| Mixtures | Solutions | Concentration of Solutions | Suspensions and Colloids | Cranes 101 |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
A combination of two of more substances that are NOT chemically combined is a(n)
A combination of two of more substances that are NOT chemically combined is a(n)
mixture
Mixtures are separated through __________ changes.
Mixtures are separated through __________ changes.
physical
When two or more materials combine chemically they form a(n) ___________.
When two or more materials combine chemically they form a(n) ___________.
compound
All solutions are __________, but not all of these are solutions.
All solutions are __________, but not all of these are solutions.
mixtures
List three methods to physically separate a mixture.
List three methods to physically separate a mixture.
Evaporation, filtering, magnet, distillation, or centrifuge
Which of the following is NOT true of solutions? a. The contain a dissolved substance called a solute. b. They are composed of two or more evenly distributed substances. c. They appear to be more than one substance
Which of the following is NOT true of solutions? a. The contain a dissolved substance called a solute. b. They are composed of two or more evenly distributed substances. c. They appear to be more than one substance
C. They appear to be more than one substance.
In a solution, the ________ is the substance that is dissolved.
In a solution, the ________ is the substance that is dissolved.
solute
In a solution, the _______ is the substance in which it is dissolved.
In a solution, the _______ is the substance in which it is dissolved.
solvent
When two gases or two liquids form a solution, the substance that is present in the largest amount is the __________.
When two gases or two liquids form a solution, the substance that is present in the largest amount is the __________.
solvent
Salt is ______ in water because it dissolves in water.
Salt is ______ in water because it dissolves in water.
soluble
A measure of the amount of solute dissolved in a solvent is called ____________.
A measure of the amount of solute dissolved in a solvent is called ____________.
concentration
The ability of a solute to dissolve in a solvent at a certain temperature and pressure is called ___________.
The ability of a solute to dissolve in a solvent at a certain temperature and pressure is called ___________.
solubility
In our Dominade/Sodium Chloride experiment, which cup(s) had the highest concentration?
In our Dominade/Sodium Chloride experiment, which cup(s) had the highest concentration?
cup 8 because all four scoops of Dominade dissolved in 10 drops of water.
Solubility of solids in liquids tends to __________ with an increase in temperature.
Solubility of solids in liquids tends to __________ with an increase in temperature.
increase
In our Dominade/Sodium Chloride experiment, which cup(s) had the lowest concentration?
In our Dominade/Sodium Chloride experiment, which cup(s) had the lowest concentration?
cups 1 and 4 because 1 scoop of each solute dissolved in 10 drops of water.
Which of the following does NOT describe a suspension? a. particles are soluble b. particles separate out over time. c. particles can block light d. particles scatter light
Which of the following does NOT describe a suspension? a. particles are soluble b. particles separate out over time. c. particles can block light d. particles scatter light
A. particles are soluble
A mixture of two or more uniformly dispersed substances is called a ________.
A mixture of two or more uniformly dispersed substances is called a ________.
solution
A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or a gas is called a ___________.
A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or a gas is called a ___________.
suspension
A mixture of particles that are large enough to scatter light but are not heavy enough to settle out is called a _____________.
A mixture of particles that are large enough to scatter light but are not heavy enough to settle out is called a _____________.
colloid
Give two examples of colloids.
Give two examples of colloids.
What city in south central Nebraska did Mrs. Parrish visit last weekend to see a large bird migration?
What city in south central Nebraska did Mrs. Parrish visit last weekend to see a large bird migration?
Kearney
What is the common name of the large bird most likely to be seen in Nebraska during the large migration?
What is the common name of the large bird most likely to be seen in Nebraska during the large migration?
Sandhill crane
What river did Mrs. Parrish visit last weekend to see the large bird migration?
What river did Mrs. Parrish visit last weekend to see the large bird migration?
The Platte River
Sandhill cranes ___________ to communicate, socialize, and blow off steam.
Sandhill cranes ___________ to communicate, socialize, and blow off steam.
dance
What is the genus and species name of the lesser sandhill crane?
What is the genus and species name of the lesser sandhill crane?
Grus Canadensis
On what day will Shannon turn two?
On what day will Shannon turn two?
March 31
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