Mixtures
Different materials are placed together, but each material keeps its own properties.
What is a solution?
A mixture in which substances are spread out evenly and do not settle on the bottom.
Can the components of a solution be easily separated?
No
Freezing water in an ice tray.
Physical.
Matter with a definite volume but no definite shape is a...
Liquid
A group of students put iron fillings in a sand jar. They shook it up. What did the students make?
What is a solute?
The substance that is dissolved in a solution.
What is a part of mixture or solution called?
A component.
Breaking a pencil in half.
Physical
A change in some properties of matter that does not change what the substance is made of.
Physical Change
Harry places four pieces of ice in a glass of water for a demonstration. Ice water is or is not a solution?
Is not. The parts are easy to separate and they keep their own properties.
What is a solvent?
The substance in which the solute is being dissolved.
Is a smoothie a mixture or solution?
Solution
Smashing a bug.
Physical
The scientific law that in any physical or chemical change, the total mass of the matter does not change
The law of Conservation of Matter
My bowl of M&M's, sprinkles, and chocolate chips is an example of a __________.
Mixture.
Why is Chex Mix not a solution?
It has clear separate parts with their own properties.
If Tim mixed together two substances: Nuts with a mass of 150 g and bolts with a mass of 300 g, what is the total mass of the mixture?
450 g
The leaves of a tree changing from green to brown in the Fall.
Chemical
A process in which new kind of matter forms
Chemical Change
Is orange juice with pulp a mixture or a solution?
Mixture
Sarah mixes some sugar into her coffee. She stirs the coffee until she can no longer see the sugar particles. What happened to the sugar as Sarah stirs?
The sugar particles and water particles become evenly spread out. They are a solution.
Can a solution consist of more than 2 components? Explain.
Yes, they just have to be evenly mixed.
When gasoline in an engine combusts (burns) to create exhuast.
Chemical
The process in which one more more substances change into one or more different substances.
Chemical Reaction