What is a solution?
A mixture in which substances are spread out evenly and do not settle at the bottom of the container.
What is a mixture?
Two or more substance are combined, but they do not change into something new
Mixtures and Solutions are the same thing.
False
What does the word Soluble mean?
It means something can be dissolved in liquid.
What are the States of Matter?
Solid, Liquid, and Gas
Give two examples of a Solution.
Answer Varies
Give two examples of a Mixture.
Answers Vary
Solutions can be easily separated.
False
What does Insoluble mean?
It means something cannot be dissolved in liquid.
What is Matter?
Anything that has mass and takes up space.
What are two examples of mixtures that are NOT solutions?
Answers vary. (Trail mix, sand and water, iron filings and sand, etc.)
What does the Law of Conservation of Matter say?
Matter cannot be created or destroyed
Mixtures can be easily seperated.
True
What is a Solute?
The substance that is dissolved in a solution.
What is a state of matter in which the substance has a definite volume but takes the shape of the container?
Liquid
We have 100g of salt in 200g of water. We evaporate the water. How much salt is left over?
100g
We have a mixture of iron filings and sand. How could we separate the two solids?
Use a magnet to attract all the iron pieces.
All solutions are mixtures, but not all mixtures are solutions. Explain your reasoning.
True
A substance that in which other substances dissolve is called...
a solvent
What is Volume?
The amount of space an object takes up.
Is lemonade a mixture, solution, or neither?
A solution: all substances are evenly mixed
How can we identify methods to separate substances in a mixture?
By their physical properties (mass, volume, magnetism, solubility, states of matter, density)
All solutions are liquids
False, gas and solids can also be solutions.
What type of change is baking cookies?
Chemical Change
What is freezing point and boiling point?
Freezing point is the temperature when a liquid turns into a solid. Boiling point is the temperature when a liquid turns into a gas.