Properties Changes Mixtures & Solutions Mass, Volume, Density Miscellaneous
Can be measured or detected by using the senses
What are physical properties?
The temperature at which a solid changes to a liquid
What is melting point?
The ability or tendency of material to change its chemical makeup
What are chemical properties?
The temperature at which a liquid changes to a gas
What is boiling point?
These are the 3 states of matter
What is solid, liquid, gas?
A change in the size, shape, or state of matter with no new matter being formed
What is a physical change?
A change in matter that results in new substances being formed
What is a chemical change?
A specific example of one or more chemical changes
What is a chemical reaction?
True or False The mass of materials is the same before and after a change takes place
What is True?
Describe how we could separate salt from water
What is letting the water evaporate, leaving the salt?
A physical combination of two or more substances
What is a mixture?
The particles that are dissolved in a solution; e.g. Kool-Aid
What is a solute?
Two or more metals combined
What is alloy
A substance that dissolves the solute
What is solvent?
Mixtures are classified in these two categories
What is heterogeneous and homogeneous?
The amount of space that something takes up
What is volume?
A measure of the amount of matter is in an object or a material
What is mass?
In order to find the density of material we must know these two things
What is mass and volume?
Which of these has more density
What is?
The two different ways to find the volume or an object
What is LxWxH and measure using water (L or mL)?
The ability of material to carry energy
What is conductivity?
Describe how we can separate a mixture
What is physically separating ?
Describe how we could separate of solution; e.g. sugar from sugar cane
What is boiling the water so it evaporates?
Two examples of a physical change
What is cutting wood, ripping paper?
Two examples of chemical change
What is burning something, glow sticks?