C10L4 Flashcards
Mixture
Different materials are placed together but each material in the mixture keeps its own properties.
How can a mixture be separated?
1) sort by hand
2) magnet
3) filter or strainer
4) melt it
5) add water to dissolve it, then evaporate the water
6) add water to float it
7) spin it
Solution
a mixture in which substances are spread out evenly and will not settle. Example - salt water
Solute
The substance that is dissolved. Example - salt
Solvent
Substance in which the solute is being dissolved. Example - water
physical change
a change in some properties of matter without forming a different kind of matter
chemical change
One or more types of matter change into other types of matter with different properties
reactants: iron + oxygen =
product: iron oxide (rust)
reactants: sodium + chloride =
product: sodium chloride
reactants: vinegar + baking soda =
product: carbon dioxide
Name some examples of physical change
melting freezing evaporation shape, size - tearing paper, fold it, crumple it color - color paper
Name some examples of chemical change you can see
bubbles form/gas form smell changes light produced change in temperature precipitate (solid) forms change in color
combustion
the ability of something to burn
Sentence for combustible
Paper is combustible
Solubility
The ability of something to dissolve
