
What is melting?
solid to liquid
What is the formula of density?
mass/volume
What is mass?
a measure of the amount of matter that an object contains
Name one the signs of chemical reaction.
increase or decrease in temperature
What is an example of solid.
ice cube
What happens in ionization?
gas to plasma
Describe an example of luster.
diamond
A force that measures the pull of gravity on a given mass is what.
weight
Why is color change a chemical change?
it's usually an indicator that a reaction is occurring
Describe an example for gas.
oxygen
what is an example for evaporation?
sweating
What is conductivity?
What's the meaning of length?
how long an object is
what happens in light absorbtion?
The light could be reflected.
What is the difference between solid and a liquid.
A solid is when ice cube freezes all the time in a refrigerator.A liquid is when the ice cubes melts and becomes water.
What is this called when the transition does from gas to solid?
Deposition
What is an example for malleability?
When a piece of hot iron is hammered it takes the shape of a sheet.
cubic centimeter and cubic meter
How to make sure a chemical reaction occurred?
check the composition before and after.
What do the particles do in plasma.
The electrons move freely around the system.
Describe an example for Recombination
when you turn off power to a neon light
What is hardness/softness?
how easy to scratch something
What is something that has mass?
a balloon
What is precipitation?
2 liquids react to a solid