A material through which heat or electricity does not easily flow.
Insulator
When white marbles are mixed with black marbles the mixture will –
Contain black and white marbles
The part of a solution that is in the greatest amount and is usually a liquid
Solvent
Anything that takes up space.
Matter
Describe the properties of solids
Close, tightly packed, definite shape and volume.
A material that allows heat or an electric current to flow through easily.
Conductor
Why do you have to shake oil and vinegar salad dressing before you can use it?
Vinegar and oil have different densities
A student mixed a teaspoon of salt with 100ml of water and the salt
Dissolved
Matter is anything that has _______ and _______.
mass and volume
What does SINC stand for?
Steel, Iron, Nickle, Cobolt
Characteristics that can be observed or measure; for example, color, melting point, or conductivity
Physical Properties
Two or more substances that are mixed together but can be separated from each other form a
Mixture
When sugar dissolves in tea, the result is a
The measure of the amount of matter in an object
Mass
It will become a solid
To spread out evenly in a liquid
Dissolve
A substance that does not dissolve
insoluble
William put a sugar cube of hot water. After a period of time, what happened to the sugar cube?
It dissolved
The particles in a _______ are the farthest apart and move the fastest.
Gas
A student investigated several samples of matter and recorded the findings in a data table. Based on the data, Which sample has the following properties? * conducts electricity * is not attracted to a magnet * has a mass between 5 and 15 grams
Sample 3
A change to a substance without forming a new substance, such as changing size or state of matter
Physical Change
How do you know if a mixture is a solution?
Something in the mixture dissolves
A science class performed an investigation by evaporating a solution containing 10g of salt and 50ml of water. How much salt would you expect to find in the cup at the end of the investigation?
Condensation is when a liquid changes into a gas.
True
Students filled a graduated cylinder with water and oil. Next they placed two samples, Substance X and Substance Y, in the same graduated cylinder. The illustration shows the final positions of all these materials. What conclusion can be drawn from this observation?
Substance X is less dense than water.