Mixtures and Solutions
Rebecca made a mixture of raisins, nuts, and dried fruit for a snack. Which kind of mixture was Rebecca's snack?
Heterogeneous Mixture
Explain the difference between a homogeneous and heterogeneous mixture
Heterogeneous is not uniform throughout and can see all ingredients. Homogeneous is uniform throughout and can't see all ingredients
While sitting in your house, you notice that there are particles of dust floating in the air. These particles of dust that are suspended in the air are an example of a(n) ____.
Aerosol
You pour two different types of cereal into one bowl. Is this an example of a mixture or a solution? Explain.
This is an example of a mixture because the two cereals are combined, but not chemically. You can still see both cereals.
True or False - Mixtures can be separated easily.
True
True or False - Salad, trail mix, fruit mix, and cereal are not solutions.
True
What is the best way to separate a mixture of sand and iron filings?
Use a magnet to attract the iron filings.
Name some examples of mixtures
fruit salad, gumballs, garden salad, trail mix
Heterogeneous Mixture
has parts that are not uniformly mixed together
Homogenous Mixture
has parts that are uniformly mixed throughout
Mixtures that have parts that are not uniformly mixed together are called ___________ mixtures.
heterogeneous
Mixture
physical combination of 2 or more substances that do not combine chemically
A teacher told a student to separate the following things
salad, apples and oranges, salt with water, iron fillings with sawdust, hot chocolate. What are most of these?: mixtures
Hot chocolate and ocean water are examples of what?
solutions
Name some examples of solutions
sugar and vinegar, milk, coffee
Name some things that are soluble in water
sugar, powder
Solute
the minor component in a solution
What is the best way to separate salt and water?
Let the water evaporate
What is the scientific name for the ingredient that dissolves in a solution?
Solvent
Colloid
a heterogeneous mixture in which the parts are so small that they do not settle out
Suspension
a heterogeneous mixture that looks like it is the same throughout
Solution
a liquid mixture in which the solute is uniformly distributed within the solvent
Solvent
able to dissolve other substances
Compound
is a substance formed when two or more chemical elements are chemically bonded together