Definitions
A substance that contains more than one type of particle
Mixture
A characteristic of matter that helps us to identify matter and to tell different types of matter apart; for example, size, shape, colour, and texture
Property
Separating parts of a mixture using your hands.
Pick a part
A strainer (found in your kitchen is an example of a?
Filter
A heterogeneous mixture where the parts do not separate on their own
Colloid
A property of some metals, including iron and nickel.
Magnetism. Separation by magnetism is possible when a mixture contains these types of metals.
A pure substance a substance that contains only one type of particle
Pure substance
Give an example of a filter found in nature?
Roots
Rocks(gravel)
Sand
ect...
The property of how heavy a substance is relative to its size
Density
Things found in nature that are used to dye fabric and other things?
Natural dyes
A heterogeneous mixture in which particles are temporarily suspended in a liquid or a gas; particles eventually settle out
Suspension
Many animals have a filtering system to protect themselves. What is the organ in animals and people that filters the blood?
Kidneys
The method of separating a mixture where a liquid soaks through paper with the mixture on it and carries parts of the mixture along the paper
Chromatography
List 2 PROS of Natural dyes?
Widely available
Not harmful
Can be made at home
Separation method that is used to find out what ingredients have been added to food. It can also be used to identify pesticides and harmful chemicals in lakes and rivers.
Chromatography
What is a machine that spins. The spinning motion makes a force that pushes the denser particles of a mixture away from the centre.
A centrifuge
What does Synthetic mean when referring to dyes?
Man Made
A mixture of two or more substances that is not uniform throughout
Heterogeneous mixture
Separating solid parts of a mixture by adding water and letting them settle.
Settling
Using one of these two methods to separate mixtures works when the component parts have different densities.
Flotation and settling