What is a solution?
A type of mixture that has the same composition throughout, and is very hard to separate
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 me two examples of a Solution.
Answer Varies
Give me 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
The ability of a substance to be able to dissolve in liquid is known as what?
Solubility
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 Density?
The ability of an object to float due to the amount of matter it has.
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 is all matter made of?
Particles that are too small to be seen
What word means, the physical property of attracting certain metals?
Magnetism