States of Matter
The 3 main states of matter?
What is solid, liquid, and gas?
Method to separate rice and small metal pieces
What is magnetic attraction?
2 elements of a solution
What is a solute and solvent?
A change in matter that does not form a new substance
What is a physical change?
The ability of a solute to dissolve in a solvent
What is solubility?
Liquid changing to a solid
What is freezing?
Method to separate pretzels from a snack mix
What is hand sorting?
Salt dissolved in water
What is a solute?
A change of matter that forms a new substance
What is a chemical change?
Dissolves faster: sugar cube or granulated sugar
What is granulated sugar?
Solid changing to a liquid
What is melting?
Method to separate big solids from small solids
What is sifting?
Water dissolves salt
What is a solvent?
Rust on a metal garden tool
What is a chemical change?
A solution holding all the solute that can be dissolved
What is saturated?
Gas changing to liquid
What is condensation?
Method to separate a solid from a liquid
What is settling?
substances spread evenly throughout
What is a homogeneous mixture?
Law applying to a burning log in a firepit
What is conservation of matter?
A solution that has more than the normal amount of solute
What is concentrated?
Liquid changing to gas
What is vaporization?
Substances not spread evenly throughout
What is heterogeneous mixture
A solution including at least 1 metal
What is an alloy?
3 evidences of a chemical change
What is a change in color, a change in the state of matter, and a change in odor?
3 ways to increase the rate of dissolving
What is increase the surface area, stir, and heat?