Who am I?
Mixed Up
That solves the problem
Deep Water
Patience
100
A physical or chemical change in matter.
What is a transformation?
100
Made up of two or more substances that can be distinguished just by looking at them.
What is a heterogeneous mixture?
100
Is a homogeneous mixture in which one or more substances are dissolved in another substance.
What is a solution?
100
A solution with water as the solvent.
What is an aqueous solution?
100
Involves letting the liquid component of the mixture evaporate at room temperature. Then the solids can be collected.
What is evaporation?
200
A transformation that doesn’t change the nature or characteristic properties of matter.
What is a physical change?
200
Alfred Bernhard Nobel made this in 1867.
What is dynamite?
200
The solid, liquid or gas that is being dissolve.
What is the solute?
200
Allows us to separate the components in a heterogenous mixture using gravity.
What is decantation?
200
Oil particles repel water. They have this property which means "fear of water".
What is hydrophobic?
300
These types of changes do not produce any new substances.
What are physical changes?
300
Made up of two or more substances that cannot be distinguished just by looking at them.
What is a homogeneous mixture?
300
The solid, liquid or gas that the solute is being dissolved in.
What is the solvent?
300
The mixture is spun in the centrifuge at very high speeds. Once separated, the layers can then be carefully poured off.
What is centrifugation?
300
The two main components of the solution that makes the ocean.
What are salt and water?
400
Melting ice is an excample of this kind of transformation.
What is a physical change or physical transformation?
400
Air is a homogeneous mixture made of many gases. These two gases make up most of the air.
What are nitrogen (78%) and oxygen (21%)?
400
Stainless steel is an alloy formed by combining these elements.
What are iron, chrome, nickel and carbon.
400
Involves running a mixture through a sieve that has holes of a certain size.
What is sieving?
400
Milk is a homogeneous mixture or solution.
What is a homogeneous mixture?
500
The result of a physical change that happens when two or more substances are combined.
What is a mixture?
500
Only has one type of particle.
What is a pure substance?
500
When metals are combined it is called this.
What is an alloy?
500
Involves running a mixture through a filter.
What is filtration?
500
An example of this type of mixture:
What is a heterogeneous mixture?
600
The phases present in this mixture.
What are a solid phase (cereal) and liquid phase (milk)?
600
The phases found in this mixture.
What are two solid phases?
600
The phase(s) found in this medium.
What is one phase, the liquid phase?
600
The type of mixture.
What is an alloy?
600
The universal solvent?
What is water?
700
Baking pizza is this type of a change.
What is a chemical change?
700
Identify the type of mixture:
What is heterogeneous?
700
Identify the solvent in this solution.
What is water?
700
Identify the main solute in this solution.
What is sugar?
700
How the hospital seperates the components of your blood.
What is centrifugarion?