Made up of two or more elements
What are Mixtures?
What are the two parts of a solution?
Solute and Solvent
What is organized, constantly vibrating and close together?
The particles in a solid
How would you describe sugar in water?
Soluble.
What is purposely changed in an experiment?
the independent variable.
Sugar, salt and distilled water
What are pure substances?
How would you describe oil in water?
An insoluble solution.
What allows particles to mix together and form a solution?
Their attraction.
What are two ways to speed up dissolving?
Heating, stirring/shaking, crushing solute or adding more solvent.
What would be the best method to separate a mixture of raisins and peanuts? Filtration, sorting, evaporation or, using a sieve?
Sorting
Apple juice, 14K Gold, coffee
What are Solutions?
After stirring a package of drink crystals into water and there remains bits of powder at the bottom of the glass, what do you have?
A saturated solution.
By fitting into the spaces between the solvents is describing what?
How a solute dissolves.
What is the mass of the solute(g)/100 mL of Solvent
Concentration calculations
What's the best method to separate a mechanical mixture that has solid and liquid parts?
Using a Sieve.
Chocolate chip cookies, pizza, cereal in milk.
What are Mechanical Mixtures?
1/2 teaspoon of drink crystals mixed with 10 cups of water is...
A dilute solution.
Which state of matter's volume doesn't remain constant?
Gas
True or false. You can make a solution concentrated by adding less solute.
False
What is the larger part of the solution?
The Solvent.
Where do elements come from?
The periodic table.
The measure of how strong a solution is
Concentration.
True or false. Particles in a gas vibrate.
True.
A solution is also called what?
Homogeneous.
In a hot chocolate mixture, name the solute and solvent.
Solute= chocolate mix/powder
Solvent = milk/water